Doctor profile · Federal record

Dr. Aaron Tolan, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Pediatrics Physician · Pediatrics Physician · Clemson, SC

  • NPI 1881909596
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 Chapman Hill RD
Clemson, SC 296312194
(864) 653-4071
fax (864) 653-4074
Mailing address
300 E McBee Ave Fl 4
Greenville, SC 296012842

Credentials & registration

NPPES · NUCC
NPI registered
August 2010 — 16 yrs on file
Profile last updated
May 11, 2021
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
South Carolina #84139 · Michigan #4301096993

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881909596. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
981
Distinct HCPCS
10
Medicare allowed
$85,660
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 427 147 $118
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 111 28 $59
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 99 99 $121
83036 Hemoglobin a1c level 65 33 $9
G0008 Administration of influenza virus vaccine 55 53 $29
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 52 26 $44
90662 Influenza vaccine split virus, preservative free 49 47 $72
81003 Automated urinalysis test 28 18 $2
99213 Established patient office or other outpatient visit, 20-29 minutes 28 25 $82
71046 X-ray of chest, 2 views 15 12 $21

In context: peer comparison

Among 3 peers in this city , average services per provider: 111. This provider delivers 8.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,795
Transactions
98
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 36 $614.29
Novo Nordisk Inc 12 $169.08
PFIZER INC. 8 $145.31
Teva Pharmaceuticals USA, Inc. 8 $136.54
Eisai Inc. 4 $99.19
GlaxoSmithKline, LLC. 6 $95.76
Lundbeck LLC 4 $87.59
Alexion Pharmaceuticals, Inc. 3 $69.57
Otsuka America Pharmaceutical, Inc. 3 $55.99
Lilly USA, LLC 4 $55.89
Neurocrine Biosciences, Inc. 2 $47.78
AstraZeneca Pharmaceuticals LP 3 $42.96
Neurelis, Inc. 2 $40.97
Vanda Pharmaceuticals Inc. 2 $34.90
Edwards Lifesciences Corporation 1 $20.76

By nature of payment

Food and Beverage
$1,795

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,528
Patients
435
Total drug cost
$26,409
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 282 79 $4,955
Amlodipine Besylate Generic 140 41 $822
Levothyroxine Sodium Generic 131 30 $1,540
Rosuvastatin Calcium Generic 122 32 $2,679
Losartan Potassium Generic 108 33 $1,748
Pantoprazole Sodium Generic 101 31 $1,567
Lisinopril Generic 88 27 $1,092
Metformin Hcl Generic 83 23 $652
Metoprolol Succinate Generic 80 22 $2,076
Gabapentin Generic 79 25 $2,006

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Tolan's medical specialty?
Dr. Aaron Tolan practices Internal Medicine Physician in Clemson, SC.
Where does Dr. Aaron Tolan practice?
Dr. Aaron Tolan practices at 101 Chapman Hill RD, Clemson, SC 296312194. Office phone: 8646534071.
What is Dr. Aaron Tolan's NPI?
Dr. Aaron Tolan's National Provider Identifier (NPI) is 1881909596, issued by NPPES.
Does Dr. Aaron Tolan accept Medicare assignment?
Yes. Dr. Aaron Tolan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Tolan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Chronic care management services (HCPCS 99490); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.