Ali Karrar, M.D.
NPI 1871520239 · Rheumatology Physician · Grand Blanc, MI
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ali Karrar, M.D. is a Rheumatology Physician provider in Grand Blanc, MI (NPI 1871520239).
Provider details
- NPI number
- 1871520239
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301067638 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
965 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 541 | $120 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 107 | $16 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 60 | $13 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 48 | $35 |
| Complete Ultrasound Scan of Joint76881 | 44 | $51 |
| Aspiration And/Or Injection of Fluid From Large Joint |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 847 | 336 |
| Methotrexate Sodiumbrand: Methotrexate | 719 | 258 |
| Methylprednisolone | 423 | 280 |
| Prednisone | 234 | 113 |
| Adalimumabbrand: Humira(cf) Pen | 154 | 23 |
| Meloxicam | 152 | 54 |
| Alendronate Sodium | 136 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,369 across 168 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1522 Janes AveSaginaw, MI 48601-1819Phone: (989) 755-0316Fax: (989) 755-0956
Registry dates
- Enumerated
- 2006-06-28
- Last updated
- 2021-04-08
- Certified
- 2021-04-08
Frequently asked questions
- What is Ali Karrar's NPI number?
- Ali Karrar's National Provider Identifier (NPI) is 1871520239, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ali Karrar's specialty?
- Ali Karrar is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Ali Karrar located?
- Ali Karrar's practice location on file with NPPES is 8200 S Saginaw St Ste 500, Grand Blanc, MI 48439-2451.
- What is Ali Karrar's phone number?
- The practice phone number listed in the NPPES registry for Ali Karrar is (810) 953-8700.
- Does Ali Karrar accept Medicare?
- Ali Karrar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ali Karrar's NPI active?
- Yes — Ali Karrar's NPI (1871520239) is active in the NPPES registry as of the last update on 2021-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.