Jack Sanford Nadler, M.D.
Family Medicine Physician · Lake Isabella, CA
Jack Sanford Nadler, M.D. is a family medicine physician with a practice address in Lake Isabella, California, and NPI 1164511051, issued on Oct 11, 2006. Check the license (California AO63717, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jack Sanford Nadler
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- AO63717 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4300 Birch Street, Lake Isabella, CA 93240
- Phone
- (760) 379-1791
- Enumerated
- Oct 11, 2006
- Record last updated
- Feb 11, 2022
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 4300 Birch Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Linda Block, MFTMarriage & Family Therapist1992971188
- Samantha Mongar, DOCritical Care Medicine (Internal Medicine) Physician1235115015
Verify Jack Sanford Nadler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license AO63717Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% more Medicare Part D claims than the average family medicine physician in 2024
6,604 Medicare Part D claims for 718 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 274 claims were for opioids.
Most prescribed
- Atorvastatin Calcium747 claims
- Levothyroxine Sodium278 claims
- Tamsulosin Hcl216 claims
- Lisinopril215 claims
- Losartan Potassium215 claims
- Amlodipine Besylate167 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.
Jack Sanford Nadler among 17,133 family medicine physician records in California
Jack Sanford Nadler, 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 fileNo · 62% of these records are
- Record last updated2022 · 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).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Lake Isabella → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Rabia Anees, M.D.Lamont, CA 932411215673298
- Marlowe Marinas, MDLamont, CA 932411316146335
- Tana Parker, MDLamont, CA 932411033553466
- John GrantLebec, CA 932431235249012
- Svetlana Grinberg, DOLebec, CA 932431396146486
- Robert Martinez, M.D.Lebec, CA 932431376790527
- Willie Ewing, M.D.Lemoore, CA 932451912954835
- Christopher Garcia, D.OLemoore, CA 932451386864072
Common questions
What is Jack Sanford Nadler, M.D.'s NPI number?
Jack Sanford Nadler, M.D.'s National Provider Identifier (NPI) is 1164511051, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jack Sanford Nadler, M.D. located?
The NPPES record lists a practice address at 4300 Birch Street, Lake Isabella, CA, 93240. Phone: (760) 379-1791. Providers update this record themselves, so call before visiting.
How can I verify Jack Sanford Nadler, M.D.'s license?
NPPES lists California license number AO63717, 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 Jack Sanford Nadler, M.D. prescribe under Medicare Part D?
In 2024, Jack Sanford Nadler, M.D. had 6,604 Medicare Part D claims for 718 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.