Geetha Narayan, MD
Nephrology Physician · Napa, CA
Geetha Narayan, MD is a nephrology physician with a practice address in Napa, California, and NPI 1386625754, issued on Nov 10, 2005. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Geetha Narayan
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 43466 MA
Self-reported in NPPES; status is on the state search - Practice location
- 3230 Beard RD, Napa, CA 94558
- Phone
- (707) 253-7005
- Enumerated
- Nov 10, 2005
- Record last updated
- Jan 15, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (707) 253-7271
- Medicare enrollment
- Enrolled (PECOS I20150911000679); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 3230 Beard RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laurel Antonucci, LCSWClinical Social Worker1346263761
- Edwin Chiu, M.D.Nephrology Physician1659392223
- Melissa Datu, APNAdult Health Nurse Practitioner1144572876
- George Friedman, MDFamily Medicine Physician1477647212
- Stephen Gugenheim, M.D.Plastic Surgery within the Head & Neck (Otolaryngology) Physician1174501340
- Nagarathna Manjappa, MDNephrology Physician1710093349
Verify Geetha Narayan 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
99% fewer Medicare Part D claims than the average nephrology physician in 2024
17 Medicare Part D claims, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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): 82.4 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
- Nagarathna G Manjappa M D IncNapa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geetha Narayan among 1,468 nephrology physician records in California
Geetha Narayan, MD is one of 1,468 nephrology 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, 90% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1974 · median 2001 among the 1,128 with a school on file
- Record last updated2016 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Napa → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Serena Bhela, M.D.Napa, CA 945581275873812
- Edwin Chiu, M.D.Napa, CA 945581659392223
- Nagarathna Manjappa, MDNapa, CA 945581710093349
- Thomas Paukert, M.D.Napa, CA 945581013989540
- Trixie Lorraine Pei, MDNapa, CA 945581538664669
- Jonathan Segal, MDMartinez, CA 945531780666164
- Archana Aggarwal, M.D.Castro Valley 94546, CA 945461326024084
- Gene-Yuan Chang, MDCastro Valley, CA 945461467731828
Common questions
What is Geetha Narayan, MD's NPI number?
Geetha Narayan, MD's National Provider Identifier (NPI) is 1386625754, issued on Nov 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Geetha Narayan, MD located?
The NPPES record lists a practice address at 3230 Beard RD, Napa, CA, 94558. Phone: (707) 253-7005. Providers update this record themselves, so call before visiting.
How can I verify Geetha Narayan, MD'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 Geetha Narayan, MD prescribe under Medicare Part D?
In 2024, Geetha Narayan, MD had 17 Medicare Part D claims; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Geetha Narayan, MD's MIPS final score?
The 2023 MIPS final score is 82.4 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.