Maxwell Leffler, DO
NPI 1255893822 · Emergency Medicine Physician · Adrian, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maxwell Leffler, DO is a Emergency Medicine Physician provider in Adrian, MI (NPI 1255893822).
Provider details
- NPI number
- 1255893822
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
455 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 230 | $170 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 112 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 85 | $116 |
| Critical Care, First 30-74 Minutes99291 | 28 | $204 |
Typical Medicare-allowed amounts for these services range $8–$204 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 68 | 65 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 45 | 45 |
| Cephalexin | 38 | 37 |
| Doxycycline Hyclate | 32 | 32 |
| Prednisone | 28 | 24 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 24 | 24 |
| Azithromycin | 18 |
Practice location
Mailing address
Additional practice locations (1)
- 36500 S Gratiot AveClinton Twp, MI 48035-1772Phone: (586) 790-9003
Registry dates
- Enumerated
- 2019-04-03
- Last updated
- 2022-09-16
- Certified
- 2022-09-16
Frequently asked questions
- What is Maxwell Leffler's NPI number?
- Maxwell Leffler's National Provider Identifier (NPI) is 1255893822, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maxwell Leffler's specialty?
- Maxwell Leffler is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maxwell Leffler located?
- Maxwell Leffler's practice location on file with NPPES is 5640 N Adrian Hwy, Adrian, MI 49221-8318.
- What is Maxwell Leffler's phone number?
- The practice phone number listed in the NPPES registry for Maxwell Leffler is (517) 920-3375.
- Does Maxwell Leffler accept Medicare?
- Maxwell Leffler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maxwell Leffler's NPI active?
- Yes — Maxwell Leffler's NPI (1255893822) is active in the NPPES registry as of the last update on 2022-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.