William Gipson, M.D.
NPI 1023003316 · Internal Medicine Physician · Littleton, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Gipson, M.D. is a Internal Medicine Physician provider in Littleton, CO (NPI 1023003316).
Provider details
- NPI number
- 1023003316
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25406 (CO)
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
1,482 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 486 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 308 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 199 | $129 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 186 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 145 | $128 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 111 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 326 | 97 |
| Rosuvastatin Calcium | 261 | 84 |
| Levothyroxine Sodium | 243 | 69 |
| Olmesartan Medoxomil | 140 | 43 |
| Metoprolol Succinate | 128 | 42 |
| Amlodipine Besylate | 104 | 31 |
| Zolpidem Tartrate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-13
- Last updated
- 2018-01-15
Frequently asked questions
- What is William Gipson's NPI number?
- William Gipson's National Provider Identifier (NPI) is 1023003316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Gipson's specialty?
- William Gipson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Gipson located?
- William Gipson's practice location on file with NPPES is 1420 W Canal Ct, Littleton, CO 80120-5656.
- What is William Gipson's phone number?
- The practice phone number listed in the NPPES registry for William Gipson is (303) 791-7540.
- Does William Gipson accept Medicare?
- William Gipson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Gipson's NPI active?
- Yes — William Gipson's NPI (1023003316) is active in the NPPES registry as of the last update on 2018-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.