Cassandra Tribble, M.D
NPI 1811924657 · Pain Medicine (Anesthesiology) Physician · Greenwich, CT
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassandra Tribble, M.D is a Pain Medicine (Anesthesiology) Physician provider in Greenwich, CT (NPI 1811924657).
Provider details
- NPI number
- 1811924657
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- 035091 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
199 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 66 | $64 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 19 | $120 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 18 | $115 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 18 | $98 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 16 | $148 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 16 | $60 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-27
- Last updated
- 2008-03-31
Frequently asked questions
- What is Cassandra Tribble's NPI number?
- Cassandra Tribble's National Provider Identifier (NPI) is 1811924657, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Tribble's specialty?
- Cassandra Tribble is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Cassandra Tribble located?
- Cassandra Tribble's practice location on file with NPPES is 5 Perryridge Rd, Greenwich, CT 06830-4608.
- What is Cassandra Tribble's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Tribble is (203) 661-5330.
- Does Cassandra Tribble accept Medicare?
- Cassandra Tribble is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassandra Tribble's NPI active?
- Yes — Cassandra Tribble's NPI (1811924657) is active in the NPPES registry as of the last update on 2008-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.