Joel Witter, MD
NPI 1912017716 · Hospitalist Physician · Denver, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joel Witter, MD is a Hospitalist Physician provider in Denver, CO (NPI 1912017716).
Provider details
- NPI number
- 1912017716
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 34232 (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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
511 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 348 | $116 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 61 | $170 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 57 | $77 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 26 | $113 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 19 | $80 |
Typical Medicare-allowed amounts for these services range $77–$170 (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.
Practice location
Mailing address
Additional practice locations (1)
- 1721 E 19th Ave Ste 500Denver, CO 80218-1242Phone: (303) 869-2440Fax: (303) 869-2544
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2021-06-15
- Certified
- 2021-06-15
Frequently asked questions
- What is Joel Witter's NPI number?
- Joel Witter's National Provider Identifier (NPI) is 1912017716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joel Witter's specialty?
- Joel Witter is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Joel Witter located?
- Joel Witter's practice location on file with NPPES is 1719 E 19th Ave, Denver, CO 80218-1235.
- What is Joel Witter's phone number?
- The practice phone number listed in the NPPES registry for Joel Witter is (720) 754-2296.
- Does Joel Witter accept Medicare?
- Joel Witter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joel Witter's NPI active?
- Yes — Joel Witter's NPI (1912017716) is active in the NPPES registry as of the last update on 2021-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.