Harry S. Simms, MD
Emergency Medicine Physician · Sebastopol, CA
Harry S. Simms, MD is an emergency medicine physician with a practice address in Sebastopol, California, and NPI 1447388343, issued on Mar 1, 2007. Check the license (California G30706, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Harry S. Simms
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G30706 CA
Self-reported in NPPES; status is on the state search - Practice location
- 652 Petaluma Ave Ste H, Sebastopol, CA 95472
- Phone
- (707) 823-3166
- Enumerated
- Mar 1, 2007
- Record last updated
- Jun 25, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (707) 869-5983
- Medicaid IDs
- 1861809501 CA
00G307060 CA - Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 652 Petaluma Ave Ste H
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dana Levandoski, LCSWClinical Social Worker1760761464
- Katherine Miller, FNP-CFamily Nurse Practitioner1346812914
- Shannon Ottens, LCSWClinical Social Worker1740064229
- Phoebe Smith, M.D.Family Medicine Physician1396241147
- Anita Vasudevan, MDFamily Medicine Physician1487281218
Verify Harry S. Simms in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G30706Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Harry S. Simms among 7,751 emergency medicine physician records in California
Harry S. Simms, MD 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 not. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 50% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2015 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,751 in California → Every provider in Sebastopol → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Michele Borgeson, MDSebastopol, CA 954721396700936
- Jorge Gonzalez, M.D.Sebastopol, CA 954721457575706
- Erick French, MDSonoma, CA 954761649206806
- Jay Goldberg, MDSonoma, CA 954761225141971
- Leslie Graham, M.D.Sonoma, CA 954761841463346
- Stephen Kahn, MDSonoma, CA 954761962515262
- William Keyser, MDSonoma, CA 954761306859194
- Robert Petty, DOSonoma, CA 954761497795496
Common questions
What is Harry S. Simms, MD's NPI number?
Harry S. Simms, MD's National Provider Identifier (NPI) is 1447388343, issued on Mar 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Harry S. Simms, MD located?
The NPPES record lists a practice address at 652 Petaluma Ave Ste H, Sebastopol, CA, 95472. Phone: (707) 823-3166. Providers update this record themselves, so call before visiting.
How can I verify Harry S. Simms, MD's license?
NPPES lists California license number G30706, 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. 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.