Doctor profile · Federal record

Dr. John Whelan, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Family Medicine Physician · Durham, NC

  • NPI 1932202116
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4205 Ben Franklin Blvd
Durham, NC 277042143
(919) 477-6900
fax (919) 477-5081
Mailing address
Po Box 60447
Charlotte, NC 282600447

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
March 18, 2015
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
North Carolina #96-01523
Medicaid
NC #8986740

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932202116. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,224
Distinct HCPCS
10
Medicare allowed
$127,129
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 379 223 $123
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 238 238 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 117 103 $86
83036 Hemoglobin a1c level 114 80 $10
G0008 Administration of influenza virus vaccine 62 61 $29
90662 Influenza vaccine split virus, preservative free 61 60 $72
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 57 57 $282
G0009 Administration of pneumococcal vaccine 57 57 $29
99215 Established patient office or other outpatient visit, 40-54 minutes 49 45 $172
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 24 23 $14

In context: peer comparison

Among 102 peers in Durham Internal Medicine Physician, average services per provider: 72. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$221
Transactions
11
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Dexcom, INC. 3 $69.53
Novo Nordisk INC 2 $38.73
Lilly USA, LLC 2 $36.97
Gilead Sciences, INC. 1 $28.20
Exact Sciences Corporation 1 $17.85
AstraZeneca Pharmaceuticals Lp 1 $16.56
Amgen INC. 1 $13.63

By nature of payment

Food and Beverage
$221

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,576
Patients
1,147
Total drug cost
$464,795
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 532 165 $8,315
Rosuvastatin Calcium Generic 474 151 $8,075
Metoprolol Succinate Generic 317 101 $6,179
Amlodipine Besylate Generic 299 100 $3,009
Levothyroxine Sodium Generic 257 79 $4,132
Losartan Potassium Generic 252 76 $3,345
Jardiance (Empagliflozin) Brand 223 60 $231,479
Duloxetine Hcl Generic 179 61 $5,588
Metformin Hcl ER (Metformin Hcl) Brand 171 58 $2,781
Eliquis (Apixaban) Brand 169 43 $181,072

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Whelan's medical specialty?
Dr. John Whelan practices Internal Medicine Physician in Durham, NC.
Where does Dr. John Whelan practice?
Dr. John Whelan practices at 4205 Ben Franklin Blvd, Durham, NC 277042143. Office phone: 9194776900.
What is Dr. John Whelan's NPI?
Dr. John Whelan's National Provider Identifier (NPI) is 1932202116, issued by NPPES.
Does Dr. John Whelan accept Medicare assignment?
Yes. Dr. John Whelan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Whelan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.