Dennis Duma, NURSE PRACTITIONER
NPI 1598377020 · Gerontology Nurse Practitioner · Ocala, FL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Duma, NURSE PRACTITIONER is a Gerontology Nurse Practitioner provider in Ocala, FL (NPI 1598377020).
Provider details
- NPI number
- 1598377020
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NURSE PRACTITIONER
- Sex
- Male
- Sole proprietor
- No
- License
- 11008687 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 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
278 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 278 | $98 |
Typical Medicare-allowed amounts for these services range $98–$98 (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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 540 | 209 |
| Pantoprazole Sodium | 427 | 191 |
| Sucralfate | 203 | 89 |
| Omeprazole | 166 | 70 |
| Dicyclomine Hcl | 49 | 31 |
| Linaclotidebrand: Linzess | 42 | 16 |
| Esomeprazole Magnesium | 35 | 13 |
| Vonoprazan Fumarate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$687 across 74 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
- 2020-08-17
- Last updated
- 2020-08-17
- Certified
- 2020-08-17
Frequently asked questions
- What is Dennis Duma's NPI number?
- Dennis Duma's National Provider Identifier (NPI) is 1598377020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Duma's specialty?
- Dennis Duma is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Dennis Duma located?
- Dennis Duma's practice location on file with NPPES is 4534 Sw 63rd St, Ocala, FL 34474-4802.
- What is Dennis Duma's phone number?
- The practice phone number listed in the NPPES registry for Dennis Duma is (352) 804-8426.
- Does Dennis Duma accept Medicare?
- Dennis Duma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Duma's NPI active?
- Yes — Dennis Duma's NPI (1598377020) is active in the NPPES registry as of the last update on 2020-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.