NPPES file of Aug 9, 2026

Steven Suchman, M.D.

Family Medicine Physician · Thousand Oaks, CA

Steven Suchman, M.D. is a family medicine physician with a practice address in Thousand Oaks, California, and NPI 1639122351, issued on May 17, 2006. Check the license (California A64923, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639122351
Name
Steven Suchman
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A64923 CA
Self-reported in NPPES; status is on the state search
Practice location
77 Rolling Oaks Dr, Thousand Oaks, CA 91361
Phone
(805) 379-9975
Enumerated
May 17, 2006
Record last updated
Feb 9, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(805) 379-9975
Medicare enrollment
Enrolled (PECOS I20110531000233); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 1995
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 77 Rolling Oaks Dr

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

  1. Aimee Kvandal, FNPRegistered Nurse1467045229
  2. Celso Ross-Araujo, DDSDentist1477793255

Verify Steven Suchman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A64923
    Check 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.

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47% fewer Medicare Part D claims than the average family medicine physician in 2024

1,872 Medicare Part D claims for 105 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 64 claims were for opioids.

  1. Steven Suchman1,872
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium132 claims
  2. Celecoxib91 claims
  3. Pantoprazole Sodium65 claims
  4. Rosuvastatin Calcium55 claims
  5. Amlodipine Besylate47 claims
  6. Prednisone40 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.

Steven Suchman among 17,133 family medicine physician records in California

Steven Suchman, M.D. is one of 17,133 family 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1995 · median 2005 among the 10,652 with a school on file
  • Record last updated2013 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

39 family medicine physician records list a practice address in Thousand Oaks

They are 39 of the 2,434 NPPES records with a practice address in Thousand Oaks, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Irina Feldman, M.D.Thousand Oaks, CA 913611417919721
  2. Alicia Guevara, M.D.Thousand Oaks, CA 913611629295217
  3. David Gunn, MDWestlake Village, CA 913611215163035
  4. Bader Iqbal, M.D.Thousand Oaks, CA 913611346254364
  5. Chelsey Kahanowitch, D.O.Westlake Village, CA 913611750743530
  6. Razmig Krumian, D.O.Westlake Village, CA 913611720064462
  7. Darrick Lee, D.O.Westlake Village, CA 913611811424682
  8. Amy Lin, M.D.Westlake Village, CA 913611770511081

Common questions

What is Steven Suchman, M.D.'s NPI number?

Steven Suchman, M.D.'s National Provider Identifier (NPI) is 1639122351, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steven Suchman, M.D. located?

The NPPES record lists a practice address at 77 Rolling Oaks Dr, Thousand Oaks, CA, 91361. Phone: (805) 379-9975. Providers update this record themselves, so call before visiting.

How can I verify Steven Suchman, M.D.'s license?

NPPES lists California license number A64923, 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 Steven Suchman, M.D. prescribe under Medicare Part D?

In 2024, Steven Suchman, M.D. had 1,872 Medicare Part D claims for 105 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.