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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TABSSUM MOHAMAD EJAZ CHAUHAN MD
NPI 1598455370
Internal Medicine - Hematology & Oncology in Royal Oak, MI

Active since May 15, 2023PECOS Enrolled
3577 W 13 MILE RD STE 101, ROYAL OAK, MI 48073(248) 551-8651 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Tabssum Mohamad Ejaz Chauhan Md NPPES

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

TABSSUM MOHAMAD EJAZ CHAUHAN MD (NPI 1598455370) is an individual hematology & oncology provider in Royal Oak, Michigan, licensed in Michigan (4301518009) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598455370
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameTABSSUM MOHAMAD EJAZ CHAUHANCredential: MD
Location Address3577 W 13 MILE RD STE 101Royal Oak, MI 48073-6710
Mailing Address3577 W 13 Mile Rd Ste 101Royal Oak, MI 48073-6710 · (248) 551-8651
Phone(248) 551-8651
Sole ProprietorYes
Enumeration DateMay 15, 2023
Last NPPES UpdateJune 22, 2026
NPPES CertifiedJune 22, 2026
✔ NPI 1598455370 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in MI · 4301518009
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License 4351051216 (MI)
3577 W 13 MILE RD STE 101, Royal Oak, MI 48073
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tabssum Mohamad Ejaz Chauhan Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48073 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
$177.36 typical visit price
range $58.04 – $177.36
Typical copayment $44.34 (range $14.51 – $44.34)
Most-billed visit code 99205
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

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

SARAH LYNN RAWSKI PA-C
Physician Assistant (Medical)
3577 W 13 MILE RD STE 101
ROYAL OAK, MI 48073
Oakland County (248) 551-8651

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 Tabssum Chauhan's NPI number?

The NPI number for Tabssum Chauhan is 1598455370. It was assigned to this individual provider in the NPPES registry on May 15, 2023.

Where is Tabssum Chauhan located?

Tabssum Chauhan practices at 3577 W 13 Mile Rd Ste 101, Royal Oak, MI 48073. The listed phone number is (248) 551-8651.

What is Tabssum Chauhan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Tabssum Chauhan enrolled in Medicare?

Yes. Tabssum Chauhan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Tabssum Chauhan was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 59 days 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.