Agathon Girgis, M.D.
Hospitalist Physician · Walnut Creek, CA
Agathon Girgis, M.D. is a hospitalist physician with a practice address in Walnut Creek, California, and NPI 1568840635, issued on May 11, 2015. Check the license (California 153179, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Agathon Girgis
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 153179 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1425 S Main St, Walnut Creek, CA 94596
- Phone
- (925) 295-4000
- Enumerated
- May 11, 2015
- Record last updated
- Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 1425 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric AaserudeEmergency Medicine Physician1811491194
- Derek Abbassi, MDObstetrics & Gynecology Physician1841364155
- Peter Ackerman, MDEmergency Medicine Physician1427435023
- Aaron Mark Acosta, DOEmergency Medicine Physician1538789987
- Basil Adad, MDOtolaryngology Physician1487732574
- Derek Ailes, M.D.Emergency Medical Services (Emergency Medicine) Physician1992001804
Verify Agathon Girgis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 153179Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.6 times the Medicare Part D claims of the average hospitalist physician in 2024
3,440 Medicare Part D claims for 227 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 52 claims were for opioids.
Most prescribed
- Atorvastatin Calcium259 claims
- Furosemide153 claims
- Levothyroxine Sodium116 claims
- Amlodipine Besylate107 claims
- Gabapentin103 claims
- Losartan Potassium95 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.
Industry payments in 2024: $32.38
1 payment: food and beverage; the largest payer was Shionogi Inc. The 7,324 providers of this specialty with any payment received $494.84 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.
Agathon Girgis among 3,099 hospitalist physician records in California
Agathon Girgis, M.D. is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 66% of them.
- NPI issued2015 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileNo · 81% of these records are
- Record last updated2021 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
68 hospitalist physician records list a practice address in Walnut Creek
They are 68 of the 6,170 NPPES records with a practice address in Walnut Creek, and 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Walnut Creek → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Anna Bavykina, MDWalnut Creek, CA 945961467530535
- Michael Fein, MDWalnut Creek, CA 945961942388046
- Prathibha Gubbi Ravishankar, MDWalnut Creek, CA 945961528146693
- Ravinder Gupta, MDWalnut Creek, CA 945961649358714
- Brent Levenfeld, MDWalnut Creek, CA 945961154409233
- Tsao-Yu Liang, MDWalnut Creek, CA 945961053499137
- Ramon Ortiz, MDWalnut Creek, CA 945961376621433
- Peter Rowe, M.D.Walnut Creek, CA 945961700831922
Common questions
What is Agathon Girgis, M.D.'s NPI number?
Agathon Girgis, M.D.'s National Provider Identifier (NPI) is 1568840635, issued on May 11, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Agathon Girgis, M.D. located?
The NPPES record lists a practice address at 1425 S Main St, Walnut Creek, CA, 94596. Phone: (925) 295-4000. Providers update this record themselves, so call before visiting.
How can I verify Agathon Girgis, M.D.'s license?
NPPES lists California license number 153179, 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 Agathon Girgis, M.D. prescribe under Medicare Part D?
In 2024, Agathon Girgis, M.D. had 3,440 Medicare Part D claims for 227 beneficiaries; the average among hospitalist physician prescribers was 521. 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.