DR. CRYSTAL THAMER AJJA DO
NPI 1447814694
Internal Medicine in Rochester Hills, MI

Active since April 23, 2019PECOS EnrolledAccepts Medicare Assignment
1701 SOUTH BLVD E STE 250, ROCHESTER HILLS, MI 48307(248) 293-1002 Get Directions Write a Review

NPPES record last updated: February 10, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 10, 2024, Apr 23, 2019 (2 updates tracked since 2019).

About Dr. Crystal Thamer Ajja Do NPPES

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

DR. CRYSTAL THAMER AJJA DO (NPI 1447814694) is an individual internal medicine provider in Rochester Hills, Michigan, licensed in Michigan (5101027482) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital - Grosse Pointe, and is a graduate of Michigan State University College Of Osteopathic Medicine (2019).

NPPES Registry Identity

NPI1447814694
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. CRYSTAL THAMER AJJACredential: DO
Location Address1701 SOUTH BLVD E STE 250Rochester Hills, MI 48307-6123
Mailing Address1701 South Blvd E Ste 250Rochester Hills, MI 48307-6123 · (248) 293-1002
Sole ProprietorNo
Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 2019
Enumeration DateApril 23, 2019
Last NPPES UpdateFebruary 10, 20242 updates tracked since enumeration
NPPES CertifiedFebruary 10, 2024
NPI 1447814694 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MI · 5101027482
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1701 SOUTH BLVD E STE 250, Rochester Hills, MI 48307

Accepted 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

Dr. Crystal Thamer Ajja Do 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 ID8921331877
PECOS Enrollment IDI20230918001413
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 12

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.
239 services131 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
114 services98 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
86 services86 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
55 services44 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
47 services47 patients
Blood test, lipids (cholesterol and triglycerides) 80061
A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.
46 services46 patients

Hospital Affiliations CMS Care Compare 3

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

Beaumont Hospital - Grosse Pointe

Acute Care Hospitals · Grosse Pointe, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230089
Location468 Cadieux RdGrosse Pointe, MI 48230 · Wayne County
Emergency services Birthing friendly

Beaumont Hospital Royal Oak

Acute Care Hospitals · Royal Oak, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230130
Location3601 W Thirteen Mile RdRoyal Oak, MI 48073 · Oakland County
Emergency services Birthing friendly

Beaumont Hospital, Troy

Acute Care Hospitals · Troy, MI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230269
Location44201 Dequindre RoadTroy, MI 48085 · Oakland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48307 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.

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.

Internal Medicine (Adolescent Medicine)
1701 SOUTH BLVD E STE 250
ROCHESTER HILLS, MI 48307
Nurse Practitioner (Family)
1701 SOUTH BLVD E STE 250
ROCHESTER HILLS, MI 48307

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 Crystal Ajja's NPI number?

The NPI number for Crystal Ajja is 1447814694. It was assigned to this individual provider in the NPPES registry on April 23, 2019.

Where is Crystal Ajja located?

Crystal Ajja practices at 1701 South Blvd E Ste 250, Rochester Hills, MI 48307. The listed phone number is (248) 293-1002.

What is Crystal Ajja's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Crystal Ajja enrolled in Medicare?

Yes. Crystal Ajja 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 Crystal Ajja accept?

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

According to CMS data, Crystal Ajja is affiliated with Beaumont Hospital - Grosse Pointe, Beaumont Hospital Royal Oak and Beaumont Hospital, Troy.

When was this NPI record last updated?

The NPPES record for Crystal Ajja was last updated on February 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.