Gregory Parkin, MD
NPI 1154360691 · Internal Medicine Physician · Salt Lake City, UT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Parkin, MD is a Internal Medicine Physician provider in Salt Lake City, UT (NPI 1154360691).
Provider details
- NPI number
- 1154360691
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2784501205 (UT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
623 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) |
|---|---|---|
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 191 | $123 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 167 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 95 | $86 |
| Administration of Influenza Virus VaccineG0008 | 55 | $31 |
| Admn Sarscov2 Vacc 1 Dose90480 | 43 | $41 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 126 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 589 | 181 |
| Rosuvastatin Calcium | 400 | 121 |
| Levothyroxine Sodium | 345 | 100 |
| Omeprazole | 291 | 101 |
| Losartan Potassium | 271 | 88 |
| Zolpidem Tartrate | 219 | 48 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2013-04-17
Frequently asked questions
- What is Gregory Parkin's NPI number?
- Gregory Parkin's National Provider Identifier (NPI) is 1154360691, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Parkin's specialty?
- Gregory Parkin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Parkin located?
- Gregory Parkin's practice location on file with NPPES is 389 S 900 E, Salt Lake City, UT 84102-2310.
- What is Gregory Parkin's phone number?
- The practice phone number listed in the NPPES registry for Gregory Parkin is (385) 282-2000.
- Does Gregory Parkin accept Medicare?
- Gregory Parkin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Parkin's NPI active?
- Yes — Gregory Parkin's NPI (1154360691) is active in the NPPES registry as of the last update on 2013-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.