Sterling Maxfield, PA-C
NPI 1437770054 · Medical Physician Assistant · Howell, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sterling Maxfield, PA-C is a Medical Physician Assistant provider in Howell, MI (NPI 1437770054).
Provider details
- NPI number
- 1437770054
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5601009965 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
71 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $77 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 21 | $109 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 17 | $145 |
Typical Medicare-allowed amounts for these services range $77–$145 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 24 | 21 |
| Methylprednisolone | 18 | 18 |
| Cephalexin | 17 | 17 |
| Ibuprofen | 16 | 16 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 15 | 14 |
| Doxycycline Monohydrate | 13 | 12 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-05-05
- Last updated
- 2024-08-23
- Certified
- 2024-08-23
Frequently asked questions
- What is Sterling Maxfield's NPI number?
- Sterling Maxfield's National Provider Identifier (NPI) is 1437770054, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sterling Maxfield's specialty?
- Sterling Maxfield is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sterling Maxfield located?
- Sterling Maxfield's practice location on file with NPPES is 6187 Oak Grove Rd, Howell, MI 48855-8247.
- What is Sterling Maxfield's phone number?
- The practice phone number listed in the NPPES registry for Sterling Maxfield is (517) 518-4212.
- Does Sterling Maxfield accept Medicare?
- Sterling Maxfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sterling Maxfield's NPI active?
- Yes — Sterling Maxfield's NPI (1437770054) is active in the NPPES registry as of the last update on 2024-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.