Ian Parsons, M.D.
NPI 1851421614 · Family Medicine Physician · Centennial, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Parsons, M.D. is a Family Medicine Physician provider in Centennial, CO (NPI 1851421614).
Provider details
- NPI number
- 1851421614
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 42271 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 781 | 221 |
| Levothyroxine Sodium | 482 | 128 |
| Lisinopril | 404 | 124 |
| Simvastatin | 350 | 95 |
| Omeprazole | 308 | 104 |
| Tamsulosin Hcl | 298 | 90 |
| Rosuvastatin Calcium | 276 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-07
- Last updated
- 2021-06-11
- Certified
- 2021-06-11
Frequently asked questions
- What is Ian Parsons's NPI number?
- Ian Parsons's National Provider Identifier (NPI) is 1851421614, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Parsons's specialty?
- Ian Parsons is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ian Parsons located?
- Ian Parsons's practice location on file with NPPES is 5555 E Arapahoe Rd, Centennial, CO 80122-2312.
- What is Ian Parsons's phone number?
- The practice phone number listed in the NPPES registry for Ian Parsons is (303) 338-4545.
- Does Ian Parsons accept Medicare?
- Ian Parsons is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Parsons's NPI active?
- Yes — Ian Parsons's NPI (1851421614) is active in the NPPES registry as of the last update on 2021-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.