Thomas F. Hastings, MD
Internal Medicine Physician · Chesterfield, MO
Thomas F. Hastings, MD is an internal medicine physician with a practice address in Chesterfield, Missouri, and NPI 1841281870, issued on Oct 31, 2005. Check the license (Missouri R2K72, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Thomas F. Hastings
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R2K72 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1585 Woodlake Dr, Chesterfield, MO 63017
- Phone
- (314) 434-4278
- Enumerated
- Oct 31, 2005
- Record last updated
- Sep 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (314) 851-4466
- Medicare enrollment
- Enrolled (PECOS I20071204000724); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 1585 Woodlake Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Richard Crandall, MDSpecialist1942317961
- Edwin Cunningham, MDEndocrinology, Diabetes & Metabolism Physician1538267844
- Catherine Doty, MDPhysical Medicine & Rehabilitation Physician1174504161
- Danielle Engle, D.C.Pediatric Chiropractor1942646609
Verify Thomas F. Hastings in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R2K72Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% more Medicare Part D claims than the average internal medicine physician in 2024
5,725 Medicare Part D claims for 493 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 93 claims were for opioids.
Most prescribed
- Atorvastatin Calcium766 claims
- Lisinopril380 claims
- Amlodipine Besylate292 claims
- Levothyroxine Sodium244 claims
- Losartan Potassium180 claims
- Metoprolol Tartrate148 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $468.77
23 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- American Multispecialty Group IncChesterfield, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas F. Hastings among 2,604 internal medicine physician records in Missouri
Thomas F. Hastings, MD is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1986 · median 2006 among the 1,443 with a school on file
- Record last updated2012 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
142 internal medicine physician records list a practice address in Chesterfield
They are 142 of the 2,132 NPPES records with a practice address in Chesterfield, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Chesterfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- John Davidson, MDChesterfield, MO 630171306833801
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- John Helton, MDChesterfield, MO 630171417921156
- Richard Kozeny, MDChesterfield, MO 630171255319810
- Mark Novack, MDChesterfield, MO 630171114918737
- Sanjay Patwardhan, M.D.Chesterfield, MO 630171073583803
Common questions
What is Thomas F. Hastings, MD's NPI number?
Thomas F. Hastings, MD's National Provider Identifier (NPI) is 1841281870, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thomas F. Hastings, MD located?
The NPPES record lists a practice address at 1585 Woodlake Dr, Chesterfield, MO, 63017. Phone: (314) 434-4278. Providers update this record themselves, so call before visiting.
How can I verify Thomas F. Hastings, MD's license?
NPPES lists Missouri license number R2K72, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas F. Hastings, MD prescribe under Medicare Part D?
In 2024, Thomas F. Hastings, MD had 5,725 Medicare Part D claims for 493 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.