Mohamed Altattan, M.D.
NPI 1477932093 · Rheumatology Physician · Royal Oak, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mohamed Altattan, M.D. is a Rheumatology Physician provider in Royal Oak, MI (NPI 1477932093).
Provider details
- NPI number
- 1477932093
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301508147 (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
11 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
1,706 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 | 437 | $127 |
| 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 | 276 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 223 | $75 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 195 | $71 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 153 | $167 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 639 | 221 |
| Hydroxychloroquine Sulfate | 285 | 93 |
| Methotrexate Sodiumbrand: Methotrexate | 257 | 80 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 88 | 17 |
| Tramadol Hcl | 79 | 27 |
| Methylprednisolone | 65 | 44 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,283 across 180 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
- 2015-05-28
- Last updated
- 2026-02-25
- Certified
- 2026-02-25
Frequently asked questions
- What is Mohamed Altattan's NPI number?
- Mohamed Altattan's National Provider Identifier (NPI) is 1477932093, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mohamed Altattan's specialty?
- Mohamed Altattan is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mohamed Altattan located?
- Mohamed Altattan's practice location on file with NPPES is 30701 Woodward Ave Ste 314s, Royal Oak, MI 48073-0987.
- What is Mohamed Altattan's phone number?
- The practice phone number listed in the NPPES registry for Mohamed Altattan is (248) 955-9229.
- Does Mohamed Altattan accept Medicare?
- Mohamed Altattan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mohamed Altattan's NPI active?
- Yes — Mohamed Altattan's NPI (1477932093) is active in the NPPES registry as of the last update on 2026-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.