Zachary Fallon, M.D.
NPI 1225491004 · Physical Medicine & Rehabilitation Physician · Saint Peters, MO
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Fallon, M.D. is a Physical Medicine & Rehabilitation Physician provider in Saint Peters, MO (NPI 1225491004).
Provider details
- NPI number
- 1225491004
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 41415 (AL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,060 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 508 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 340 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 337 | $87 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 126 | $243 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 91 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 141 | 24 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 139 | 66 |
| Tramadol Hcl | 130 | 55 |
| Gabapentin | 72 | 43 |
| Naproxen | 64 | 28 |
| Cyclobenzaprine Hcl | 49 | 39 |
| Meloxicam | 39 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$637 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-30
- Last updated
- 2022-09-20
- Certified
- 2022-09-20
Frequently asked questions
- What is Zachary Fallon's NPI number?
- Zachary Fallon's National Provider Identifier (NPI) is 1225491004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Fallon's specialty?
- Zachary Fallon is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Fallon located?
- Zachary Fallon's practice location on file with NPPES is 5200 Executive Centre Pkwy Ste 300, Saint Peters, MO 63376-3394.
- What is Zachary Fallon's phone number?
- The practice phone number listed in the NPPES registry for Zachary Fallon is (636) 441-3444.
- Does Zachary Fallon accept Medicare?
- Zachary Fallon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Fallon's NPI active?
- Yes — Zachary Fallon's NPI (1225491004) is active in the NPPES registry as of the last update on 2022-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.