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JACK SANFORD NADLER M.D.
NPI 1164511051
Family Medicine in Lake Isabella, CA

Active since October 11, 2006PECOS Enrolled
4300 BIRCH STREET, LAKE ISABELLA, CA 93240(760) 379-1791 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Jack Sanford Nadler M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JACK SANFORD NADLER M.D. (NPI 1164511051) is an individual family medicine provider in Lake Isabella, California, licensed in California (AO63717) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164511051
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameJACK SANFORD NADLERCredential: M.D.
Location Address4300 BIRCH STREETLake Isabella, CA 93240
Mailing AddressPo Box 91Kernville, CA 93238-0091 · (760) 417-2691
Phone(760) 379-1791
Sole ProprietorYes
Enumeration DateOctober 11, 2006
Last NPPES UpdateFebruary 11, 2022
✔ NPI 1164511051 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · AO63717
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
4300 BIRCH STREET, Lake Isabella, CA 93240
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jack Sanford Nadler M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Jack Nadler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
230 mi
Internal Medicine
7373 WEST LANE
Stockton, CA 95210
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1548343510 (209) 476-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93240 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$91.09 typical visit price
range $59.26 – $178.09
Typical copayment $22.77 (range $14.81 – $44.52)
Most-billed visit code 99203
Established Patient
$104.09 typical visit price
range $19.34 – $145.64
Typical copayment $26.02 (range $4.83 – $36.41)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. SAMANTHA ANN MONGAR DO
Internal Medicine
4300 BIRCH STREET
LAKE ISABELLA, CA 93240
Kern County (760) 379-1791
KERN VALLEY HEALTHCARE DISTRICT
Clinic/Center (Rural Health)
4300 BIRCH STREET
MT MESA, CA 93240
Kern County (760) 379-1791
KERN VALLEY HEALTHCARE DISTRICT
Clinic/Center (Rural Health)
4300 BIRCH STREET
LAKE ISABELLA, CA 93240
Kern County (760) 379-1791
LINDA DIANNE BLOCK MFT
Marriage & Family Therapist
4300 BIRCH STREET
LAKE ISABELLA, CA 93240
Kern County (310) 871-8795

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jack Nadler's NPI number?

The NPI number for Jack Nadler is 1164511051. It was assigned to this individual provider in the NPPES registry on October 11, 2006.

Where is Jack Nadler located?

Jack Nadler practices at 4300 Birch Street, Lake Isabella, CA 93240. The listed phone number is (760) 379-1791.

What is Jack Nadler's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Jack Nadler enrolled in Medicare?

Yes. Jack Nadler is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jack Nadler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jack Nadler reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jack Nadler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jack Nadler was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.