1. Home
  2. Directory
  3. Michigan
  4. Mt Pleasant
  5. Internal Medicine
  6. NPI Profile

TANNU SAHAY M.D.
NPI 1962676254
Internal Medicine - Hematology & Oncology in Mt Pleasant, MI

Active since April 17, 2008PECOS EnrolledAccepts Medicare Assignment
77.89/100
CMS Quality Rating
4851 E PICKARD ST STE 2070, MT PLEASANT, MI 48858(989) 956-9107(989) 956-9165 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Sep 20, 2017 (2 updates tracked since 2017).

About Tannu Sahay M.d. NPPES

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

TANNU SAHAY M.D. (NPI 1962676254) is an individual hematology & oncology provider in Mt Pleasant, Michigan, licensed in Michigan (4301078597) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS, is affiliated with Mymichigan Medical Center Alma, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1962676254
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameTANNU SAHAYCredential: M.D.
Location Address4851 E PICKARD ST STE 2070Mt Pleasant, MI 48858-2039
Mailing Address4851 E Pickard St Ste 2070Mt Pleasant, MI 48858-2039 · (989) 956-9107 · Fax (989) 956-9165
Phone(989) 956-9107
Fax(989) 956-9165
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateApril 17, 2008
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1962676254 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 · 4301078597
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 4301078597 (MI)
4851 E PICKARD ST STE 2070, Mt Pleasant, MI 48858
Open in Google Maps ↗

Other Identifiers 1

Other1102911851MI · Bcbsm

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tannu Sahay M.d. 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 ID143393942
PECOS Enrollment IDI20080725000537
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 Tannu Sahay reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mymichigan Medical Center Alma
Same address
Nurse Practitioner
4851 E PICKARD ST
Mt Pleasant, MI 48858
  • Reassigned Medicare billing, Michigan enrollment
  • 258 clinicians in this Medicare group
NPI 1356570808 (989) 775-1601

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

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
698 services340 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
174 services109 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
102 services96 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
60 services60 patients
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211
This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.
52 services48 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
16 services16 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mymichigan Medical Center Alma

Acute Care Hospitals · Alma, MI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230030
Location300 E Warwick DrAlma, MI 48801 · Gratiot County
Emergency services Birthing friendly

University Of Michigan Health System

Acute Care Hospitals · Ann Arbor, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230046
Location1500 E Medical Center Drive, Spc 5474Ann Arbor, MI 48109 · Washtenaw County
Emergency services Birthing friendly

Mymichigan Medical Center Clare

Acute Care Hospitals · Clare, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230180
Location703 N Mcewan StClare, MI 48617 · Clare County

Mymichigan Medical Center Midland

Acute Care Hospitals · Midland, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230222
Location4000 Wellness DriveMidland, MI 48670 · Midland County
Birthing friendly

Mymichigan Medical Center Gladwin

Critical Access Hospitals · Gladwin, MI
OwnershipVoluntary non-profit - Private
CMS Certification Number231325
Location515 Quarter StreetGladwin, MI 48624 · Gladwin County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48858 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
$166.68 typical visit price
range $54.34 – $166.68
Typical copayment $41.67 (range $13.58 – $41.67)
Most-billed visit code 99205
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.89/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality84.43
Promoting Interoperability100
Improvement Activities40
Cost37.03

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$109.33 avg. paid by Medicare
Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers28 claims2,335 services$0.72 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$35.56 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
3 suppliers12 claims12 services$18.95 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
3 suppliers16 claims16 services$12.66 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

BRANDI MCCONNELL NP
Nurse Practitioner
4851 E PICKARD ST STE 2070
MT PLEASANT, MI 48858
Isabella County (989) 956-9107
MYMICHIGAN MEDICAL CENTER ALMA
Clinic/Center
4851 E PICKARD ST STE 2070
MOUNT PLEASANT, MI 48858
Isabella County (989) 956-9107

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 Tannu Sahay's NPI number?

The NPI number for Tannu Sahay is 1962676254. It was assigned to this individual provider in the NPPES registry on April 17, 2008.

Where is Tannu Sahay located?

Tannu Sahay practices at 4851 E Pickard St Ste 2070, Mt Pleasant, MI 48858. The listed phone number is (989) 956-9107.

What is Tannu Sahay's specialty?

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

Is Tannu Sahay enrolled in Medicare?

Yes. Tannu Sahay 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.

Which organization bills Medicare for Tannu Sahay's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tannu Sahay reassigns Medicare benefits to Mymichigan Medical Center Alma (Mt Pleasant, 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 Tannu Sahay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tannu Sahay accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Tannu Sahay as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Tannu Sahay affiliated with any hospitals?

According to CMS data, Tannu Sahay is affiliated with Mymichigan Medical Center Alma, University Of Michigan Health System, Mymichigan Medical Center Clare, Mymichigan Medical Center Midland and Mymichigan Medical Center Gladwin.

When was this NPI record last updated?

The NPPES record for Tannu Sahay 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.