Ramin Khashayar, MD
Critical Care Medicine (Internal Medicine) Physician · Walnut Creek, CA
Ramin Khashayar, MD is a critical care medicine (internal medicine) physician with a practice address in Walnut Creek, California, and NPI 1003801358, issued on Sep 13, 2005. Check the license (California G077458, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ramin Khashayar
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- G077458 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 8, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (925) 939-3057
- Medicare enrollment
- Enrolled (PECOS I20040709001288); may accept Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- 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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- Sahar Berjis, RDRegistered Dietitian1306182258
- Timothy Carlton, MDInterventional Cardiology Physician1689772360
- Paige Carmichael, MFTMarriage & Family Therapist1427501915
- Lee Embrey, PH.D.Marriage & Family Therapist1790900850
- Nader Kamangar, MDCritical Care Medicine (Internal Medicine) Physician1922093285
Verify Ramin Khashayar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G077458Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average critical care medicine (internal medicine) physician in 2024
2,101 Medicare Part D claims for 346 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.
Most prescribed
- Trelegy Ellipta466 claims
- Albuterol Sulfate Hfa305 claims
- Azithromycin134 claims
- Montelukast Sodium122 claims
- Prednisone119 claims
- Anoro Ellipta116 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): 99.9 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).
Industry payments in 2024: $1,107.40
23 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, 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.
Bills Medicare through 3 group practices
- John Muir Physician NetworkBerkeley, CA
- John Muir Trauma Physicians Billing ServiceWalnut Creek, CA
- Muir Pulmonary Critical CareWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ramin Khashayar among 723 critical care medicine (internal medicine) physician records in California
Ramin Khashayar, 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 fileYes · 77% of these records are
- Graduated1992 · median 2005 among the 559 with a school on file
- Record last updated2013 · 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
- Nader Kamangar, MDWalnut Creek, CA 945981922093285
- 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 Ramin Khashayar, MD's NPI number?
Ramin Khashayar, MD's National Provider Identifier (NPI) is 1003801358, issued on Sep 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ramin Khashayar, 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 Ramin Khashayar, MD's license?
NPPES lists California license number G077458, 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 Ramin Khashayar, MD prescribe under Medicare Part D?
In 2024, Ramin Khashayar, MD had 2,101 Medicare Part D claims for 346 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is Ramin Khashayar, MD's MIPS final score?
The 2023 MIPS final score is 99.9 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.