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MRS. ANNETTE C HAMILTON MD
NPI 1639236177
Internal Medicine in Cumming, GA

Active since January 03, 2007PECOS Enrolled
407 E MAPLE ST, SUITE 101, CUMMING, GA 30040(770) 888-6697(770) 888-6698 Get Directions Write a Review

NPPES record last updated: April 20, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 20, 2022, Jan 9, 2021 (2 updates tracked since 2021).

About Mrs. Annette C Hamilton Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. ANNETTE C HAMILTON MD (NPI 1639236177) is an individual internal medicine provider in Cumming, Georgia, licensed in Georgia (054743) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with St Joseph's Hospital - Savannah, and is a graduate of West Virginia University School Of Medicine (1993).

NPPES Registry Identity

NPI1639236177
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMRS. ANNETTE C HAMILTONCredential: MD
Location Address407 E MAPLE ST, SUITE 101Cumming, GA 30040-2656
Mailing Address106 Northampton DrCanton, GA 30115-6008 · (770) 888-6697 · Fax (770) 888-6698
Phone(770) 888-6697
Fax(770) 888-6698
Sole ProprietorNo
Medical School CMSWest Virginia University School Of MedicineGraduated 1993
Enumeration DateJanuary 3, 2007
Last NPPES UpdateApril 20, 20222 updates tracked since enumeration
NPPES CertifiedApril 20, 2022
✔ NPI 1639236177 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in GA · 054743
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
407 E MAPLE ST, Cumming, GA 30040
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of Alabama and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Annette C Hamilton Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6002881836
PECOS Enrollment IDI20040826000554
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Annette Hamilton reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advanced Medical Resources Of Wayne County, LLC
221 mi
Internal Medicine
865 S 1ST ST
Jesup, GA 31545
  • Reassigned Medicare billing, Georgia enrollment
  • 12 clinicians in this Medicare group
NPI 1396140497 (912) 657-0500
Chatham Hosptialists, LLC
231 mi
Internal Medicine
5354 REYNOLDS ST, STE 424
Savannah, GA 31405
  • Reassigned Medicare billing, Georgia enrollment
  • 74 clinicians in this Medicare group
NPI 1336290667 (912) 819-5999
Camden-Clark Physician Corporation
377 mi
Surgery
604 ANN ST
Parkersburg, WV 26101
  • Reassigned Medicare billing, West Virginia enrollment
  • 461 clinicians in this Medicare group
NPI 1710125430 (304) 424-4593

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
356 services147 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
234 services103 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
139 services133 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
21 services21 patients
Test for exercise-induced lung stress 94618
An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.
17 services15 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
17 services17 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Joseph's Hospital - Savannah

Acute Care Hospitals · Savannah, GA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110043
Location11705 Mercy BoulevardSavannah, GA 31419 · Chatham County
Emergency services

Wayne Memorial Hospital

Acute Care Hospitals · Jesup, GA
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110124
Location865 South First StreetJesup, GA 31545 · Wayne County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30040 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.64 typical visit price
range $56.84 – $172.43
Typical copayment $32.66 (range $14.21 – $43.10)
Most-billed visit code 99204
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
5 suppliers36 claims36 services$91.14 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
3 suppliers22 claims22 services$33.93 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MELISSA STEWART LMSW
Social Worker
407 E MAPLE ST
CUMMING, GA 30040
Forsyth County (678) 965-6021
FAMILY ORTHODONTICS OF CING, LLC
Dentist (Orthodontics and Dentofacial Orthopedics)
407 E MAPLE ST
CUMMING, GA 30040
Forsyth County (678) 445-9191
DENTISTRY FOR CHILDREN OF CUMMING CD, LLC
Dentist (Pediatric Dentistry)
407 E MAPLE ST, STE 109
CUMMING, GA 30040
Forsyth County (678) 445-5444
PREMIER MEDICAL ASSOCIATES PC
Internal Medicine
407 E MAPLE ST, SUITE 101
CUMMING, GA 30040
Forsyth County (770) 888-6697
DR. KELLEY A. STAHL MD
Internal Medicine
407 E MAPLE ST, SUITE 101
CUMMING, GA 30040
Forsyth County (770) 888-6697
DR. HEMA SUNDAR DMD
Dentist (General Practice)
407 E MAPLE ST
CUMMING, GA 30040
Forsyth County (678) 525-0327

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Annette Hamilton's NPI number?

The NPI number for Annette Hamilton is 1639236177. It was assigned to this individual provider in the NPPES registry on January 3, 2007.

Where is Annette Hamilton located?

Annette Hamilton practices at 407 E Maple St Suite 101, Cumming, GA 30040. The listed phone number is (770) 888-6697.

What is Annette Hamilton's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Annette Hamilton enrolled in Medicare?

Yes. Annette Hamilton is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Annette Hamilton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Annette Hamilton reassigns Medicare benefits to 3 organizations: Advanced Medical Resources Of Wayne County, LLC (Jesup, GA), Chatham Hosptialists, LLC (Savannah, GA) and Camden-Clark Physician Corporation (Parkersburg, WV). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Annette Hamilton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Annette Hamilton accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 1 other insurer list Annette Hamilton as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Annette Hamilton affiliated with any hospitals?

According to CMS data, Annette Hamilton is affiliated with St Joseph's Hospital - Savannah and Wayne Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Annette Hamilton was last updated on April 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.