Joanna Nigrelli, D.O.
NPI 1609028992 · Family Medicine Physician · Grayling, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanna Nigrelli, D.O. is a Family Medicine Physician provider in Grayling, MI (NPI 1609028992).
Provider details
- NPI number
- 1609028992
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 5101016876 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 120 | 37 |
| Levothyroxine Sodium | 119 | 35 |
| Atorvastatin Calcium | 112 | 42 |
| Omeprazole | 104 | 36 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 96 | 28 |
| Losartan Potassium | 84 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$416 across 18 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
- 2008-10-17
- Last updated
- 2020-12-23
- Certified
- 2020-12-23
Frequently asked questions
- What is Joanna Nigrelli's NPI number?
- Joanna Nigrelli's National Provider Identifier (NPI) is 1609028992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Nigrelli's specialty?
- Joanna Nigrelli is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joanna Nigrelli located?
- Joanna Nigrelli's practice location on file with NPPES is 1250 E Michigan Ave, Grayling, MI 49738-7074.
- What is Joanna Nigrelli's phone number?
- The practice phone number listed in the NPPES registry for Joanna Nigrelli is (989) 348-0550.
- Does Joanna Nigrelli accept Medicare?
- Joanna Nigrelli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanna Nigrelli's NPI active?
- Yes — Joanna Nigrelli's NPI (1609028992) is active in the NPPES registry as of the last update on 2020-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.