Ruth Datmare Montalvo, M.D.
NPI 1447346721ActiveIndividual· Internal Medicine, Gastroenterology· Albany, GA
Internal Medicine, Gastroenterology (M.D.) with Aga Professional Services LLC, practicing in Albany, Georgia. Their prescriptions cost Medicare Part D more than their services did: $123,699 for 545 claims, against $51,773 paid for services in 2024. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $903.98 in all, mostly food and beverage. Lists Emory Johns Creek Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1447346721 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 5, 2006 |
| Last updated in NPPES | Feb 12, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 207RG0100X | GA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 251 |
|---|---|
| Services billed | 556 across 36 procedure codes |
| Paid by Medicare | $51,773 |
Part D prescriptions in 2024
| Prescriptions (claims) | 545 · 1,099 30-day fills |
|---|---|
| Patients | 210 |
| Total drug cost | $123,699 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Aga Professional Services LLCAtlanta, GA · 177 clinicians
Hospital affiliations
- Emory Johns Creek HospitalJohns Creek, GA
- Northside HospitalAtlanta, GA
- Northside Hospital ForsythCumming, GA
- Saint Joseph's Hospital of Atlanta, IncAtlanta, GA
Industry payments (Open Payments)
- 2025$903.98 · 40 payments from 14 companies
- 2024$912.40 · 40 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $202.69 | 10 |
| Genzyme Corporation | $185.92 | 7 |
| Regeneron Healthcare Solutions, Inc. | $81.61 | 3 |
| Medtronic, Inc. | $81.11 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $68.89 | 4 |
What the 2025 payments were for
- Food and Beverage$903.98 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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