Allyson Barker, DO
NPI 1811347479 · Family Medicine Physician · Roscommon, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allyson Barker, DO is a Family Medicine Physician provider in Roscommon, MI (NPI 1811347479).
Provider details
- NPI number
- 1811347479
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 5101022332 (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
10 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
4 documented practice locations
- 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 · 121 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 322 | 95 |
| Atorvastatin Calcium | 315 | 104 |
| Levothyroxine Sodium | 248 | 77 |
| Amlodipine Besylate | 226 | 70 |
| Omeprazole | 223 | 65 |
| Metformin Hcl | 162 | 51 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$363 across 21 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 (3)
- 1250 E Michigan AveGrayling, MI 49738-7074Phone: (989) 348-0550Fax: (989) 348-0473
- 2585 W Houghton Lake DrPrudenville, MI 48651-9624Phone: (989) 366-2900Fax: (989) 366-1166
- 1400 Medical Campus DrTraverse City, MI 49684Phone: (231) 935-8000Fax: (231) 935-8099
Registry dates
- Enumerated
- 2016-06-15
- Last updated
- 2021-04-16
- Certified
- 2021-04-16
Frequently asked questions
- What is Allyson Barker's NPI number?
- Allyson Barker's National Provider Identifier (NPI) is 1811347479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allyson Barker's specialty?
- Allyson Barker is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Allyson Barker located?
- Allyson Barker's practice location on file with NPPES is 234 Lake St, Roscommon, MI 48653-9203.
- What is Allyson Barker's phone number?
- The practice phone number listed in the NPPES registry for Allyson Barker is (989) 275-1200.
- Does Allyson Barker accept Medicare?
- Allyson Barker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allyson Barker's NPI active?
- Yes — Allyson Barker's NPI (1811347479) is active in the NPPES registry as of the last update on 2021-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.