Crystal Thamer Ajja, DO
Internal Medicine Physician · Rochester Hills, MI
Crystal Thamer Ajja, DO is an internal medicine physician with a practice address in Rochester Hills, Michigan, and NPI 1447814694, issued on Apr 23, 2019. Check the license (Michigan 5101027482, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Crystal Thamer Ajja
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101027482 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1701 South Blvd E Ste 250, Rochester Hills, MI 48307
- Phone
- (248) 293-1002
- Enumerated
- Apr 23, 2019
- Record last updated
- Feb 10, 2024
- Medicare enrollment
- Enrolled (PECOS I20230918001413); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 1701 South Blvd E Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Taya Pantaleo, FNP-BCFamily Nurse Practitioner1780559658
Verify Crystal Thamer Ajja in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101027482Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,132 Medicare Part D claims for 349 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 93 claims were for opioids.
Most prescribed
- Atorvastatin Calcium108 claims
- Levothyroxine Sodium79 claims
- Lisinopril69 claims
- Losartan Potassium68 claims
- Amlodipine Besylate65 claims
- Prednisone64 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: $156.09
9 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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 2 group practices
- Arcturus Healthcare PLCRochester Hills, MI
- Powerback Rehabilitation LLCClinton Twp, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Crystal Thamer Ajja among 5,735 internal medicine physician records in Michigan
Crystal Thamer Ajja, DO 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 2019, is newer than 76% of them.
- NPI issued2019 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2019 · median 2006 among the 3,564 with a school on file
- Record last updated2024 · 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 Crystal Thamer Ajja, DO's NPI number?
Crystal Thamer Ajja, DO's National Provider Identifier (NPI) is 1447814694, issued on Apr 23, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Crystal Thamer Ajja, DO located?
The NPPES record lists a practice address at 1701 South Blvd E Ste 250, Rochester Hills, MI, 48307. Phone: (248) 293-1002. Providers update this record themselves, so call before visiting.
How can I verify Crystal Thamer Ajja, DO's license?
NPPES lists Michigan license number 5101027482, 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 Crystal Thamer Ajja, DO prescribe under Medicare Part D?
In 2024, Crystal Thamer Ajja, DO had 2,132 Medicare Part D claims for 349 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.