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TANNAZ GUIVATCHIAN MD
NPI 1285897835
Internal Medicine - Gastroenterology in Northville, MI

Active since July 03, 2008PECOS EnrolledAccepts Medicare Assignment
39901 TRADITIONS DR, SUITE 210, NORTHVILLE, MI 48168(888) 229-7408 Get Directions Write a Review

NPPES record last updated: December 13, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Tannaz Guivatchian Md NPPES

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

TANNAZ GUIVATCHIAN MD (NPI 1285897835) is an individual gastroenterology provider in Northville, Michigan, licensed in Michigan (4301092130) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and is a graduate of University Of Michigan Medical School (2008).

NPPES Registry Identity

NPI1285897835
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameTANNAZ GUIVATCHIANCredential: MD
Location Address39901 TRADITIONS DR, SUITE 210Northville, MI 48168
Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 647-5299
Phone(888) 229-7408
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2008
Enumeration DateJuly 3, 2008
Last NPPES UpdateDecember 13, 2018
✔ NPI 1285897835 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in MI · 4301092130
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 4301092130 (MI)
39901 TRADITIONS DR, Northville, MI 48168
Open in Google Maps ↗

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, McLaren Health Plan Community and more.Insurance ›

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

Tannaz Guivatchian 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 ID3173792041
PECOS Enrollment IDI20110810000179
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.

Areas of Expertise CMS Part B claims 5

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.
29 services26 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
17 services17 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.
15 services14 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
15 services11 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48168 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.

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.

Parenteral nutrition solution, not otherwise specified, 10 grams lipids B4185
Other-Enteral and Parenteral · category OB005N
1 supplier12 claims1,841 services$11.25 avg. paid by Medicare
Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, 74 to 100 grams of protein - premix B4197
Other-Enteral and Parenteral · category OB005N
1 supplier12 claims351 services$280.09 avg. paid by Medicare
Parenteral nutrition supply kit; premix, per day B4220
Other-Enteral and Parenteral · category OB005N
1 supplier17 claims357 services$8.02 avg. paid by Medicare
Parenteral nutrition administration kit, per day B4224
Other-Enteral and Parenteral · category OB005N
1 supplier19 claims357 services$25.04 avg. paid by Medicare
Parenteral nutrition infusion pump, portable B9004
Other-Enteral and Parenteral · category OB005N
1 supplier12 claims12 services$399.91 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 20

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

MARCY HOLLER PHARMD, BCPS
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
39901 TRADITIONS DR
NORTHVILLE, MI 48168
Wayne County (248) 305-4405
STACY WILLNER DO
Internal Medicine (Cardiovascular Disease)
39901 TRADITIONS DR
NORTHVILLE, MI 48168
Wayne County (888) 287-1082
SAMANTHA ASHLEE GUYAH MSW
Social Worker (Clinical)
39901 TRADITIONS DR
NORTHVILLE, MI 48168
Wayne County (734) 998-2020
KATHLEEN FRANCES DELANEY MD
Pediatrics
39901 TRADITIONS DR
NORTHVILLE, MI 48168
Wayne County (734) 539-5080
DR. ISABEL BEATRIZ ABELLA BENDER M.D.
Pediatrics
39901 TRADITIONS DR
NORTHVILLE, MI 48168
Wayne County (248) 888-9000
KIMBERLY ANNE VERES HANNAH PA-C
Physician Assistant
39901 TRADITIONS DR, SUITE 110
NORTHVILLE, MI 48168
Wayne County (248) 305-4400
DR. RASIMCAN MERAL MD
Internal Medicine
39901 TRADITIONS DR
NORTHVILLE, MI 48168
Wayne County (734) 998-2020
REGENTS OF THE UNIVERSITY OF MICHIGAN
Prosthetic/Orthotic Supplier
39901 TRADITIONS DR
NORTHVILLE, MI 48168
Wayne County (248) 305-4620

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 Tannaz Guivatchian's NPI number?

The NPI number for Tannaz Guivatchian is 1285897835. It was assigned to this individual provider in the NPPES registry on July 3, 2008.

Where is Tannaz Guivatchian located?

Tannaz Guivatchian practices at 39901 Traditions Dr Suite 210, Northville, MI 48168. The listed phone number is (888) 229-7408.

What is Tannaz Guivatchian's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Tannaz Guivatchian enrolled in Medicare?

Yes. Tannaz Guivatchian 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.

What insurance does Tannaz Guivatchian accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and Priority Health list Tannaz Guivatchian 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 Tannaz Guivatchian affiliated with any hospitals?

According to CMS data, Tannaz Guivatchian is affiliated with University Of Michigan Health System.

When was this NPI record last updated?

The NPPES record for Tannaz Guivatchian was last updated on December 13, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.