Clifford Zeller, M.D.
NPI 1962580001 · Psychiatry Physician · Denver, CO
Clifford Zeller, M.D. is a Psychiatry Physician provider in Denver, CO (NPI 1962580001).
Provider details
- NPI number
- 1962580001
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- DR18448 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Trazodone Hcl | 62 |
| Escitalopram Oxalate | 53 |
| Gabapentin | 47 |
| Lamotrigine | 41 |
| Bupropion Hclbrand: Bupropion Hcl Sr | 21 |
| Aripiprazole | 19 |
| Lorazepam | 12 |
| Doxepin Hcl | 12 |
| Mirtazapine | 11 |
These counts cover prescriptions paid through Medicare Part D in 2024 — they include cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means , never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-02
- Last updated
- 2013-10-11
Frequently asked questions
- What is Clifford Zeller's NPI number?
- Clifford Zeller's National Provider Identifier (NPI) is 1962580001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clifford Zeller's specialty?
- Clifford Zeller is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Clifford Zeller located?
- Clifford Zeller's practice location on file with NPPES is 5031 S Ulster St, Denver, CO 80237-2804.
- What is Clifford Zeller's phone number?
- The practice phone number listed in the NPPES registry for Clifford Zeller is (720) 381-0015.
- Is Clifford Zeller's NPI active?
- Yes — Clifford Zeller's NPI (1962580001) is active in the NPPES registry as of the last update on 2013-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.