Daniel John Bolster, M.D.
Emergency Medicine Physician · Woodland, CA
Daniel John Bolster, M.D. is an emergency medicine physician with a practice address in Woodland, California, and NPI 1861555732, issued on Dec 19, 2006. Check the license (California A50763, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Daniel John Bolster
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A50763 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1325 Cottonwood St, Woodland, CA 95695
- Phone
- (530) 662-3961
- Enumerated
- Dec 19, 2006
- Record last updated
- Jun 23, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (916) 419-5442
- Medicaid ID
- 00A507630 CA
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1325 Cottonwood St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mariam Ahmadzai, OTOccupational Therapist1225204019
- Thomas Ambrosini, NPNurse Practitioner1114067006
- Daniel Carter, DOEmergency Medicine Physician1902425713
- Natalie Delfin, ACSWSocial Worker1194158089
- Richard Gilgut, PA-CMedical Physician Assistant1285987909
- Jeffrey Heffernon, MDDiagnostic Radiology Physician1174625131
Verify Daniel John Bolster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A50763Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average emergency medicine physician in 2024
481 Medicare Part D claims for 267 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Naproxen48 claims
- Cefuroxime42 claims
- Ondansetron Odt41 claims
- Prednisone34 claims
- Famotidine28 claims
- Cephalexin26 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.
Daniel John Bolster among 7,751 emergency medicine physician records in California
Daniel John Bolster, 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 fileNo · 59% of these records are
- Record last updated2008 · 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 Woodland → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Rigoberto Barba, MDWoodland, CA 956951043221781
- Daniel Carter, DOWoodland, CA 956951902425713
- Jessica Chabot, M.D.Woodland, CA 956951871519603
- Sarah Courtney, DOVacaville, CA 956881528761020
- Maricel Romelia Dela CruzVacaville, CA 956881396004032
- Ian Doig, MDVacaville, CA 956881033850334
- Nathan Finch, MDVacaville, CA 956881578060547
- Melissa Gaspar, MDVacaville, CA 956881588291496
Common questions
What is Daniel John Bolster, M.D.'s NPI number?
Daniel John Bolster, M.D.'s National Provider Identifier (NPI) is 1861555732, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel John Bolster, M.D. located?
The NPPES record lists a practice address at 1325 Cottonwood St, Woodland, CA, 95695. Phone: (530) 662-3961. Providers update this record themselves, so call before visiting.
How can I verify Daniel John Bolster, M.D.'s license?
NPPES lists California license number A50763, 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 Daniel John Bolster, M.D. prescribe under Medicare Part D?
In 2024, Daniel John Bolster, M.D. had 481 Medicare Part D claims for 267 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.