Cliff Gronseth, MD
Physical Medicine & Rehabilitation Physician · Boulder, CO
Cliff Gronseth, MD is a physical medicine & rehabilitation physician with a practice address in Boulder, Colorado, and NPI 1811983802, issued on Sep 23, 2005. Check the license (Colorado 35231, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Cliff Gronseth
- Credential
- MD
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- 35231 CO
Self-reported in NPPES; status is on the state search - Practice location
- 5387 Manhattan Cir, Boulder, CO 80303
- Phone
- (303) 494-7773
- Enumerated
- Sep 23, 2005
- Record last updated
- May 4, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (303) 494-1104
- Medicaid ID
- 01352319 CO
- Medicare enrollment
- Enrolled (PECOS I20040615001673); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 356 in Colorado → Look up another NPI →
Also registered at 5387 Manhattan Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ian Morlock, NPAcute Care Nurse Practitioner1962031666
- Stephanie PascoeOrthopedic Physical Therapist1992968671
- Jeffrey Ryg, PT, DPTOrthopedic Physical Therapist1346367091
- David Tanner, DONeuromusculoskeletal Medicine & OMM Physician1609897578
- John Tobey, MDPhysical Medicine & Rehabilitation Physician1013902352
- Audrey Waldron, P.T.Physical Therapist1700883782
Verify Cliff Gronseth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 35231Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
425 Medicare Part D claims for 151 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 134 claims were for opioids.
Most prescribed
- Gabapentin122 claims
- Tramadol Hcl103 claims
- Meloxicam57 claims
- Duloxetine Hcl37 claims
- Hydrocodone-Acetaminophen14 claims
- Diclofenac Sodium13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $310.06
15 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,895 providers of this specialty with any payment received $1,237.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Spine West A Professional LLCWheat Ridge, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cliff Gronseth among 356 physical medicine & rehabilitation physician records in Colorado
Cliff Gronseth, MD is one of 356 physical medicine & rehabilitation physician records with a practice address in Colorado. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated1992 · median 2007 among the 165 with a school on file
- Record last updated2017 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in Colorado
There are 356 physical medicine & rehabilitation physician records in Colorado.
All 356 in Colorado → Every provider in Boulder → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Bradley Gale, M.D.Boulder, CO 803031447670971
- Britt Garcia, PTBoulder, CO 803031053805192
- Justin Green, M.D.Boulder, CO 803031841355971
- Maureen Rimar, PTBoulder, CO 803031801077359
- Julie Stapleton, M.D.Boulder, CO 803031225193279
- John Tobey, MDBoulder, CO 803031013902352
- Phil Cambe, M.D.Boulder, CO 803041407839301
- Mark Chan, M.D.Boulder, CO 803041255569638
Common questions
What is Cliff Gronseth, MD's NPI number?
Cliff Gronseth, MD's National Provider Identifier (NPI) is 1811983802, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Cliff Gronseth, MD located?
The NPPES record lists a practice address at 5387 Manhattan Cir, Boulder, CO, 80303. Phone: (303) 494-7773. Providers update this record themselves, so call before visiting.
How can I verify Cliff Gronseth, MD's license?
NPPES lists Colorado license number 35231, 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.
How much does Cliff Gronseth, MD prescribe under Medicare Part D?
In 2024, Cliff Gronseth, MD had 425 Medicare Part D claims for 151 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
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.