DR. JENNIFER MAH MD
NPI 1811316979
Internal Medicine in Baldwin Park, CA

Active since April 15, 2014PECOS EnrolledAccepts Medicare Assignment
1011 BALDWIN PARK BLVD, BALDWIN PARK, CA 91706(833) 574-2273 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 30, 2021, May 13, 2020 (2 updates tracked since 2020).

About Dr. Jennifer Mah Md NPPES

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

DR. JENNIFER MAH MD (NPI 1811316979) is an individual internal medicine provider in Baldwin Park, California, licensed in California (A139905) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS and is a graduate of University Of Pittsburgh School Of Medicine (2014).

NPPES Registry Identity

NPI1811316979
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. JENNIFER MAHCredential: MD
Location Address1011 BALDWIN PARK BLVDBaldwin Park, CA 91706-5806
Mailing Address1011 Baldwin Park BlvdBaldwin Park, CA 91706-5806
Sole ProprietorNo
Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 2014
Enumeration DateApril 15, 2014
Last NPPES UpdateNovember 30, 20212 updates tracked since enumeration
NPPES CertifiedMay 13, 2020
NPI 1811316979 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · A139905
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1011 BALDWIN PARK BLVD, Baldwin Park, CA 91706

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Jennifer Mah Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7618272154
PECOS Enrollment IDI20171030003503
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91706 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 20

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

Hospitalist
1011 BALDWIN PARK BLVD, 4 EAST HOSPITALIST OFFICE
BALDWIN PARK, CA 91706
Respiratory Therapist, Registered
1011 BALDWIN PARK BLVD
BALDWIN PARK, CA 91706
Family Medicine
1011 BALDWIN PARK BLVD
BALDWIN PARK, CA 91706
Emergency Medicine
1011 BALDWIN PARK BLVD
BALDWIN PARK, CA 91706
Pediatrics
1011 BALDWIN PARK BLVD
BALDWIN PARK, CA 91706
Family Medicine
1011 BALDWIN PARK BLVD
BALDWIN PARK, CA 91706
Physical Medicine & Rehabilitation
1011 BALDWIN PARK BLVD
BALDWIN PARK, CA 91706
Physician Assistant
1011 BALDWIN PARK BLVD
BALDWIN PARK, CA 91706

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 Jennifer Mah's NPI number?

The NPI number for Jennifer Mah is 1811316979. It was assigned to this individual provider in the NPPES registry on April 15, 2014.

Where is Jennifer Mah located?

Jennifer Mah practices at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706. The listed phone number is (833) 574-2273.

What is Jennifer Mah's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jennifer Mah enrolled in Medicare?

Yes. Jennifer Mah is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Jennifer Mah was last updated on November 30, 2021. 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.