DR. GREGORY J ADAMSON M.D.
NPI 1972590610
Orthopaedic Surgery in Pasadena, CA

Q: What is Gregory Adamson's NPI number?

The NPI number for Gregory Adamson is 1972590610. It was assigned to this individual provider in the NPPES registry on September 27, 2005.

Q: What is Gregory Adamson's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Adamson was last updated on January 26, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 27, 2005PECOS EnrolledAccepts Medicare Assignment

76.6/100

CMS Quality Rating

800 S RAYMOND AVE, PASADENA, CA 91105(626) 795-8051(626) 795-0356 Get Directions Write a Review

NPPES record last updated: January 26, 2009. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Dr. Gregory J Adamson M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY J ADAMSON M.D. (NPI 1972590610) is an individual orthopaedic surgery provider in Pasadena, California, licensed in California (G58923) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1981).

NPPES Registry Identity

NPI1972590610

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameDR. GREGORY J ADAMSONCredential: M.D.

Location Address800 S RAYMOND AVEPasadena, CA 91105-3229

Mailing AddressPo Box 90730Pasadena, CA 91109-0730 · (626) 795-8051 · Fax (626) 795-0356

Phone(626) 795-8051

Fax(626) 795-0356

Sole ProprietorYes

Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1981

Enumeration DateSeptember 27, 2005

Last NPPES UpdateJanuary 26, 2009

✔ NPI 1972590610 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

License✔ Licensed in CA · G58923

Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

800 S RAYMOND AVE, Pasadena, CA 91105

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Other Identifiers 4

Other200011897CA · Rail Road Medicare

Medicare UPINE02869CA

Medicare PINWG58923DCA

OtherG58923CA · Medicare Individual Id

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory J Adamson M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5991790198

PECOS Enrollment IDI20040420001782

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

238 services146 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

213 services172 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

139 services117 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

121 services38 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

113 services101 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

97 services50 patients

X-ray of both knees while standing 73565

An X-ray of both knees while standing is a diagnostic procedure that captures images of your knee joints. You'll stand in front of an X-ray machine, and it will take pictures showing the bones and tissues in your knees. This helps doctors identify any abnormalities or injuries.

86 services85 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

66 services66 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

49 services43 patients

X-ray of both collar bones joints 73050

An X-ray of both collar bone joints is a simple, painless procedure that uses radiation to create images of these areas. It helps doctors diagnose or monitor conditions such as fractures, infections, or arthritis. You'll need to remove any jewelry and may wear a gown. The X-ray machine will be positioned over your collar bones, and you'll need to stay still for a few moments while the images are taken.

32 services31 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

29 services29 patients

X-ray of elbow, minimum of 3 views 73080

An elbow X-ray with a minimum of 3 views is a non-invasive imaging test. It helps visualize the bones of the elbow from different angles. This aids in diagnosing conditions like fractures or arthritis. The procedure is quick, painless, and usually takes around 15 minutes.

15 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.6/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

77.49

Promoting Interoperability

100

Improvement Activities

Cost

44.52

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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