Pierce Lewien
NPI 1295354983 · Internal Medicine Physician · Grand Junction, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Pierce Lewien is a Internal Medicine Physician provider in Grand Junction, CO (NPI 1295354983).
Provider details
- NPI number
- 1295354983
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
186 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 69 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 29 | $117 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 27 | $128 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 23 | $113 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 21 | $170 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 17 |
Practice location
Mailing address
Additional practice locations (1)
- 1111 E Mcdowell RdPhoenix, AZ 85006-2612Phone: (602) 839-2000
Registry dates
- Enumerated
- 2020-04-13
- Last updated
- 2024-05-21
- Certified
- 2024-05-21
Frequently asked questions
- What is Pierce Lewien's NPI number?
- Pierce Lewien's National Provider Identifier (NPI) is 1295354983, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Pierce Lewien's specialty?
- Pierce Lewien is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Pierce Lewien located?
- Pierce Lewien's practice location on file with NPPES is 2351 G Rd, Grand Junction, CO 81505-9641.
- What is Pierce Lewien's phone number?
- The practice phone number listed in the NPPES registry for Pierce Lewien is (970) 242-0920.
- Does Pierce Lewien accept Medicare?
- Pierce Lewien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Pierce Lewien's NPI active?
- Yes — Pierce Lewien's NPI (1295354983) is active in the NPPES registry as of the last update on 2024-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.