Doctor profile · Federal record

Dr. Thomas Hastings, MD

Internal Medicine Physician (CMS: Internal Medicine) · Chesterfield, MO

  • NPI 1841281870
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1585 Woodlake Dr, Suite 100
Chesterfield, MO 630175740
(314) 434-4278
fax (314) 851-4466
Mailing address
Po Box 23340
Saint Louis, MO 631563340

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
September 21, 2012
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Missouri #R2K72

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841281870. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,371
Distinct HCPCS
10
Medicare allowed
$47,244
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 215 133 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 178 134 $8
80053 Blood test, comprehensive group of blood chemicals 175 134 $10
99214 Established patient office or other outpatient visit, 30-39 minutes 154 82 $125
84443 Blood test, thyroid stimulating hormone (tsh) 149 124 $16
80061 Blood test, lipids (cholesterol and triglycerides) 145 118 $13
83036 Hemoglobin a1c level 88 65 $10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 84 84 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 69 58 $88
81002 Urinalysis, manual test 25 17 $3

In context: peer comparison

Among 36 peers in Chesterfield Internal Medicine Physician, average services per provider: 125. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$469
Transactions
23
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 6 $143.83
Novo Nordisk INC 3 $58.15
Exact Sciences Corporation 3 $55.18
Lilly USA, LLC 2 $47.08
Pfizer INC. 2 $45.07
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 2 $32.46
E.R. Squibb & Sons, L.L.C. 1 $20.64
GlaxoSmithKline, LLC. 1 $18.28
Bayer Healthcare Pharmaceuticals INC. 1 $17.38
Novartis Pharmaceuticals Corporation 1 $16.94
AstraZeneca Pharmaceuticals Lp 1 $13.76

By nature of payment

Food and Beverage
$469

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,049
Patients
850
Total drug cost
$36,864
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 759 213 $11,301
Lisinopril Generic 422 119 $3,223
Amlodipine Besylate Generic 299 89 $2,433
Levothyroxine Sodium Generic 272 64 $5,061
Hydrochlorothiazide Generic 156 45 $867
Losartan Potassium Generic 153 44 $1,788
Metoprolol Tartrate Generic 148 39 $1,630
Metformin Hcl Generic 139 42 $1,566
Glipizide Generic 107 30 $1,316
Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) Brand 106 29 $1,333

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Hastings's medical specialty?
Dr. Thomas Hastings practices Internal Medicine Physician in Chesterfield, MO.
Where does Dr. Thomas Hastings practice?
Dr. Thomas Hastings practices at 1585 Woodlake Dr, Chesterfield, MO 630175740. Office phone: 3144344278.
What is Dr. Thomas Hastings's NPI?
Dr. Thomas Hastings's National Provider Identifier (NPI) is 1841281870, issued by NPPES.
Does Dr. Thomas Hastings accept Medicare assignment?
Yes. Dr. Thomas Hastings accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Hastings commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.