Annette Barnes-Grain, M.D.
NPI 1871648444 · Pediatric Adolescent Medicine Physician · Port Huron, MI
Annette Barnes-Grain, M.D. is a Pediatric Adolescent Medicine Physician provider in Port Huron, MI (NPI 1871648444).
Provider details
- NPI number
- 1871648444
- Entity type
- Individual
- Primary specialty
- Pediatric Adolescent Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 4301071107 (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
19 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$178 across 10 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
- 2007-01-24
- Last updated
- 2022-01-25
- Certified
- 2022-01-25
Frequently asked questions
- What is Annette Barnes-Grain's NPI number?
- Annette Barnes-Grain's National Provider Identifier (NPI) is 1871648444, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annette Barnes-Grain's specialty?
- Annette Barnes-Grain is listed in the NPPES registry with a primary specialty of Pediatric Adolescent Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Annette Barnes-Grain located?
- Annette Barnes-Grain's practice location on file with NPPES is 2609 Electric Ave Ste D, Port Huron, MI 48060-6589.
- What is Annette Barnes-Grain's phone number?
- The practice phone number listed in the NPPES registry for Annette Barnes-Grain is (810) 966-3000.
- Is Annette Barnes-Grain's NPI active?
- Yes — Annette Barnes-Grain's NPI (1871648444) is active in the NPPES registry as of the last update on 2022-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.