Shirin R. Sukumar, M.D.
Geriatric Medicine (Internal Medicine) Physician · Portland, OR
Shirin R. Sukumar, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Portland, Oregon, and NPI 1245278993, issued on Jun 3, 2006. Check the license (Oregon MD23728, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Shirin R. Sukumar
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- MD23728 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1200 NW 23RD Ave, Portland, OR 97210
- Phone
- (503) 413-7074
- Enumerated
- Jun 3, 2006
- Record last updated
- Aug 27, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (503) 413-6769
- Medicare enrollment
- Enrolled (PECOS I20040517000023); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 67 in Oregon → Look up another NPI →
Also registered at 1200 NW 23RD Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allison Abraham, D.O.Internal Medicine Physician1831488444
- Hannah Bachrach, DOInternal Medicine Physician1518593409
- Aman Bagla, D.O.Internal Medicine Physician1467771188
- Nicolette Bottesini, DOInternal Medicine Physician1114554037
- Kelly CarrierInternal Medicine Physician1144757311
- Brandon DaoStudent in an Organized Health Care Education/Training Program1831848431
Verify Shirin R. Sukumar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD23728Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
612 Medicare Part D claims for 138 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Memantine Hcl176 claims
- Donepezil Hcl127 claims
- Sertraline Hcl59 claims
- Mirtazapine58 claims
- Quetiapine Fumarate52 claims
- Risperidone25 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): 86 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).
Bills Medicare through one group practice
- Legacy Clinics LLCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shirin R. Sukumar among 67 geriatric medicine (internal medicine) physician records in Oregon
Shirin R. Sukumar, M.D. is one of 67 geriatric medicine (internal medicine) physician records with a practice address in Oregon. 61% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 40% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 36% of these records are
- Graduated1994 · median 2007 among the 24 with a school on file
- Record last updated2007 · 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 207RG0300X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Oregon
There are 67 geriatric medicine (internal medicine) physician records in Oregon.
All 67 in Oregon → Every provider in Portland → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Patrick Fitzgerald, M.D.Portland, OR 972101487753331
- Arthur Hayward, MDPortland, OR 972101013020171
- Dawn Miller, MDPortland, OR 972101801337258
- Carolyn Minter, MDPortland, OR 972101710307608
- Patricia Newton, M.D.Portland, OR 972101992765408
- Preston Peterson, MDPortland, OR 972101245201508
- Sally Rosenfeld, M.D.Portland, OR 972101396831947
- Annabelle Sammis, M.D.Portland, OR 972101588792568
Common questions
What is Shirin R. Sukumar, M.D.'s NPI number?
Shirin R. Sukumar, M.D.'s National Provider Identifier (NPI) is 1245278993, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shirin R. Sukumar, M.D. located?
The NPPES record lists a practice address at 1200 NW 23RD Ave, Portland, OR, 97210. Phone: (503) 413-7074. Providers update this record themselves, so call before visiting.
How can I verify Shirin R. Sukumar, M.D.'s license?
NPPES lists Oregon license number MD23728, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Shirin R. Sukumar, M.D. prescribe under Medicare Part D?
In 2024, Shirin R. Sukumar, M.D. had 612 Medicare Part D claims for 138 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Shirin R. Sukumar, M.D.'s MIPS final score?
The 2023 MIPS final score is 86 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.