Ramprasad Subramaniam, M.D.
NPI 1932128998 · Internal Medicine Physician · Marietta, GA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ramprasad Subramaniam, M.D. is a Internal Medicine Physician provider in Marietta, GA (NPI 1932128998).
Provider details
- NPI number
- 1932128998
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 056489 (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
1,024 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 | 458 | $79 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 307 | $174 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 123 | $112 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 113 | $119 |
| Advance Care Planning, First 30 Minutes99497 | 12 | $76 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$489 across 16 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
- 2006-07-19
- Last updated
- 2015-06-21
Frequently asked questions
- What is Ramprasad Subramaniam's NPI number?
- Ramprasad Subramaniam's National Provider Identifier (NPI) is 1932128998, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ramprasad Subramaniam's specialty?
- Ramprasad Subramaniam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ramprasad Subramaniam located?
- Ramprasad Subramaniam's practice location on file with NPPES is 677 Church St Ne, Marietta, GA 30060-1101.
- What is Ramprasad Subramaniam's phone number?
- The practice phone number listed in the NPPES registry for Ramprasad Subramaniam is (770) 793-7750.
- Does Ramprasad Subramaniam accept Medicare?
- Ramprasad Subramaniam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ramprasad Subramaniam's NPI active?
- Yes — Ramprasad Subramaniam's NPI (1932128998) is active in the NPPES registry as of the last update on 2015-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.