Gregory Colodner, MD
NPI 1881623288 · Sleep Medicine (Internal Medicine) Physician · Waterbury, CT
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Colodner, MD is a Sleep Medicine (Internal Medicine) Physician provider in Waterbury, CT (NPI 1881623288).
Provider details
- NPI number
- 1881623288
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 039369 (CT)
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
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
609 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 343 | $94 |
| Critical Care, First 30-74 Minutes99291 | 87 | $216 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 68 | $172 |
| Sleep Study in Sleep Lab (6 Years Or Older)95810 | 24 | $119 |
| Sleep Study Including Heart Rate, Breathing, Airflow, and Effort95806 | 19 | $42 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 43 | 15 |
| Pramipexole Di-Hclbrand: Pramipexole Dihydrochloride | 40 | — |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 36 | — |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 28 | — |
| Modafinil | 26 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 22 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,290 across 33 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
- 2006-06-30
- Last updated
- 2021-11-17
- Certified
- 2021-11-17
Frequently asked questions
- What is Gregory Colodner's NPI number?
- Gregory Colodner's National Provider Identifier (NPI) is 1881623288, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Colodner's specialty?
- Gregory Colodner is listed in the NPPES registry with a primary specialty of Sleep Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Colodner located?
- Gregory Colodner's practice location on file with NPPES is 56 Franklin St, Waterbury, CT 06706-1253.
- What is Gregory Colodner's phone number?
- The practice phone number listed in the NPPES registry for Gregory Colodner is (203) 709-6000.
- Does Gregory Colodner accept Medicare?
- Gregory Colodner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Colodner's NPI active?
- Yes — Gregory Colodner's NPI (1881623288) is active in the NPPES registry as of the last update on 2021-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.