Registry data as of Aug 27, 2026

John Okerblom, MD

Family Medicine Physician · Santa Maria, CA

John Okerblom, MD is a family medicine physician with a practice address in Santa Maria, California, and NPI 1427046945, issued on Oct 10, 2005. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1427046945
Name
John Okerblom
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
Practice location
915 E Stowell RD Ste B, Santa Maria, CA 93454
Phone
(805) 938-7444
Enumerated
Oct 10, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 915 E Stowell RD Ste B

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Delise McEwen, FNP-CRegistered Nurse1750190815
  2. Jaydeen Morris, PA-CPhysician Assistant1972079382

Verify John Okerblom in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

2.6 times the Medicare Part D claims of the average family medicine physician in 2024

9,325 Medicare Part D claims for 451 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 424 claims were for opioids.

  1. John Okerblom9,325
  2. Specialty average3,519

Most prescribed

  1. Rosuvastatin Calcium683 claims
  2. Ezetimibe661 claims
  3. Atorvastatin Calcium466 claims
  4. Metoprolol Succinate362 claims
  5. Hydrocodone-Acetaminophen290 claims
  6. Amlodipine Besylate269 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: $1,928.26

106 payments, mostly food and beverage; the largest payer was Amgen Inc.. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Okerblom$1,928.26
  2. Specialty average$861.30

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Central Coast Family Care Medical Associates IncSanta Maria, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

73 family medicine physician records list a Santa Maria practice address

They are 73 of the 3,047 NPPES records with a Santa Maria practice address, and 16,272 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is John Okerblom, MD's NPI number?

John Okerblom, MD's National Provider Identifier (NPI) is 1427046945, issued on Oct 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Okerblom, MD located?

The NPPES record lists a practice address at 915 E Stowell RD Ste B, Santa Maria, CA, 93454. Phone: (805) 938-7444. Providers update this record themselves, so call before visiting.

How can I verify John Okerblom, MD's license?

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 John Okerblom, MD prescribe under Medicare Part D?

In 2024, John Okerblom, MD had 9,325 Medicare Part D claims for 451 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.