Nutan H. Poseria, M.D.
Internal Medicine Physician · San Jose, CA
Nutan H. Poseria, M.D. is an internal medicine physician with a practice address in San Jose, California, and NPI 1063587152, issued on Nov 22, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nutan H. Poseria
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35057469 OH
Self-reported in NPPES; status is on the state search - Practice location
- 2585 Samaritan Dr, San Jose, CA 95124
- Phone
- (408) 278-3003
- Enumerated
- Nov 22, 2006
- Record last updated
- Feb 5, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (408) 357-1265
- Medicaid ID
- 0743815 OH
- Medicare enrollment
- Enrolled (PECOS I20040216000678); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2585 Samaritan Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cynthia Cummings, M.D.Family Medicine Physician1831280791
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- Jim Hur, M.D.Obstetrics & Gynecology Physician1245336585
Verify Nutan H. Poseria in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% more Medicare Part D claims than the average internal medicine physician in 2024
4,737 Medicare Part D claims for 520 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 18 claims were for opioids.
Most prescribed
- Amlodipine Besylate358 claims
- Atorvastatin Calcium329 claims
- Metformin Hcl271 claims
- Losartan Potassium147 claims
- Levothyroxine Sodium145 claims
- Lisinopril134 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): 80.6 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
- County OF Santa ClaraMilpitas, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nutan H. Poseria among 17,696 internal medicine physician records in California
Nutan H. Poseria, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1980 · median 2004 among the 11,065 with a school on file
- Record last updated2014 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
428 internal medicine physician records list a practice address in San Jose
They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Jose → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Rekha Dharmaji, M.DSan Jose, CA 951241437211588
- Sunitha Gubbala, M.D.San Jose, CA 951241992761118
- Shabnam Husain, M.D.San Jose, CA 951241609987577
- Shahe Komshian, M.D.San Jose, CA 951241902917883
- Denise Massey, MDSan Jose, CA 951241487719118
Common questions
What is Nutan H. Poseria, M.D.'s NPI number?
Nutan H. Poseria, M.D.'s National Provider Identifier (NPI) is 1063587152, issued on Nov 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nutan H. Poseria, M.D. located?
The NPPES record lists a practice address at 2585 Samaritan Dr, San Jose, CA, 95124. Phone: (408) 278-3003. Providers update this record themselves, so call before visiting.
How can I verify Nutan H. Poseria, M.D.'s license?
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 Nutan H. Poseria, M.D. prescribe under Medicare Part D?
In 2024, Nutan H. Poseria, M.D. had 4,737 Medicare Part D claims for 520 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Nutan H. Poseria, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.6 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.