Registry data as of Aug 27, 2026

Mohammad Arain, M.D.

Internal Medicine Physician · Santa Maria, CA

Mohammad Arain, M.D. is an internal medicine physician with a practice address in Santa Maria, California, and NPI 1639167158, 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
1639167158
Name
Mohammad Arain
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
1505 Shepard Dr, Santa Maria, CA 93454
Phone
(805) 928-2645
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 1505 Shepard Dr

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

  1. David Cottrell, D.D.S.Pediatric Dentistry1457353922
  2. Mudit Dabral, MDPulmonary Disease Physician1477623585
  3. Eric Kirk, D.D.S.General Practice Dentistry1154499838
  4. Stacy Poole, DMDOrthodontics and Dentofacial Orthopedics Dentistry1699920389
  5. Kishor Popat, M. D.Specialist1245370105
  6. Benita Young, MDPediatric Adolescent Medicine Physician1013006949

Verify Mohammad Arain 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 →

3.3 times the Medicare Part D claims of the average internal medicine physician in 2024

9,181 Medicare Part D claims for 484 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 336 claims were for opioids.

  1. Mohammad Arain9,181
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium537 claims
  2. Amlodipine Besylate458 claims
  3. Diclofenac Sodium347 claims
  4. Levothyroxine Sodium283 claims
  5. Metformin Hcl257 claims
  6. Benazepril Hcl255 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: $200.95

11 payments, mostly food and beverage; the largest payer was Pfizer Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mohammad Arain$200.95
  2. Specialty average$2,536.66

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.

33 internal medicine physician records list a Santa Maria practice address

They are 33 of the 3,047 NPPES records with a Santa Maria practice address, and 20,403 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Mohammad Arain, M.D.'s NPI number?

Mohammad Arain, M.D.'s National Provider Identifier (NPI) is 1639167158, issued on Oct 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mohammad Arain, M.D. located?

The NPPES record lists a practice address at 1505 Shepard Dr, Santa Maria, CA, 93454. Phone: (805) 928-2645. Providers update this record themselves, so call before visiting.

How can I verify Mohammad Arain, M.D.'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 Mohammad Arain, M.D. prescribe under Medicare Part D?

In 2024, Mohammad Arain, M.D. had 9,181 Medicare Part D claims for 484 beneficiaries; the average among internal medicine physician prescribers was 2,785. 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.