Dr. Grant Hayes Thomas, DO
Dr. Grant Hayes Thomas, DO is a Family Practice in Castle Rock, Colorado. Graduated from Campbell Univ School of Osteopathic Medicine in 2022, 4 years ago. Practices with Colorado Permanente Medical Group PC, a 1,325-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Colorado.
- Years since qualifying
- 4
- Trained at
- Campbell Univ School of Osteopathic Medicine
- Licensed in
- CO
- In the registry since
- 2022
- Specialties on file
- 2
What do these letters mean?
- DO — Doctor of Osteopathic Medicine
- A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.
Practice location Address checks out
4318 Trail Boss DrCastle Rock, CO 80104-7512
Phone: (303) 338-4545
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (1)
- 601 E Hampden Ave Ste 470, Englewood, CO 80113-2797 — (303) 788-3100
Specialties & licences
| Family Medicine Physician (primary) | Taxonomy 207Q00000X · Licence DR.0074262 (CO) |
|---|---|
| Student in an Organized Health Care Education/Training Program | Taxonomy 390200000X |
Record details
| NPI number | 1972253169 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | DO |
| Sole proprietor | No |
| NPI enumerated | March 28, 2022 |
| Last updated in NPPES | August 29, 2025 |
| Certification date | August 29, 2025 |
| Mailing address | 10350 E Dakota Ave, Denver, CO 80247-1314 |
Medicare enrollment
| Medicare specialty | FAMILY PRACTICE |
|---|---|
| Medical school | CAMPBELL UNIV SCHOOL OF OSTEOPATHIC MEDICINE |
| Graduated | 2022 (4 years in practice) |
| Group practice | Colorado Permanente Medical Group Pc — 1325 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
Other providers in Castle Rock
-
Ronnie Leann Pollard, DPM
2352 Meadows Blvd Ste 270, Castle Rock, CO 80109-8412 · (303) 814-1082
-
Avery Sheiner, PA-C
4350 Limelight Ave # 205, Castle Rock, CO 80109-8034 · (303) 524-5112
-
Dr. Kelsey Elizabeth Smithart, DO, MPH
4404 Barranca Ln Unit 101, Castle Rock, CO 80104-7432 · (720) 733-5290
-
MS. Barbara Elizabeth Solis
1055 Highland Ridge Way Apt 103, Castle Rock, CO 80109-7773 · (303) 570-2722
-
Kelsey Vogel
170 Satsuma Pl, Castle Rock, CO 80104-2712 · (720) 926-0920