NPPES file of Aug 9, 2026

Zachary Patrick Fallon, M.D.

Physical Medicine & Rehabilitation Physician · Saint Peters, MO

Zachary Patrick Fallon, M.D. is a physical medicine & rehabilitation physician with a practice address in Saint Peters, Missouri, and NPI 1225491004, issued on Mar 30, 2016. Check the license (Missouri 2022008983, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225491004
Name
Zachary Patrick Fallon
Credential
M.D.
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License numbers
2022008983 MO
41415 AL
Self-reported in NPPES; status is on the state search
Practice location
5200 Executive Centre Pkwy Ste 300, Saint Peters, MO 63376
Phone
(636) 441-3444
Enumerated
Mar 30, 2016
Record last updated
Sep 20, 2022
Fax
(636) 441-9832
Medicare enrollment
Enrolled (PECOS I20220429001326); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5200 Executive Centre Pkwy Ste 300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Samantha Bunch, APRN FNP-BCPrimary Care Nurse Practitioner1679247019
  2. Karly Sheppard, FNP-CFamily Nurse Practitioner1811799604

Verify Zachary Patrick Fallon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2022008983
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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7% more Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

780 Medicare Part D claims for 284 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 422 claims were for opioids.

  1. Zachary Fallon780
  2. Specialty average727

Most prescribed

  1. Oxycodone-Acetaminophen141 claims
  2. Hydrocodone-Acetaminophen139 claims
  3. Tramadol Hcl130 claims
  4. Gabapentin72 claims
  5. Naproxen64 claims
  6. Cyclobenzaprine Hcl49 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $636.68

14 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 3,895 providers of this specialty with any payment received $1,237.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Zachary Fallon$636.68
  2. Specialty average$1,237.86

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Aging Well Health Care, LLCSaint Louis, MO
  2. St Peters Bone And Joint Surgery IncO Fallon, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Zachary Patrick Fallon among 282 physical medicine & rehabilitation physician records in Missouri

Zachary Patrick Fallon, M.D. is one of 282 physical medicine & rehabilitation physician records with a practice address in Missouri. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 62% of them.

  • NPI issued2016 · 62% of these records are older, 35% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2016 · median 2008 among the 145 with a school on file
  • Record last updated2022 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in Missouri

There are 282 physical medicine & rehabilitation physician records in Missouri.

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Boris Khariton, M.D.Saint Peters, MO 633761205896495
  2. Josefina VandiverSaint Peters, MO 633761972341345
  3. Pin-Wen Chen, MDO Fallon, MO 633681740779156
  4. Benjamin Schaub, PT, DPTO Fallon, MO 633681740416965
  5. Brittany Dukes, MDLake St Louis, MO 633671699237859
  6. Meghan RoeschWeldon Spring, MO 633041700266590
  7. Dharmasumvardhini Sankaran, M.D.St Charles, MO 633031932221223
  8. Ruthann KiehlPalmyra, MO 634611659005213

Common questions

What is Zachary Patrick Fallon, M.D.'s NPI number?

Zachary Patrick Fallon, M.D.'s National Provider Identifier (NPI) is 1225491004, issued on Mar 30, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Zachary Patrick Fallon, M.D. located?

The NPPES record lists a practice address at 5200 Executive Centre Pkwy Ste 300, Saint Peters, MO, 63376. Phone: (636) 441-3444. Providers update this record themselves, so call before visiting.

How can I verify Zachary Patrick Fallon, M.D.'s license?

NPPES lists Missouri license number 2022008983, 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 Zachary Patrick Fallon, M.D. prescribe under Medicare Part D?

In 2024, Zachary Patrick Fallon, M.D. had 780 Medicare Part D claims for 284 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.

What is Zachary Patrick Fallon, M.D.'s MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.