Joseph Geffen, D.O., M.P.H.
NPI 1588081574 · Internal Medicine Physician · Winter Garden, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Geffen, D.O., M.P.H. is a Internal Medicine Physician provider in Winter Garden, FL (NPI 1588081574).
Provider details
- NPI number
- 1588081574
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O., M.P.H.
- Sex
- Male
- Sole proprietor
- Yes
- License
- OS14492 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
43 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 43 | $124 |
Typical Medicare-allowed amounts for these services range $124–$124 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 145 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 570 | 178 |
| Atorvastatin Calcium | 551 | 151 |
| Amlodipine Besylate | 436 | 132 |
| Lisinopril | 350 | 101 |
| Losartan Potassium | 349 | 105 |
| Levothyroxine Sodium | 274 | 77 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$43 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-03-27
- Last updated
- 2022-08-10
- Certified
- 2022-08-10
Frequently asked questions
- What is Joseph Geffen's NPI number?
- Joseph Geffen's National Provider Identifier (NPI) is 1588081574, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Geffen's specialty?
- Joseph Geffen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Geffen located?
- Joseph Geffen's practice location on file with NPPES is 855 E Plant St Ste 100, Winter Garden, FL 34787-3160.
- What is Joseph Geffen's phone number?
- The practice phone number listed in the NPPES registry for Joseph Geffen is (407) 287-6363.
- Does Joseph Geffen accept Medicare?
- Joseph Geffen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Geffen's NPI active?
- Yes — Joseph Geffen's NPI (1588081574) is active in the NPPES registry as of the last update on 2022-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.