David A. Grundy, MD
Emergency Medicine Physician · Santa Rosa, CA
David A. Grundy, MD is an emergency medicine physician with a practice address in Santa Rosa, California, and NPI 1902845597, issued on Jun 6, 2006. Check the license (California C55843, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David A. Grundy
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- C55843 CA
35076862 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1165 Montgomery Dr, Santa Rosa, CA 95405
- Phone
- (707) 546-3210
- Enumerated
- Jun 6, 2006
- Record last updated
- Mar 26, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 2350343 OH
- Medicare enrollment
- Enrolled (PECOS I20150903000258); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1165 Montgomery Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maryam Aghighi, MDAnatomic Pathology & Clinical Pathology Physician1073074977
- Johnathan Agil, MDEmergency Medicine Physician1700413002
- Katherine Aldrich, NPAdult Health Nurse Practitioner1194995563
- Mujeeb Altaf, MBBS.,MRCP(UK)Hospitalist Physician1316125941
- Rebecca Althoff, RNFARegistered Nurse First Assistant1427119668
- Sanyogeeta Bhaway, M.D.Internal Medicine Physician1275828162
Verify David A. Grundy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C55843Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average emergency medicine physician in 2024
19 Medicare Part D claims for 15 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $28.52
1 payment: food and beverage; the largest payer was Calliditas Therapeutics US Inc. The 12,335 providers of this specialty with any payment received $953.79 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 2 group practices
- Erx Plus Professional CorporationMariposa, CA
- Premier Health PartnersSun Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David A. Grundy among 7,751 emergency medicine physician records in California
David A. Grundy, 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. 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
- Graduated1998 · median 2011 among the 4,560 with a school on file
- Record last updated2016 · 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 Santa Rosa → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Thomas Elgin, M.D.Santa Rosa, CA 954051912948480
- Omar Ferrari, D.O.Santa Rosa, CA 954051861589186
- David Giannetto, MDSanta Rosa, CA 954051881717155
- Stewart Lauterbach, M.D.Santa Rosa, CA 954051992746481
- Stephen Levinson, M.D.Santa Rosa, CA 954051144261637
- Daniel Matulich, M.D.Santa Rosa, CA 954051043254600
- Gary Mc Calla, M.D.Santa Rosa, CA 954051669416285
- James Mc Keith, M.D.Santa Rosa, CA 954051033153267
Common questions
What is David A. Grundy, MD's NPI number?
David A. Grundy, MD's National Provider Identifier (NPI) is 1902845597, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David A. Grundy, MD located?
The NPPES record lists a practice address at 1165 Montgomery Dr, Santa Rosa, CA, 95405. Phone: (707) 546-3210. Providers update this record themselves, so call before visiting.
How can I verify David A. Grundy, MD's license?
NPPES lists California license number C55843, 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 David A. Grundy, MD prescribe under Medicare Part D?
In 2024, David A. Grundy, MD had 19 Medicare Part D claims for 15 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.