Stephen Herrick, D.O.
Hospitalist Physician · Santa Maria, CA
Stephen Herrick, D.O. is a hospitalist physician with a practice address in Santa Maria, California, and NPI 1588044549, issued on Jun 4, 2015. Check the license (California 20A15251, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephen Herrick
- Credential
- D.O.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 20A15251 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1400 E Church St, Santa Maria, CA 93454
- Phone
- (805) 739-3561
- Enumerated
- Jun 4, 2015
- Record last updated
- Sep 1, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180615001749); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 1400 E Church St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elena Agafonova, M.D.Internal Medicine Physician1558757666
- Alyse Andrade, RN IBCLCLactation Consultant (Registered Nurse)1104647403
- Steven Andrews, PAPhysician Assistant1083352397
- Andrea ArthoferStudent in an Organized Health Care Education/Training Program1225772973
- Hannah Barrows, PA-CPhysician Assistant1528747128
- Nader Batal, DOFamily Medicine Physician1740923135
Verify Stephen Herrick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A15251Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average hospitalist physician in 2024
211 Medicare Part D claims for 118 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Pantoprazole Sodium14 claims
- Furosemide11 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: $21.23
1 payment: food and beverage; the largest payer was Abbott Laboratories. 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.
Bills Medicare through one group practice
- Central Coast IN-Patient Consultants IncArroyo Grande, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Herrick among 3,099 hospitalist physician records in California
Stephen Herrick, D.O. 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 fileYes · 81% of these records are
- Graduated2015 · median 2010 among the 2,505 with a school on file
- Record last updated2020 · 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).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Santa Maria → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Alina Dalmendray, MDSanta Maria, CA 934541386654168
- Katie Julian, MDSanta Maria, CA 934541730205220
- Lisa Ryan, M.D.Santa Maria, CA 934541134157639
- Cristina Valero, MDSanta Maria, CA 934541467629931
- Diane Noyes, M.D.Templeton, CA 934651497738348
- Tammie Arnold, DOArroyo Grande, CA 934211669465878
- Ann Bollay, MDSan Luis Obispo, CA 934051487610333
- Ashlynn Gordon, D.O.San Luis Obispo, CA 934051255779641
Common questions
What is Stephen Herrick, D.O.'s NPI number?
Stephen Herrick, D.O.'s National Provider Identifier (NPI) is 1588044549, issued on Jun 4, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Herrick, D.O. located?
The NPPES record lists a practice address at 1400 E Church St, Santa Maria, CA, 93454. Phone: (805) 739-3561. Providers update this record themselves, so call before visiting.
How can I verify Stephen Herrick, D.O.'s license?
NPPES lists California license number 20A15251, 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 Stephen Herrick, D.O. prescribe under Medicare Part D?
In 2024, Stephen Herrick, D.O. had 211 Medicare Part D claims for 118 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.