Mark Katz
NPI 1700319621 · Psychiatry Physician · Denver, CO
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Katz is a Psychiatry Physician provider in Denver, CO (NPI 1700319621).
Provider details
- NPI number
- 1700319621
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
438 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) |
|---|---|---|
| Therapy Using Electrical Currents90870 | 208 | $103 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 67 | $65 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 56 | $77 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 46 | $49 |
| Psychiatric Diagnostic Evaluation90791 | 32 | $146 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 29 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-07
- Last updated
- 2025-03-12
- Certified
- 2025-03-12
Frequently asked questions
- What is Mark Katz's NPI number?
- Mark Katz's National Provider Identifier (NPI) is 1700319621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Katz's specialty?
- Mark Katz is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Katz located?
- Mark Katz's practice location on file with NPPES is 1500 N Grant St # 8010, Denver, CO 80203-1859.
- What is Mark Katz's phone number?
- The practice phone number listed in the NPPES registry for Mark Katz is (720) 340-3161.
- Does Mark Katz accept Medicare?
- Mark Katz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Katz's NPI active?
- Yes — Mark Katz's NPI (1700319621) is active in the NPPES registry as of the last update on 2025-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.