Joanna Sattar, M.D.
NPI 1639389323 · Nephrology Physician · Dearborn, MI
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanna Sattar, M.D. is a Nephrology Physician provider in Dearborn, MI (NPI 1639389323).
Provider details
- NPI number
- 1639389323
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 4301091158 (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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
222 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 140 | $89 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 44 | $84 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 38 | $119 |
Typical Medicare-allowed amounts for these services range $84–$119 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 100 | 32 |
| Amlodipine Besylate | 91 | 35 |
| Hydralazine Hcl | 72 | 25 |
| Dapagliflozin Propanediolbrand: Farxiga | 70 | 23 |
| Atorvastatin Calcium | 50 | 18 |
| Finerenonebrand: Kerendia | 46 | — |
| Carvedilol | 38 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$105 across 5 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
Registry dates
- Enumerated
- 2007-05-23
- Last updated
- 2025-02-14
- Certified
- 2025-02-14
Frequently asked questions
- What is Joanna Sattar's NPI number?
- Joanna Sattar's National Provider Identifier (NPI) is 1639389323, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Sattar's specialty?
- Joanna Sattar is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Joanna Sattar located?
- Joanna Sattar's practice location on file with NPPES is 6050 Greenfield Rd, Dearborn, MI 48126-6004.
- What is Joanna Sattar's phone number?
- The practice phone number listed in the NPPES registry for Joanna Sattar is (313) 945-9000.
- Does Joanna Sattar accept Medicare?
- Joanna Sattar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanna Sattar's NPI active?
- Yes — Joanna Sattar's NPI (1639389323) is active in the NPPES registry as of the last update on 2025-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.