Annette Hamilton, MD
NPI 1639236177 · Internal Medicine Physician · Cumming, GA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annette Hamilton, MD is a Internal Medicine Physician provider in Cumming, GA (NPI 1639236177).
Provider details
- NPI number
- 1639236177
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 054743 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
784 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 356 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 234 | $113 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 139 | $108 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 21 | $76 |
| Test for Exercise-Induced Lung Stress94618 | 17 | $21 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 17 | $164 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 46 | 44 |
| Prednisone | 28 | 28 |
| Atorvastatin Calcium | 22 | 16 |
| Amlodipine Besylate | 21 | 12 |
| Doxycycline Hyclate | 20 | 19 |
| Furosemide | 19 | 18 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$24 across 1 record (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
- 2007-01-03
- Last updated
- 2022-04-20
- Certified
- 2022-04-20
Frequently asked questions
- What is Annette Hamilton's NPI number?
- Annette Hamilton's National Provider Identifier (NPI) is 1639236177, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annette Hamilton's specialty?
- Annette Hamilton is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Annette Hamilton located?
- Annette Hamilton's practice location on file with NPPES is 407 E Maple St, Cumming, GA 30040-2656.
- What is Annette Hamilton's phone number?
- The practice phone number listed in the NPPES registry for Annette Hamilton is (770) 888-6697.
- Does Annette Hamilton accept Medicare?
- Annette Hamilton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Annette Hamilton's NPI active?
- Yes — Annette Hamilton's NPI (1639236177) is active in the NPPES registry as of the last update on 2022-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.