Tisa K. Testai, D.O.
Internal Medicine Physician · Rochester Hills, MI
Tisa K. Testai, D.O. is an internal medicine physician with a practice address in Rochester Hills, Michigan, and NPI 1134169766, issued on Jun 8, 2006. Check the license (Michigan 5101011081, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Tisa K. Testai
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101011081 MI
Self-reported in NPPES; status is on the state search - Practice location
- 633 South Blvd E Ste 1200, Rochester Hills, MI 48307
- Phone
- (248) 844-6000
- Enumerated
- Jun 8, 2006
- Record last updated
- Sep 12, 2023
- Fax
- (248) 844-6159
- Medicare enrollment
- Enrolled (PECOS I20041124000215); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1990
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 633 South Blvd E Ste 1200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monika Clay, AGPCNP-CPrimary Care Nurse Practitioner1942896253
- Amanda Primozich, PA-CMedical Physician Assistant1902200405
- David Schwartzenfeld, D. O.Hospice and Palliative Medicine (Family Medicine) Physician1174637938
Verify Tisa K. Testai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101011081Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,559 Medicare Part D claims for 433 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 408 claims were for opioids.
Most prescribed
- Levothyroxine Sodium336 claims
- Losartan Potassium274 claims
- Atorvastatin Calcium264 claims
- Alprazolam186 claims
- Hydrocodone-Acetaminophen181 claims
- Potassium Chloride156 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $165.23
9 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Michigan Healthcare Professionals PCFarmington Hills, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tisa K. Testai among 5,735 internal medicine physician records in Michigan
Tisa K. Testai, D.O. is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1990 · median 2006 among the 3,564 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 internal medicine physician records list a practice address in Rochester Hills
They are 63 of the 1,697 NPPES records with a practice address in Rochester Hills, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Rochester Hills → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Thomas Bering, MDRochester Hills, MI 483071861482846
- Bret Bielawski, DORochester Hills, MI 483071437149671
- Gina Buccalo, MDRochester, MI 483071124002498
- Fadi Demashkieh, MDRochester Hills, MI 483071396726808
- Mara Geiger, MDRochester Hills, MI 483071003806241
- Todd Hachigian, MDRochester Hills, MI 483071053301713
- Anna Kulczycki-Mittag, MDRochester Hills, MI 483071801886049
- Andrew Madak, D.O.Rochester Hills, MI 483071588656755
Common questions
What is Tisa K. Testai, D.O.'s NPI number?
Tisa K. Testai, D.O.'s National Provider Identifier (NPI) is 1134169766, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tisa K. Testai, D.O. located?
The NPPES record lists a practice address at 633 South Blvd E Ste 1200, Rochester Hills, MI, 48307. Phone: (248) 844-6000. Providers update this record themselves, so call before visiting.
How can I verify Tisa K. Testai, D.O.'s license?
NPPES lists Michigan license number 5101011081, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tisa K. Testai, D.O. prescribe under Medicare Part D?
In 2024, Tisa K. Testai, D.O. had 6,559 Medicare Part D claims for 433 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.