Warren Jason Wisnoff, DO
Internal Medicine Physician · Bakersfield, CA
Warren Jason Wisnoff, DO is an internal medicine physician with a practice address in Bakersfield, California, and NPI 1619956927, issued on Jan 13, 2006. Check the license (California 20A9093, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Warren Jason Wisnoff
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A9093 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7702 Meany Ave, Bakersfield, CA 93308
- Phone
- (661) 843-7830
- Enumerated
- Jan 13, 2006
- Record last updated
- Sep 1, 2023
- Fax
- (661) 843-7831
- Medicaid ID
- 00AX90930 CA
- Medicare enrollment
- Enrolled (PECOS I20050906001072); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 7702 Meany Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adam Klang, MDInternal Medicine Physician1386732246
Verify Warren Jason Wisnoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9093Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average internal medicine physician in 2024
798 Medicare Part D claims for 173 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Levothyroxine Sodium52 claims
- Amlodipine Besylate41 claims
- Gabapentin34 claims
- Tamsulosin Hcl33 claims
- Losartan Potassium31 claims
- Fluticasone Propionate28 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $315.69
10 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 3 group practices
- Apex Medical Clinics PCBakersfield, CA
- Kern County Hospital AuthorityBakersfield, CA
- Todd Farrer, M.D., Inc.Bakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Warren Jason Wisnoff among 17,696 internal medicine physician records in California
Warren Jason Wisnoff, DO is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1998 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
214 internal medicine physician records list a practice address in Bakersfield
They are 214 of the 11,539 NPPES records with a practice address in Bakersfield, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Bakersfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Baker, M.D.Bakersfield, CA 933081720040793
- Cameron Chang, M.D.Bakersfield, CA 933081659504330
- Henry Chien, M.D.Bakersfield, CA 933081922530864
- Maria David, MDBakersfield, CA 933081780775007
- Kyle Heber, M.D.Bakersfield, CA 933081811384787
- Sasank IsolaBakersfield, CA 933081598247223
- Arun Keni, MDBakersfield, CA 933081427050871
- Adam Klang, MDBakersfield, CA 933081386732246
Common questions
What is Warren Jason Wisnoff, DO's NPI number?
Warren Jason Wisnoff, DO's National Provider Identifier (NPI) is 1619956927, issued on Jan 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Warren Jason Wisnoff, DO located?
The NPPES record lists a practice address at 7702 Meany Ave, Bakersfield, CA, 93308. Phone: (661) 843-7830. Providers update this record themselves, so call before visiting.
How can I verify Warren Jason Wisnoff, DO's license?
NPPES lists California license number 20A9093, 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 Warren Jason Wisnoff, DO prescribe under Medicare Part D?
In 2024, Warren Jason Wisnoff, DO had 798 Medicare Part D claims for 173 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Warren Jason Wisnoff, DO's MIPS final score?
The 2023 MIPS final score is 85.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.