Harold Doll, MD
NPI 1093717654 · Nephrology Physician · Tallahassee, FL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harold Doll, MD is a Nephrology Physician provider in Tallahassee, FL (NPI 1093717654).
Provider details
- NPI number
- 1093717654
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME48984 (FL)
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
872 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) |
|---|---|---|
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 292 | $354 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 158 | $80 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 144 | $129 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 143 | $294 |
| Dialysis Services, Per Day, Less Than Full Month Service (20 Years Or Older)90970 | 56 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carvedilol | 264 | 86 |
| Amlodipine Besylate | 125 | 44 |
| Furosemide | 123 | 50 |
| Losartan Potassium | 117 | 44 |
| Dapagliflozin Propanediolbrand: Farxiga | 99 | 26 |
| Nifedipinebrand: Nifedipine Er | 90 | 36 |
| Prednisone | 70 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-12
- Last updated
- 2020-02-05
- Certified
- 2020-02-05
Frequently asked questions
- What is Harold Doll's NPI number?
- Harold Doll's National Provider Identifier (NPI) is 1093717654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Doll's specialty?
- Harold Doll is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Harold Doll located?
- Harold Doll's practice location on file with NPPES is 2617 Mitcham Dr Ste 102, Tallahassee, FL 32308-5479.
- What is Harold Doll's phone number?
- The practice phone number listed in the NPPES registry for Harold Doll is (850) 878-1171.
- Does Harold Doll accept Medicare?
- Harold Doll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harold Doll's NPI active?
- Yes — Harold Doll's NPI (1093717654) is active in the NPPES registry as of the last update on 2020-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.