Doctors and health care providers in Denver, CO
25,068 individual NPPES records list a practice address in Denver, 1st of 193 Colorado cities. The largest group is clinical social worker: 1,836, 7% of the city's records, against 5% across Colorado. Page 332 of 502.
The 8 largest groups in Denver
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Denver in Colorado
- Rank in Colorado1st of 193 cities by records
- Share of the state16.8% of Colorado's records
- Specialties present25 or more taxonomy codes
- Top three groups18.1% of all records
- Clinical Social Worker rank1st of the 10 Colorado cities with the most
Compared with Colorado as a whole, Denver has 1.8× the state's share of psychiatry physician records and 0.39× its share of behavior technician records.
Providers in Denver, alphabetically
- Rachel Ohlmacher, FNP-BCFamily Nurse Practitioner1487102539
- Lori Ohlson, MA, LPCMental Health Counselor1790994135
- Atsuko Ohtake, M.D.Internal Medicine Physician1114061819
- Richard Ohye, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1720170111
- Ximena OjedaClinical Social Worker1306687066
- Claire Ojima, MDFamily Medicine Physician1861811267
- Ajoke OjoPsychiatric/Mental Health Nurse Practitioner1306786223
- Carol Okada, MDPediatric Critical Care Medicine Physician1356456867
- Kingsley Okafor, M.D.Ophthalmology Physician1861758443
- Blanda OkamotoPhysical Therapist1174633044
- Nicholas OkeefePharmacist1467113969
- Pamelagrace OkekeSocial Worker1477976140
- Joseph OkereNurse's Aide1215619663
- Dorcas OkhihanAdult Psychiatric/Mental Health Registered Nurse1962983759
- Theodora OkineRegistered Nurse1255823159
- Marta Oko-Riebau, MAMental Health Counselor1225445075
- Maggie Okoniewski, LSWSocial Worker1275084014
- Jacques Okonji, PH.D.Research Study Specialist1972564888
- Donna Okuda, M.D.Obstetrics & Gynecology Physician1982602033
- Sonia Okuyama Sasaki, MDHematology & Oncology Physician1053520049
- Mimi Okyere-Twum, LACAddiction (Substance Use Disorder) Counselor1659736981
- Laleobe Olaka, OTDPediatric Occupational Therapist1013762343
- Alyssa Oland, PH.D.Clinical Child & Adolescent Psychologist1124143458
- Onyemaechi OlaoluwaBehavior Technician1568390417
- Sindu Olapurath, RPHPharmacist1841709177
- Karina Yailyn OlaveBehavior Technician1285364810
- Rick Olderman, PTPhysical Therapist1114174273
- Jessica Oldham, PMHNP-BC, RXNPsychiatric/Mental Health Nurse Practitioner1659684009
- Kelly Oldham, NPFamily Nurse Practitioner1033665484
- Deanna Oleary, PMHNPPsychiatric/Mental Health Nurse Practitioner1356936793
- Sarah Oleary, RNCardiovascular Invasive Specialist/Technologist1730301714
- Jennifer Olenwine, MOT, OTR/LPediatric Occupational Therapist1275700916
- Kenneth Oleszek, MDInternal Medicine Physician1902878291
- Kavitha OletiPhysical Therapy Assistant1477791499
- Leah OlguinCase Manager/Care Coordinator1679043707
- James Olin, MDPediatric Pulmonology Physician1215083837
- Christa Oliva, DOCTOR OF PHARMACYPharmacist1114569662
- Elishia Oliva, MDPsychiatry Physician1760529044
- Dayana Olivares, PA-CSurgical Physician Assistant1609281864
- Heidi OlivasRegistered Nurse1376318261
- Pedro OlivasAssistant Behavior Analyst1487220620
- Gladis Olivas PortilloInterpreter1578351490
- Elvira Olivas RangelProfessional Counselor1992672794
- Brian OliverPhysical Therapist1194215343
- Chandra Oliver, ACA.0007657 NLC.0109Addiction (Substance Use Disorder) Counselor1275121907
- Danielle OliverMental Health Counselor1336732346
- Leah OliverClinical Social Worker1699509463
- Leon Oliver, BAClinical Social Worker1649576901
- Shannon OliverSocial Worker1588517239
- Terell OliverProsthetics Case Management1043464712
The largest Colorado cities
- Colorado Springs19,771
- Aurora17,400
- Fort Collins6,928
- Boulder5,635
- Lakewood4,944
How to read this directory
Denver, Colorado appears in the CMS National Plan and Provider Enumeration System with 25,068 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Denver - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Denver practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.
The provider mix in Denver is weighted toward Clinical Social Worker (1,836 clinicians, followed by Mental Health Counselor with 1,587 and Professional Counselor with 1,126). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to Colorado's population, Denver reports roughly 426.5 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.
For Denver patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.
For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.
Common questions
How many doctors are in Denver, CO?
There are 25,068 registered healthcare providers in Denver, CO, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Denver?
The most common specialties in Denver are Clinical Social Worker, Mental Health Counselor, Professional Counselor, Registered Nurse, Behavior Technician. Clinical Social Worker has the most providers with 1,836.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.
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.