Doctor profile · Federal record

Dr. Timothy Whelan, MD

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Pulmonary Disease Physician · Charleston, SC

  • NPI 1689767212
  • Accepts Medicare
  • 31 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
171 Ashley Ave
Charleston, SC 294258908
(843) 792-1414
fax (843) 792-1729
Mailing address
Po Box 751461
Charlotte, NC 282751461

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 30, 2010
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State licenses (2)
South Carolina #TL 32438 · Minnesota #46312
Medicaid (6)
MT #0064770 · MN #514140100 · IA #0569293 · ND #10387 · SD #7777470 · WI #34428700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689767212. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
269
Distinct HCPCS
6
Medicare allowed
$31,118
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 101 20 $113
99215 Established patient office or other outpatient visit, 40-54 minutes 74 53 $131
99214 Established patient office or other outpatient visit, 30-39 minutes 30 23 $92
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 27 11 $75
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 21 17 $165
99239 Hospital discharge day management, more than 30 minutes 16 12 $108

In context: peer comparison

Among 12 peers in this city , average services per provider: 53. This provider delivers 5.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$10,083
Transactions
8
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boehringer Ingelheim Pharmaceuticals, Inc. 8 $10,083.35

By nature of payment

Consulting Fee
$8,169
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$1,740
Travel and Lodging
$140
Food and Beverage
$35

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
497
Patients
77
Total drug cost
$1,421,189
Drug Type Claims Patients Total cost
Ofev (Nintedanib Esylate) Brand 96 22 $1,213,862
Prednisone Generic 60 25 $881
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 48 17 $442
Pirfenidone Generic 44 0 $170,040
Azithromycin Generic 43 13 $506
Atovaquone Generic 26 0 $25,394
Tamsulosin Hcl Generic 24 0 $219
Valganciclovir Hcl Generic 24 0 $4,781
Pravastatin Sodium Generic 23 0 $395
Acyclovir Generic 22 0 $178

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Whelan's medical specialty?
Dr. Timothy Whelan practices Pulmonary Disease Physician in Charleston, SC.
Where does Dr. Timothy Whelan practice?
Dr. Timothy Whelan practices at 171 Ashley Ave, Charleston, SC 294258908. Office phone: 8437921414.
What is Dr. Timothy Whelan's NPI?
Dr. Timothy Whelan's National Provider Identifier (NPI) is 1689767212, issued by NPPES.
Does Dr. Timothy Whelan accept Medicare assignment?
Yes. Dr. Timothy Whelan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Whelan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.