Nader Kamangar, MD
Critical Care Medicine (Internal Medicine) Physician · Walnut Creek, CA
Nader Kamangar, MD is a critical care medicine (internal medicine) physician with a practice address in Walnut Creek, California, and NPI 1922093285, issued on Sep 13, 2005. Check the license (California A66078, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nader Kamangar
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- A66078 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1399 Ygnacio Valley RD, Walnut Creek, CA 94598
- Phone
- (925) 939-3050
- Enumerated
- Sep 13, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (925) 939-3057
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →
Also registered at 1399 Ygnacio Valley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kathryn Kapoor, LCSWClinical Social Worker1922286582
Verify Nader Kamangar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A66078Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
15 Medicare Part D claims, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $394.57
15 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 2,708 providers of this specialty with any payment received $2,958.68 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.
Nader Kamangar among 723 critical care medicine (internal medicine) physician records in California
Nader Kamangar, MD is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% 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, 94% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in California
There are 723 critical care medicine (internal medicine) physician records in California.
All 723 in California → Every provider in Walnut Creek → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Eric Buadu, MDWalnut Creek, CA 945981316932965
- Michael Cohen, M.D.Walnut Creek, CA 945981205885779
- Aamir Faruqui, MDWalnut Creek, CA 945981184619447
- Ramin Khashayar, MDWalnut Creek, CA 945981003801358
- Kristina Kramer, M.D.Walnut Creek, CA 945981598714511
- Moussa Yazbeck, M.D.Walnut Creek, CA 945981760415855
- Gregory Anderson, MDWalnut Creek, CA 945961063590131
- Andrew Chu, M.D.Walnut Creek, CA 945961861816639
Common questions
What is Nader Kamangar, MD's NPI number?
Nader Kamangar, MD's National Provider Identifier (NPI) is 1922093285, issued on Sep 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nader Kamangar, MD located?
The NPPES record lists a practice address at 1399 Ygnacio Valley RD, Walnut Creek, CA, 94598. Phone: (925) 939-3050. Providers update this record themselves, so call before visiting.
How can I verify Nader Kamangar, MD's license?
NPPES lists California license number A66078, 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 Nader Kamangar, MD prescribe under Medicare Part D?
In 2024, Nader Kamangar, MD had 15 Medicare Part D claims; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
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.