Clifford Stirba, MD
NPI 1801897665 · Infectious Disease Physician · Norwich, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clifford Stirba, MD is a Infectious Disease Physician provider in Norwich, CT (NPI 1801897665).
Provider details
- NPI number
- 1801897665
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 021694 (CT)
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
20 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
77 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 49 | $168 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 28 | $68 |
Typical Medicare-allowed amounts for these services range $68–$168 (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 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 201 | 20 |
| Atorvastatin Calcium | 177 | 52 |
| Abacavir/Dolutegravir/Lamivudibrand: Triumeq | 153 | 15 |
| Dolutegravir Sodiumbrand: Tivicay | 120 | 12 |
| Rosuvastatin Calcium | 114 | 24 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 79 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$219 across 4 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
- 2005-08-02
- Last updated
- 2017-11-16
Frequently asked questions
- What is Clifford Stirba's NPI number?
- Clifford Stirba's National Provider Identifier (NPI) is 1801897665, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clifford Stirba's specialty?
- Clifford Stirba is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Clifford Stirba located?
- Clifford Stirba's practice location on file with NPPES is 7 Cuprak Rd, Norwich, CT 06360-2007.
- What is Clifford Stirba's phone number?
- The practice phone number listed in the NPPES registry for Clifford Stirba is (860) 887-9865.
- Does Clifford Stirba accept Medicare?
- Clifford Stirba is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clifford Stirba's NPI active?
- Yes — Clifford Stirba's NPI (1801897665) is active in the NPPES registry as of the last update on 2017-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.