Medical directors, physicians and therapists

Every clinical article on this site is written by one named clinician and reviewed by another, chosen for their specialty. Here is who they are and how to check each of them yourself.

How to verify a clinician

License. Look up the name or license number on the state board’s public lookup. Each profile below links to it.
NPI. An individual’s National Provider Identifier can be checked in the CMS NPI Registry. It should be listed as an individual, not an organization.
Board certification. Certification is confirmed with the certifying board, which is named on each profile.

Medical Director

Dr. Arnaldo Manuel Mora, MD

Medical Director & Head of Clinical Governance

Full legal name: Arnaldo Manuel Mora
Specialties: Internal medicine, Occupational medicine, Preventive medicine, Clinical toxicology and pharmacology, Regenerative protocol oversight
State license: Physician license, FL, no. 102149. Verify with the Florida Board of Medicine
NPI: 1043474901 in the CMS NPI Registry
Board certification and fellowship: None listed
Education: Doctor of Medicine (M.D.)
Articles: Reviewer: Regenerative sports medicine
Author: Peptide therapy: an overview
Author: Peptide safety and medical supervision
Reviewer: BPC-157 and orthopedic recovery
Reviewer: TB-500 and tissue repair
Reviewer: Growth hormone secretagogues
Author: Cellular regeneration biomarkers
Author: Physician consultation process
Reviewer: Workplace health
Reviewer: Emergency equipment for the office
Reviewer: Cold stress at work
Author: Drug and alcohol testing
Author: Alkaline water

Dr. Arnaldo Manuel Mora is Medical Director and leads clinical governance at Nova. His background is in internal and occupational medicine. He oversees diagnostic intake, baseline laboratory review and the safety standards that apply before any prescription therapy, including pharmacy sourcing and contraindication screening as described in our safety guide.

Full profile

Physician

Dr. Penni Melissa Russo-Going, MD

Senior Medical Director & Surgical Consultant

Full legal name: Penni Melissa Russo-Going
Specialties: Family medicine, General surgery, Trauma surgery, Musculoskeletal triage, Post-surgical tendon and joint recovery
State license: Physician license, TX, no. M0549. Verify with the Texas Medical Board
NPI: 1942282652 in the CMS NPI Registry
Board certification and fellowship: None listed
Education: Doctor of Medicine (M.D.)
Articles: Reviewer: Physical therapy with regenerative care
Author: TB-500 and tissue repair
Author: Rotator cuff rehab
Reviewer: ACL post-op rehab
Author: Growth hormone secretagogues
Reviewer: Cellular regeneration biomarkers
Author: Workplace first aid kits

Dr. Penni Russo-Going is a physician trained in family medicine and surgery, with a focus on trauma surgery. At Nova she advises on post-surgical tendon and joint recovery, soft-tissue trauma and the systemic and metabolic factors that affect healing, and she reviews content on those topics.

Full profile

Physician

Dr. Pelham Leonard Williams IV, MD

Regional Medical Director, Southeast (Atlanta)

Full legal name: Pelham Leonard Williams IV
Specialties: Family medicine, Sports medicine diagnostics, Occupational health and injury management
State license: Physician license, GA, no. 80973. Verify with the Georgia Composite Medical Board
NPI: 1629464870 in the CMS NPI Registry
Board certification and fellowship: None listed
Education: Doctor of Medicine (M.D.)
Articles: Reviewer: Achilles tendonitis hybrid rehab
Author: Workplace health
Author: Workplace ergonomics and injury prevention
Author: Emergency equipment for the office
Reviewer: Workplace first aid kits
Author: Cold stress at work
Reviewer: Drug and alcohol testing

Dr. Pelham Williams IV is Regional Medical Director for Nova’s Southeast region, based in Atlanta. His practice centers on the evaluation and non-operative management of musculoskeletal and work-related injuries, including acute joint injuries and repetitive-strain problems, and he reviews content on occupational injury and sports injury diagnosis.

