Zachery Mahler, MD
NPI 1831750785 · Family Medicine Physician · Gallatin, MO
Zachery Mahler, MD is a Family Medicine Physician provider in Gallatin, MO (NPI 1831750785).
Provider details
- NPI number
- 1831750785
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- TEP8613 (NE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 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
65 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) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 42 | $46 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 12 | $75 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 11 | $77 |
Typical Medicare-allowed amounts for these services range $46–$77 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 65 | 15 |
| Atorvastatin Calcium | 44 | 20 |
| Amlodipine Besylate | 42 | 15 |
| Potassium Chloride | 40 | 12 |
| Meloxicam | 35 | 21 |
| Gabapentin | 34 | 14 |
| Furosemide | 33 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$629 across 38 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
- 2019-06-21
- Last updated
- 2026-01-27
- Certified
- 2026-01-27
Frequently asked questions
- What is Zachery Mahler's NPI number?
- Zachery Mahler's National Provider Identifier (NPI) is 1831750785, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachery Mahler's specialty?
- Zachery Mahler is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zachery Mahler located?
- Zachery Mahler's practice location on file with NPPES is 103 N Main St, Gallatin, MO 64640-1151.
- What is Zachery Mahler's phone number?
- The practice phone number listed in the NPPES registry for Zachery Mahler is (660) 864-0084.
- Is Zachery Mahler's NPI active?
- Yes — Zachery Mahler's NPI (1831750785) is active in the NPPES registry as of the last update on 2026-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.