1. Home
  2. Directory
  3. California
  4. Sacramento
  5. Internal Medicine
  6. NPI Profile

TAHIR MAHMOOD
NPI 1447879184
Internal Medicine in Sacramento, CA

Active since April 13, 2020PECOS Enrolled
4150 V ST # 1100, SACRAMENTO, CA 95817(916) 734-2737 Get Directions Write a Review

NPPES record last updated: October 8, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 8, 2024, Mar 29, 2021, Apr 13, 2020 (3 updates tracked since 2020).

About Tahir Mahmood NPPES

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

TAHIR MAHMOOD (NPI 1447879184) is an individual internal medicine provider in Sacramento, California, licensed in California (A182133) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447879184
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameTAHIR MAHMOOD
Location Address4150 V ST # 1100Sacramento, CA 95817-1460
Mailing Address4150 V St # 1100Sacramento, CA 95817-1460 · (916) 734-2737
Phone(916) 734-2737
Sole ProprietorYes
Enumeration DateApril 13, 2020
Last NPPES UpdateOctober 8, 20243 updates tracked since enumeration
NPPES CertifiedOctober 8, 2024
✔ NPI 1447879184 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 · A182133
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.
4150 V ST # 1100, Sacramento, CA 95817
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tahir Mahmood 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 Tahir Mahmood reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The Univ Of Ca
Same address
Maternal & Fetal Medicine
4860 Y ST
Sacramento, CA 95817
  • Reassigned Medicare billing, California enrollment
  • 2,570 clinicians in this Medicare group
NPI 1013906973 (916) 734-6930

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 95817 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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.

DANIELLE ZEZOFF
Internal Medicine
4150 V ST # 1100
SACRAMENTO, CA 95817
Sacramento County (916) 734-2737
NINA LIU
Student in an Organized Health Care Education/Training Program
4150 V ST # 1100
SACRAMENTO, CA 95817
Sacramento County (916) 734-2737
DR. DAVID DAIWEI WANG MD
Student in an Organized Health Care Education/Training Program
4150 V ST # 1100
SACRAMENTO, CA 95817
Sacramento County (916) 734-2737
CONAN S LIU
Internal Medicine
4150 V ST # 1100
SACRAMENTO, CA 95817
Sacramento County (916) 734-2737
MR. OMAR ESCOBEDO MD
Internal Medicine
4150 V ST # 1100
SACRAMENTO, CA 95817
Sacramento County (916) 734-2737
KELSEY WONG DO
Student in an Organized Health Care Education/Training Program
4150 V ST # 1100
SACRAMENTO, CA 95817
Sacramento County (916) 734-2737
LINDSAY E VALENTI
Student in an Organized Health Care Education/Training Program
4150 V ST # 1100
SACRAMENTO, CA 95817
Sacramento County (916) 734-2737
DR. ASHLEY MEGAN FELDKAMP MD
Internal Medicine (Rheumatology)
4150 V ST # 1100
SACRAMENTO, CA 95817
Sacramento County (916) 734-2737

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 Tahir Mahmood's NPI number?

The NPI number for Tahir Mahmood is 1447879184. It was assigned to this individual provider in the NPPES registry on April 13, 2020.

Where is Tahir Mahmood located?

Tahir Mahmood practices at 4150 V St # 1100, Sacramento, CA 95817. The listed phone number is (916) 734-2737.

What is Tahir Mahmood's specialty?

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

Is Tahir Mahmood enrolled in Medicare?

Yes. Tahir Mahmood is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Tahir Mahmood's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tahir Mahmood reassigns Medicare benefits to Regents Of The Univ Of Ca (Sacramento, 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 Tahir Mahmood'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 Tahir Mahmood was last updated on October 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.