Full profile

Physician

Dr. Michael D. Schreiber, DO

Attending Physician & Regional Medical Advisor

Full legal name: Michael D. Schreiber
Specialties: Osteopathic manipulative medicine, Family medicine, Musculoskeletal rehabilitation
State license: Physician license, WI, no. 54743-021. Verify with the Wisconsin Department of Safety and Professional Services
NPI: 1316046436 in the CMS NPI Registry
Board certification and fellowship: None listed
Education: Doctor of Osteopathic Medicine (D.O.), Midwestern University, Chicago College of Osteopathic Medicine, 1992
Articles: Author: Regenerative sports medicine
Reviewer: Physical therapy and sports rehabilitation
Reviewer: Peptide therapy: an overview
Reviewer: Peptide safety and medical supervision
Reviewer: Chronic tendinopathy
Reviewer: Rotator cuff rehab
Reviewer: Mechanotransduction and tissue healing
Reviewer: Physician consultation process
Author: Stretches to prevent lower back injuries
Reviewer: Alkaline water

Dr. Michael D. Schreiber is an osteopathic physician. He applies osteopathic principles to musculoskeletal diagnosis and rehabilitation, looking at the whole kinetic chain when judging how a joint or tendon problem developed, and advises on how physician care and physical therapy fit together. He is a graduate of the Chicago College of Osteopathic Medicine of Midwestern University, class of 1992.

Full profile

Physical therapist

Dr. Angel Dametrea Williams, PT, DPT, OCS, FAAOMPT

Director of Orthopaedic Rehabilitation & Biomechanical Recovery

Full legal name: Angel Dametrea Williams
Specialties: Physical therapy, Orthopaedic manual physical therapy, Sports injury rehabilitation, Mechanotransduction and soft-tissue remodeling
State license: Physical therapist license, GA, no. PT012751. Verify with the Georgia State Board of Physical Therapy
NPI: 1174844872 in the CMS NPI Registry
Board certification and fellowship: Board-Certified Orthopaedic Clinical Specialist (OCS), American Board of Physical Therapy Specialties (ABPTS)
Fellow of the American Academy of Orthopaedic Manual Physical Therapists (FAAOMPT)
Education: Doctor of Physical Therapy (DPT)
Articles: Author: Physical therapy and sports rehabilitation
Author: Physical therapy with regenerative care
Author: Chronic tendinopathy
Author: BPC-157 and orthopedic recovery
Author: ACL post-op rehab
Author: Mechanotransduction and tissue healing
Author: Achilles tendonitis hybrid rehab
Reviewer: Workplace ergonomics and injury prevention
Reviewer: Stretches to prevent lower back injuries

Dr. Angel Williams is a board-certified Orthopaedic Clinical Specialist and a Fellow of the American Academy of Orthopaedic Manual Physical Therapists. Dr. Williams has served as a supervising physical therapist at Nova and designs rehabilitation programs built on progressive loading, manual therapy and dry needling for tendon, ligament and post-surgical recovery. Where a physician prescribes a cellular therapy alongside rehabilitation, Dr. Williams builds the loading program that goes with it.

Full profile

Former clinical leadership

These physicians held clinical leadership roles at Nova in the past. They do not write or review current content.

Dr. Olubunmi Temitope Ogunleye, MD

Former Medical Director and Regional Medical Director, Nova Medical Centers

TX license no. N6545. Verify with the Texas Medical Board. NPI 1912228800

Clinical governance

Content is published under the Nova Clinical Governance & Quality Assurance Committee. A clinician writes each article within their own specialty, a second clinician reviews it, and any page that discusses peptides is reviewed by a physician. Physical therapists write about rehabilitation, loading and movement. Physicians write about diagnosis, laboratory work, safety screening and prescribing.

Browse the clinician profiles

Questions about a clinician’s credentials? Call 713-880-4400.