Maryam Shahamfar, MD
Nephrology Physician · San Diego, CA
Maryam Shahamfar, MD is a nephrology physician with a practice address in San Diego, California, and NPI 1194354944, issued on Apr 3, 2020. Check the license (California A183299, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maryam Shahamfar
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A183299 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8885 Rio San Diego Dr Ste 212, San Diego, CA 92108
- Phone
- (619) 299-2350
- Enumerated
- Apr 3, 2020
- Record last updated
- Jun 15, 2026
- Fax
- (619) 297-8379
- Medicare enrollment
- Enrolled (PECOS I20250721001435); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 8885 Rio San Diego Dr Ste 212
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angelica Camargo- Lowthers, NPNurse Practitioner1912982539
- Jason Davis, MDNephrology Physician1295911469
- Maple Fung, M.D.Nephrology Physician1316901101
- John Hammes, M.D.Nephrology Physician1891766994
- Viet Nguyen, M.D.Nephrology Physician1184019051
- Yan Zhong, M.D.Nephrology Physician1467683540
Verify Maryam Shahamfar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A183299Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $91.28
1 payment: food and beverage; the largest payer was Calliditas Therapeutics US Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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
- Balboa Nephrology Medical Group IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maryam Shahamfar among 1,468 nephrology physician records in California
Maryam Shahamfar, 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 2020, is newer than 97% of them.
- NPI issued2020 · 97% of these records are older, 1% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2017 · median 2001 among the 1,128 with a school on file
- Record last updated2026 · 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 San Diego → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Jason Davis, MDSan Diego, CA 921081295911469
- Maple Fung, M.D.San Diego, CA 921081316901101
- John Hammes, M.D.San Diego, CA 921081891766994
- Viet Nguyen, M.D.San Diego, CA 921081184019051
- Yan Zhong, M.D.San Diego, CA 921081467683540
- Shaunak Rana, M.D.San Diego, CA 921091205046182
- Ambarish Athavale, MDSan Diego, CA 921031255647145
- Dinna Cruz, M.D.San Diego, CA 921031659624732
Common questions
What is Maryam Shahamfar, MD's NPI number?
Maryam Shahamfar, MD's National Provider Identifier (NPI) is 1194354944, issued on Apr 3, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Maryam Shahamfar, MD located?
The NPPES record lists a practice address at 8885 Rio San Diego Dr Ste 212, San Diego, CA, 92108. Phone: (619) 299-2350. Providers update this record themselves, so call before visiting.
How can I verify Maryam Shahamfar, MD's license?
NPPES lists California license number A183299, 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.
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.