Gregory D. Northrop, MD
Sports Medicine (Orthopaedic Surgery) Physician · Pasadena, CA
Gregory D. Northrop, MD is a sports medicine (orthopaedic surgery) physician with a practice address in Pasadena, California, and NPI 1962404582, issued on Aug 12, 2005. Check the license (California A69737, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory D. Northrop
- Credential
- MD
- Primary taxonomy
- Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
- License number
- A69737 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2627 E Washington Blvd, Pasadena, CA 91107
- Phone
- (626) 797-2002
- Enumerated
- Aug 12, 2005
- Record last updated
- Jul 10, 2024
- Fax
- (626) 798-0567
- Medicaid ID
- 00A697370 CA
- Medicare enrollment
- Enrolled (PECOS I20050210000422); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1998
- Entity
- Type 1 · individual
8 nearest sports medicine (orthopaedic surgery) physician records → All 384 in California → Look up another NPI →
Also registered at 2627 E Washington Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Braden Criswell, M.D.Orthopaedic Foot and Ankle Surgery Physician1851568117
- Christine Hong, PAPhysician Assistant1215510052
- Daniel Laster, MDOrthopaedic Surgery Physician1457353062
- Virginia Mabasa, PAPhysician Assistant1922082924
- Amir Mostofi, MDOrthopaedic Hand Surgery Physician1518140268
- Jared Myers, D.OPain Medicine (Physical Medicine & Rehabilitation) Physician1750673638
Verify Gregory D. Northrop in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A69737Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average sports medicine (orthopaedic surgery) physician in 2024
811 Medicare Part D claims for 236 beneficiaries, against an average of 288 among the 2,562 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 338 claims were for opioids.
Most prescribed
- Oxycodone Hcl183 claims
- Celecoxib139 claims
- Hydrocodone-Acetaminophen72 claims
- Cefuroxime67 claims
- Tramadol Hcl63 claims
- Ibuprofen59 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 18.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $258.26
6 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 2,400 providers of this specialty with any payment received $19,779.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Cedars-Sinai Medical Care FoundationPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory D. Northrop among 384 sports medicine (orthopaedic surgery) physician records in California
Gregory D. Northrop, MD is one of 384 sports medicine (orthopaedic surgery) physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1998 · median 2003 among the 293 with a school on file
- Record last updated2024 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0005X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sports Medicine (Orthopaedic Surgery) Physician providers in California
There are 384 sports medicine (orthopaedic surgery) physician records in California.
All 384 in California → Every provider in Pasadena → Sports Medicine (Orthopaedic Surgery) Physician nationwide →
The 8 sports medicine (orthopaedic surgery) physician records with the nearest ZIP codes
- Swapnil Shah, MDPasadena, CA 911071427283878
- Aaron Gipsman, M.D.Pasadena, CA 911061669854923
- Gregory Adamson, M.D.Pasadena, CA 911051972590610
- Michael Fraipont, MDPasadena, CA 911051164418893
- Charles Long, MDPasadena, CA 911051780035220
- Raffy Mirzayan, MDLa Canada, CA 910111588731467
- Rishi Garg, M.D.Arcadia, CA 910071164642583
- Gregory Heinen, MDArcadia, CA 910071962447961
Common questions
What is Gregory D. Northrop, MD's NPI number?
Gregory D. Northrop, MD's National Provider Identifier (NPI) is 1962404582, issued on Aug 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory D. Northrop, MD located?
The NPPES record lists a practice address at 2627 E Washington Blvd, Pasadena, CA, 91107. Phone: (626) 797-2002. Providers update this record themselves, so call before visiting.
How can I verify Gregory D. Northrop, MD's license?
NPPES lists California license number A69737, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory D. Northrop, MD prescribe under Medicare Part D?
In 2024, Gregory D. Northrop, MD had 811 Medicare Part D claims for 236 beneficiaries; the average among sports medicine (orthopaedic surgery) physician prescribers was 288. Part D covers Medicare prescriptions only.
What is Gregory D. Northrop, MD's MIPS final score?
The 2023 MIPS final score is 18.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.