Ramasubramanian Chauhan, M.D.
NPI 1518197144 · Infectious Disease Physician · Aurora, CO
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ramasubramanian Chauhan, M.D. is a Infectious Disease Physician provider in Aurora, CO (NPI 1518197144).
Provider details
- NPI number
- 1518197144
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 2009006331 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
288 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 50 Minutes99233 | 143 | $117 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 81 | $78 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 40 | $181 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 24 | $171 |
Typical Medicare-allowed amounts for these services range $78–$181 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 274 | 32 |
| Atorvastatin Calcium | 95 | 11 |
| Lisinopril | 85 | — |
| Pregabalin | 62 | — |
| Rosuvastatin Calcium | 55 | — |
| Tamsulosin Hcl | 55 | — |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$96 across 5 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
Additional practice locations (1)
- 1000 Lincoln StFort Morgan, CO 80701-3290Phone: (970) 867-3391
Registry dates
- Enumerated
- 2009-07-16
- Last updated
- 2022-07-21
Frequently asked questions
- What is Ramasubramanian Chauhan's NPI number?
- Ramasubramanian Chauhan's National Provider Identifier (NPI) is 1518197144, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ramasubramanian Chauhan's specialty?
- Ramasubramanian Chauhan is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Ramasubramanian Chauhan located?
- Ramasubramanian Chauhan's practice location on file with NPPES is 12605 E 16th Ave, Aurora, CO 80045-2545.
- What is Ramasubramanian Chauhan's phone number?
- The practice phone number listed in the NPPES registry for Ramasubramanian Chauhan is (720) 848-0000.
- Does Ramasubramanian Chauhan accept Medicare?
- Ramasubramanian Chauhan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ramasubramanian Chauhan's NPI active?
- Yes — Ramasubramanian Chauhan's NPI (1518197144) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.