Doctor profile · Federal record

Dr. Harold Doll, MD

Nephrology Physician (CMS: Nephrology) · Tallahassee, FL

  • NPI 1093717654
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2617 Mitcham Dr Ste 102
Tallahassee, FL 323085479
(850) 878-1171
fax (850) 942-1291

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
February 5, 2020
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Florida #ME48984
Medicaid
FL #060754100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093717654. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,265
Distinct HCPCS
9
Medicare allowed
$245,237
HCPCS Description Services Patients Avg allowed
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 402 68 $347
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 384 129 $79
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 175 58 $288
99214 Established patient office or other outpatient visit, 30-39 minutes 145 109 $81
90970 Dialysis services, per day, less than full month service (20 years or older) 72 27 $9
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 30 29 $130
99204 New patient office or other outpatient visit, 45-59 minutes 27 27 $164
90962 Dialysis services, 1 physician visit per month (20 years or older) 18 11 $198
99213 Established patient office or other outpatient visit, 20-29 minutes 12 12 $71

In context: peer comparison

Among 3 peers in this city , average services per provider: 112. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,231
Patients
395
Total drug cost
$106,513
Drug Type Claims Patients Total cost
Carvedilol Generic 228 77 $3,203
Furosemide Generic 148 58 $1,425
Nifedipine Er (Nifedipine) Brand 127 46 $7,705
Amlodipine Besylate Generic 114 45 $1,390
Losartan Potassium Generic 101 35 $1,853
Farxiga (Dapagliflozin Propanediol) Brand 76 17 $53,112
Allopurinol Generic 72 22 $1,222
Prednisone Generic 69 14 $569
Calcium Acetate Generic 47 17 $5,538
Clinisol (Parenteral Amino Acid 15% No.5) Brand 45 0 $6,411

Frequently asked questions

Auto-generated from federal data
What is Dr. Harold Doll's medical specialty?
Dr. Harold Doll practices Nephrology Physician in Tallahassee, FL.
Where does Dr. Harold Doll practice?
Dr. Harold Doll practices at 2617 Mitcham Dr Ste 102, Tallahassee, FL 323085479. Office phone: 8508781171.
What is Dr. Harold Doll's NPI?
Dr. Harold Doll's National Provider Identifier (NPI) is 1093717654, issued by NPPES.
Does Dr. Harold Doll accept Medicare assignment?
Yes. Dr. Harold Doll accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harold Doll commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961). Source: CMS Medicare Physician & Other Practitioners file.