Doctors and health care providers in Boulder, CO
5,635 individual NPPES records list a practice address in Boulder, 5th of 193 Colorado cities. The largest group is mental health counselor: 1,009, 18% of the city's records, against 6% across Colorado. Page 87 of 113.
The 8 largest groups in Boulder
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Boulder in Colorado
- Rank in Colorado5th of 193 cities by records
- Share of the state3.8% of Colorado's records
- Specialties present25 or more taxonomy codes
- Top three groups29.4% of all records
- Mental Health Counselor rank2nd of the 10 Colorado cities with the most
Compared with Colorado as a whole, Boulder has 3.9× the state's share of acupuncturist records and 0.47× its share of behavior technician records.
Providers in Boulder, alphabetically
- Meryl Romer, MA, CACIIIAddiction (Substance Use Disorder) Counselor1316352693
- Allison Romportl, DCChiropractor1194374868
- Christopher Roney, LCSWClinical Social Worker1891165718
- Megan Roney, OTR/LOccupational Therapist1487160065
- Anna Rooney, M.D.Family Medicine Physician1184607772
- Tsunemi Rooney, LPCProfessional Counselor1912214149
- Annsley RoozingMassage Therapist1417302654
- Raymond Roper, DDSDentist1558585851
- Anna RopersBehavior Technician1750108452
- Wesley RosackerMental Health Counselor1649401480
- Marci Roschke, ATCAthletic Trainer1104844018
- Breanna Roscow, M.S.Genetic Counselor (M.S.)1770990103
- Andrew Rose, LPCProfessional Counselor1053658930
- Angela RoseMental Health Counselor1679965123
- Erik Rose, DDSPeriodontics1306697362
- Kelly RoseMental Health Counselor1104044890
- Riese RoseMental Health Counselor1992303911
- Sarah Rose, MA, LPCMental Health Counselor1235678921
- Tanya Rose, L.AC.Acupuncturist1548408750
- Gary Rosen, M.D.Specialist1548354293
- Neil Rosen, PSY.D.Psychoanalysis Psychologist1841452760
- Terri Rosenbaum, M.D.Obstetrics & Gynecology Physician1558344010
- David Rosenthal, M.D.Psychiatry Physician1104195817
- Greg Rosenthal, MA, LPCMental Health Counselor1033757042
- Michelle Rosenthal, LPC, LACProfessional Counselor1316595051
- Susan Rosewell-Jackson, PH.D.Professional Counselor1851610034
- Mirra Roske, MSWMental Health Counselor1023439742
- Jasmine Roske-JonesDoula1366398133
- Jean Rosmarin, PHDPsychologist1023195641
- Martha Rosner, M.A., L.P.C.Mental Health Counselor1386777845
- Blake RossBehavior Technician1932604931
- Debora Ross, LMFTMarriage & Family Therapist1992950331
- Erin RossMental Health Counselor1720537608
- Harry Ross, MDEmergency Medicine Physician1972748309
- Jacquelyn RossProfessional Counselor1205590049
- Janae Ross, PA CPhysician Assistant1093918377
- Marie RossBehavior Analyst1154929156
- Scott Ross, BCBABehavior Analyst1891328399
- Shannon Ross, PAPhysician Assistant1588621445
- Trasa RossiniSurgical Technologist1376664383
- Lilli Rossman, MA, LPCProfessional Counselor1770133324
- Lauren Rosso, PAPhysician Assistant1699420919
- Lindsey Rosso McKoy, L.AC.Acupuncturist1962680496
- Amber Roter, LCSWClinical Social Worker1265045900
- Jennifer Roth, MSWOccupational Therapist1104247840
- Nicole Roth, DPMPodiatrist1770879413
- Merryl Rothaus, LPC, LMHC, ATR-BCMental Health Counselor1366214280
- Beanne Rothenberg, PH.D.Clinical Psychologist1760418180
- Deborah Rothman, MSPTPediatric Physical Therapist1457516429
- Monica Rotner, L.C.S.W., C.A.C. IIIMental Health Counselor1346398534
The largest Colorado cities
- Denver25,068
- Colorado Springs19,771
- Aurora17,400
- Fort Collins6,928
- Lakewood4,944
How to read this directory
Boulder, Colorado appears in the CMS National Plan and Provider Enumeration System with 5,635 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 Boulder - 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 Boulder 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 Boulder is weighted toward Mental Health Counselor (1,009 clinicians, followed by Professional Counselor with 334 and Clinical Social Worker with 316). 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, Boulder reports roughly 95.9 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.
Of Colorado's most common specialties, Student in an Organized Health Care Education/Training Program is the most prominent one with no provider currently listing a Boulder practice address, a coverage gap Boulder patients typically fill by traveling to a larger nearby hub.
For Boulder 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 Boulder, CO?
There are 5,635 registered healthcare providers in Boulder, CO, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Boulder?
The most common specialties in Boulder are Mental Health Counselor, Professional Counselor, Clinical Social Worker, Physical Therapist, Behavior Technician. Mental Health Counselor has the most providers with 1,009.
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.