Gregg Aaron Miller, M.D.
Emergency Medicine Physician · San Francisco, CA
Gregg Aaron Miller, M.D. is an emergency medicine physician with a practice address in San Francisco, California, and NPI 1386756807, issued on Aug 31, 2006. Check the license (California A90325, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregg Aaron Miller
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- A90325 CA
N7146 TX
Self-reported in NPPES; status is on the state search - Practice location
- 900 Hyde St, San Francisco, CA 94109
- Phone
- (415) 353-6613
- Enumerated
- Aug 31, 2006
- Record last updated
- Dec 12, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 00A903250 CA
- Medicare enrollment
- Enrolled (PECOS I20200302000675); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 900 Hyde St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregg Aaron Miller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A90325Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average emergency medicine physician in 2024
40 Medicare Part D claims for 34 beneficiaries, against an average of 226 among the 54,106 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.
Bills Medicare through one group practice
- Cep America LLCEl Paso, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregg Aaron Miller among 7,751 emergency medicine physician records in California
Gregg Aaron Miller, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2003 · median 2011 among the 4,560 with a school on file
- Record last updated2019 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in San Francisco → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Sherry Bird, MDSan Francisco, CA 941091245200336
- Reid Brackin, M.DSan Francisco, CA 941091538114004
- Lucia Chen-Luftig, M.D.San Francisco, CA 941091922022508
- Matthew Denny, M.D., M.P.H.San Francisco, CA 941091336283621
- Roel Farrales, MDSan Francisco, CA 941091821073198
- Corey Long, M.D.San Francisco, CA 941091841480159
- Richard Naidus, M.D.San Francisco, CA 941091972527455
- Patrick Noone, M.D.San Francisco, CA 941091104830116
Common questions
What is Gregg Aaron Miller, M.D.'s NPI number?
Gregg Aaron Miller, M.D.'s National Provider Identifier (NPI) is 1386756807, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregg Aaron Miller, M.D. located?
The NPPES record lists a practice address at 900 Hyde St, San Francisco, CA, 94109. Phone: (415) 353-6613. Providers update this record themselves, so call before visiting.
How can I verify Gregg Aaron Miller, M.D.'s license?
NPPES lists California license number A90325, 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 Gregg Aaron Miller, M.D. prescribe under Medicare Part D?
In 2024, Gregg Aaron Miller, M.D. had 40 Medicare Part D claims for 34 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.