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TANJEEN CHOWDHURY M.D.
NPI 1790786960
Internal Medicine in St Clair Shores, MI

Active since August 10, 2005PECOS Enrolled
25319 LITTLE MACK AVE, ST CLAIR SHORES, MI 48081(586) 447-4000(586) 447-4009 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Tanjeen Chowdhury M.d. NPPES

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

TANJEEN CHOWDHURY M.D. (NPI 1790786960) is an individual internal medicine provider in St Clair Shores, Michigan, licensed in Michigan (4301073037) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790786960
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameTANJEEN CHOWDHURYCredential: M.D.
Location Address25319 LITTLE MACK AVESt Clair Shores, MI 48081-3370
Mailing AddressPo Box 77000, Department 771036,Detroit, MI 48277-2000 · (586) 447-4171 · Fax (586) 447-4180
Phone(586) 447-4000
Fax(586) 447-4009
Sole ProprietorNo
Enumeration DateAugust 10, 2005
Last NPPES UpdateJuly 21, 2022
✔ NPI 1790786960 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 4301073037
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.
25319 LITTLE MACK AVE, St Clair Shores, MI 48081
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Other Identifiers 1

Medicaid442092MI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

State Of Michigan Office Of Financial Management
27 mi
Psychiatric Hospital
18471 HAGGERTY RD
Northville, MI 48168
  • Reassigned Medicare billing, Michigan enrollment
  • 96 clinicians in this Medicare group
NPI 1508883299 (248) 369-2300

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 48081 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
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 5

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

WAFAA S. HANNA M.D.
Internal Medicine
25319 LITTLE MACK AVE
ST CLAIR SHORES, MI 48081
Macomb County (586) 447-4000
LYLA J LEIPZIG M.D.
Internal Medicine
25319 LITTLE MACK AVE
ST CLAIR SHORES, MI 48081
Macomb County (586) 447-4000
TIFFANY ANN BRUCKNER D.O.
Pediatrics
25319 LITTLE MACK AVE
SAINT CLAIR SHORES, MI 48081
Macomb County (586) 443-4950
DR. KEVIN J GRADY M.D.
Internal Medicine (Pulmonary Disease)
25319 LITTLE MACK AVE
SAINT CLAIR SHORES, MI 48081
Macomb County (586) 772-5550
MARIE F ABIRAGI M.D.
Internal Medicine
25319 LITTLE MACK AVE
ST CLAIR SHORES, MI 48081
Macomb County (586) 447-4000

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 Tanjeen Chowdhury's NPI number?

The NPI number for Tanjeen Chowdhury is 1790786960. It was assigned to this individual provider in the NPPES registry on August 10, 2005.

Where is Tanjeen Chowdhury located?

Tanjeen Chowdhury practices at 25319 Little Mack Ave, St Clair Shores, MI 48081. The listed phone number is (586) 447-4000.

What is Tanjeen Chowdhury's specialty?

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

Is Tanjeen Chowdhury enrolled in Medicare?

Yes. Tanjeen Chowdhury is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Tanjeen Chowdhury's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tanjeen Chowdhury reassigns Medicare benefits to State Of Michigan Office Of Financial Management (Northville, MI). 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 Tanjeen Chowdhury'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 Tanjeen Chowdhury was last updated on July 21, 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.