Doctor profile · Federal record

Dr. Ranjan Mahajan, MD,FACP

Geriatric Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Largo, FL

  • NPI 1861581266
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
150 Clearwater Largo RD N, Ste 2
Largo, FL 337702388
(727) 518-0822
fax (727) 518-6511

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
October 6, 2014
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RG0300X — NUCC code
State license (1)
Florida #ME 0069005
Medicaid
FL #378547500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861581266. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,043
Distinct HCPCS
10
Medicare allowed
$397,767
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,667 535 $90
36415 Insertion of needle into vein for collection of blood sample 925 412 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 552 315 $67
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 498 120 $80
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 401 401 $72
81003 Automated urinalysis test 177 124 $2
99204 New patient office or other outpatient visit, 45-59 minutes 141 141 $166
99497 Advance care planning, first 30 minutes 140 114 $25
J1100 Injection, dexamethasone sodium phosphate, 1 mg 118 46 $0
96372 Injection of drug or substance under skin or into muscle 117 70 $14

In context: peer comparison

Among 1 peers in this city , average services per provider: 159. This provider delivers 38× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$638
Transactions
29
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 5 $108.12
Janssen Pharmaceuticals, Inc 5 $107.19
GlaxoSmithKline, LLC. 4 $89.02
Phathom Pharmaceuticals, Inc. 2 $81.70
AstraZeneca Pharmaceuticals LP 4 $76.75
Novo Nordisk Inc 3 $55.81
PFIZER INC. 2 $36.22
Lundbeck LLC 1 $28.36
Bayer Healthcare Pharmaceuticals Inc. 1 $19.26
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $17.93
Amgen Inc. 1 $17.50

By nature of payment

Food and Beverage
$638

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
8,324
Patients
2,269
Total drug cost
$349,407
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 1,000 236 $14,091
Atorvastatin Calcium Generic 979 272 $10,455
Rosuvastatin Calcium Generic 760 246 $12,984
Pantoprazole Sodium Generic 686 186 $9,592
Metoprolol Succinate Generic 582 157 $8,996
Lisinopril Generic 572 173 $3,686
Metformin Hcl Generic 557 163 $3,360
Losartan Potassium Generic 545 154 $6,056
Amlodipine Besylate Generic 520 167 $3,388
Gabapentin Generic 403 117 $6,887

Frequently asked questions

Auto-generated from federal data
What is Dr. Ranjan Mahajan's medical specialty?
Dr. Ranjan Mahajan practices Geriatric Medicine (Internal Medicine) Physician in Largo, FL.
Where does Dr. Ranjan Mahajan practice?
Dr. Ranjan Mahajan practices at 150 Clearwater Largo RD N, Largo, FL 337702388. Office phone: 7275180822.
What is Dr. Ranjan Mahajan's NPI?
Dr. Ranjan Mahajan's National Provider Identifier (NPI) is 1861581266, issued by NPPES.
Does Dr. Ranjan Mahajan accept Medicare assignment?
Yes. Dr. Ranjan Mahajan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ranjan Mahajan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.