Skip to main content

Gregory Adamson, M.D.

Orthopedic Surgery

PASADENA, CA

Share
626-795-8051

About

GREGORY ADAMSON, M.D. is an orthopedic surgery located at 800 S RAYMOND AVE in PASADENA, CA.

Gregory Adamson is one of 14 orthopedic providers listed in PASADENA, CA on AdvOrtho.

Practice at a glance

Gregory Adamson's most frequently billed Medicare service in 2024 was aspiration and/or injection of fluid from large joint for 50 Medicare patients.

Distinct procedures

1

Medicare patients

172

busiest single service

Care setting

100% office

mostly outpatient

Most-performed procedures, 2024

  • Aspiration and/or injection of fluid from large joint

    97

    50 patients · near the state median of 74

Accepts Medicare assignmentBilled Medicare as sports medicine in CA

Training and practice

Gregory Adamson has been in practice since 1981, after graduating from University of Southern California Keck School of Medicine.

  • Practices with David B. Hammer (117 clinicians)
  • Affiliated with Casa Colina Hospital, Glendale Adventist Medical Center and Huntington Hospital

Registry record

Registered subspecialty

Orthopedic Surgery - Sports Medicine
  • Licensed in California
  • Registered as a sole proprietor

Where this comes from

Procedure volumes:CMS Medicare Physician & Other Practitioners, 2024. Fee-for-service claims only, so they exclude privately insured, Medicare Advantage and pediatric patients - volume is not comparable across practices with different patient mixes. These are billing records, not outcomes.

Training and practice: CMS Doctors and Clinicians list. A graduation year is when training finished, not years of orthopedic experience or a board certification. Affiliations come from Medicare enrollment and may be incomplete.

Registry details: NPPES. Subspecialties are self-reported at registration, not a board certification.

Credentials: Doctor of Medicine (MD)

An MD degree indicates completion of a medical doctorate program focused on allopathic medicine. MDs complete four years of medical school followed by residency training in their chosen specialty. Orthopedic surgery residencies typically last five years and include extensive training in surgical and non-surgical treatment of musculoskeletal conditions.

Office Information

800 S RAYMOND AVE

PASADENA, CA 911053229

NPI: 1972590610

General Q&A

Ask a general question about conditions, procedures, or recovery. Not for personal medical advice or scheduling.

View Q&A

More orthopedic surgeons in PASADENA

Compare credentials and find the right specialist for your needs.

Browse PASADENA surgeons

Patient Reviews

Seen this provider?

Share your experience to help other patients.

Other Orthopedic Surgeons in PASADENA, CA

Profile information is sourced from the public CMS NPI Registry. Contact the office directly to confirm current availability and insurance acceptance. Providers can update this profile to reflect their current practice.

Is this your practice?

Claim this profile to add your photo, bio, specialties, insurance plans, and education. Verified profiles rank higher and receive more patient inquiries.

Claim This Profile

Plans from $59/month per provider. Cancel anytime.

Profile information is sourced from the public NPI Registry.

Request profile changes or removal

We process corrections (specialty, location, credentials) within a few business days. Full profile removal is reserved for retirement, license changes, identity theft, deceased providers, and court orders — reviewed individually within 30 days. Reviews and public NPI Registry data are not removed in response to disputed reviews; if a review violates our reviews policy, you may dispute it directly.