Iman Chamas, PA-C
NPI 1821544081 · Physician Assistant · Owosso, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Iman Chamas, PA-C is a Physician Assistant provider in Owosso, MI (NPI 1821544081).
Provider details
- NPI number
- 1821544081
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- MC4600816 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 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
73 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 | 49 | $104 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 24 | $71 |
Typical Medicare-allowed amounts for these services range $71–$104 (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 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 203 | 189 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 98 | 95 |
| Levocetirizine Dihydrochloride | 89 | 82 |
| Doxycycline Hyclate | 74 | 73 |
| Mupirocin | 46 | 45 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 39 | 38 |
| Azithromycin | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$131 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
- 2016-08-28
- Last updated
- 2021-04-05
- Certified
- 2021-04-05
Frequently asked questions
- What is Iman Chamas's NPI number?
- Iman Chamas's National Provider Identifier (NPI) is 1821544081, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Iman Chamas's specialty?
- Iman Chamas is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Iman Chamas located?
- Iman Chamas's practice location on file with NPPES is 200 Health Park Dr, Owosso, MI 48867-1291.
- What is Iman Chamas's phone number?
- The practice phone number listed in the NPPES registry for Iman Chamas is (989) 723-8666.
- Does Iman Chamas accept Medicare?
- Iman Chamas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Iman Chamas's NPI active?
- Yes — Iman Chamas's NPI (1821544081) is active in the NPPES registry as of the last update on 2021-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.