Gregory Tsushima, M.D.
Surgery of the Hand (Surgery) Physician · Los Angeles, CA
Gregory Tsushima, M.D. is a surgery of the hand (surgery) physician with a practice address in Los Angeles, California, and NPI 1033122254, issued on Aug 15, 2006. Check the license (California A62277, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Tsushima
- Credential
- M.D.
- Primary taxonomy
- Surgery of the Hand (Surgery) Physician 2086S0105X
- License number
- A62277 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8635 W 3RD St, Los Angeles, CA 90048
- Phone
- (310) 967-1884
- Enumerated
- Aug 15, 2006
- Record last updated
- Aug 13, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (310) 967-1744
- Medicare enrollment
- Enrolled (PECOS I20091203000497); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgery of the hand (surgery) physician records → All 39 in California → Look up another NPI →
Also registered at 8635 W 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rodrigo Alban, M.D.Surgical Critical Care Physician1023192663
- Kimberly Alva, NPAcute Care Nurse Practitioner1659583607
- Alagappan Annamalai, M.D.Surgery Physician1215182910
- Alenoush Aramian, PHARM.D., BCPSPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1891163614
- Roy Artal, M.D.Pulmonary Disease Physician1720169972
- Guita Balakhane, M.D.,Nephrology Physician1326027806
Verify Gregory Tsushima in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A62277Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average surgery of the hand (surgery) physician in 2024
83 Medicare Part D claims for 74 beneficiaries, against an average of 188 among the 346 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 78 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen69 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 practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $70.00
1 payment: travel and lodging; the largest payer was Intuitive Surgical, Inc. The 296 providers of this specialty with any payment received $4,725.83 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 FoundationLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Tsushima among 39 surgery of the hand (surgery) physician records in California
Gregory Tsushima, M.D. is one of 39 surgery of the hand (surgery) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1995 · median 2000 among the 29 with a school on file
- Record last updated2014 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0105X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery of the Hand (Surgery) Physician providers in California
There are 39 surgery of the hand (surgery) physician records in California.
All 39 in California → Every provider in Los Angeles → Surgery of the Hand (Surgery) Physician nationwide →
The 8 surgery of the hand (surgery) physician records with the nearest ZIP codes
- Bradford Edgerton, MDLos Angeles, CA 900341902954795
- Dong-Joon Lee, MDLos Angeles, CA 900341578623740
- Touraj Touran, MDLos Angeles, CA 900341376610279
- Todd Theman, M.D.Los Angeles, CA 900951346481256
- Michael Feldman, MDBeverly Hills, CA 902111285657478
- Eric Larson, M.D.Santa Monica, CA 904041487016432
- Christopher Katcherian, MDLa Mirada, CA 906381316106685
- Emily Perez, M.D.La Mirada, CA 906381790072718
Common questions
What is Gregory Tsushima, M.D.'s NPI number?
Gregory Tsushima, M.D.'s National Provider Identifier (NPI) is 1033122254, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Tsushima, M.D. located?
The NPPES record lists a practice address at 8635 W 3RD St, Los Angeles, CA, 90048. Phone: (310) 967-1884. Providers update this record themselves, so call before visiting.
How can I verify Gregory Tsushima, M.D.'s license?
NPPES lists California license number A62277, 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 Tsushima, M.D. prescribe under Medicare Part D?
In 2024, Gregory Tsushima, M.D. had 83 Medicare Part D claims for 74 beneficiaries; the average among surgery of the hand (surgery) physician prescribers was 188. Part D covers Medicare prescriptions only.
What is Gregory Tsushima, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.7 of 100, reported for the practice group. 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.