Geoffrey Mills, M.D. PH.D.
NPI 1659492791 · Family Medicine Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Geoffrey Mills, M.D. PH.D. is a Family Medicine Physician provider in Philadelphia, PA (NPI 1659492791).
Provider details
- NPI number
- 1659492791
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D. PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD435581 (PA)
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
19 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
403 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 123 | $98 |
| 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 | 65 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 63 | $131 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 47 | $49 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 36 | $78 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 82 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 322 | 102 |
| Amlodipine Besylate | 202 | 69 |
| Fluticasone Propionate | 140 | 39 |
| Omeprazole | 131 | 38 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 126 | 38 |
| Levothyroxine Sodium | 104 | 28 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-03
- Last updated
- 2014-07-18
Frequently asked questions
- What is Geoffrey Mills's NPI number?
- Geoffrey Mills's National Provider Identifier (NPI) is 1659492791, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geoffrey Mills's specialty?
- Geoffrey Mills is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Geoffrey Mills located?
- Geoffrey Mills's practice location on file with NPPES is 833 Chestnut St, Philadelphia, PA 19107-4414.
- What is Geoffrey Mills's phone number?
- The practice phone number listed in the NPPES registry for Geoffrey Mills is (215) 955-7190.
- Does Geoffrey Mills accept Medicare?
- Geoffrey Mills is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Geoffrey Mills's NPI active?
- Yes — Geoffrey Mills's NPI (1659492791) is active in the NPPES registry as of the last update on 2014-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.