Mark Katz
Psychiatry Physician · Denver, CO
Mark Katz is a psychiatry physician with a practice address in Denver, Colorado, and NPI 1700319621, issued on Apr 7, 2017. Check the license (Colorado DR.0064458, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Katz
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- DR.0064458 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1500 N Grant St # 8010, Denver, CO 80203
- Phone
- (720) 340-3161
- Enumerated
- Apr 7, 2017
- Record last updated
- Mar 12, 2025
- Medicare enrollment
- Enrolled (PECOS I20210902000653); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 990 in Colorado → Look up another NPI →
Verify Mark Katz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0064458Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Tms Solutions IncGreenwood Village, CO
- Uhs OF Centennial Peaks LLCLouisville, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Katz among 990 psychiatry physician records in Colorado
Mark Katz is one of 990 psychiatry physician records with a practice address in Colorado. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 82% of them.
- NPI issued2017 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 35% of these records are
- Graduated2017 · median 2009 among the 351 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
291 psychiatry physician records list a practice address in Denver
They are 291 of the 25,068 NPPES records with a practice address in Denver, and 990 psychiatry physician records in Colorado.
All 990 in Colorado → Every provider in Denver → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- German Ascani, MDDenver, CO 802031740348309
- David Iverson, M.D.Denver, CO 802031134382518
- Carli Klinghoffer, M.D.Denver, CO 802031386893584
- Sean Mardis, DODenver, CO 802031417446246
- Laura Martin, MDDenver, CO 802031891743548
- Jeffrey RichmondDenver, CO 802031831414507
- Jason Rodriguez, M.D.Denver, CO 802031023250560
- Charles Ventriglia, MDDenver, CO 802031619437696
Common questions
What is Mark Katz's NPI number?
Mark Katz's National Provider Identifier (NPI) is 1700319621, issued on Apr 7, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mark Katz located?
The NPPES record lists a practice address at 1500 N Grant St # 8010, Denver, CO, 80203. Phone: (720) 340-3161. Providers update this record themselves, so call before visiting.
How can I verify Mark Katz's license?
NPPES lists Colorado license number DR.0064458, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.