Madison Masters, PA-C
NPI 1477120426 · Physician Assistant · South Lyon, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Madison Masters, PA-C is a Physician Assistant provider in South Lyon, MI (NPI 1477120426).
Provider details
- NPI number
- 1477120426
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
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 tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
8 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
441 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 364 | $101 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 44 | $73 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 33 | $131 |
Typical Medicare-allowed amounts for these services range $73–$131 (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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 395 | 115 |
| Famotidine | 340 | 92 |
| Pantoprazole Sodium | 161 | 55 |
| Linaclotidebrand: Linzess | 112 | 34 |
| Dicyclomine Hcl | 103 | 43 |
| Metoclopramide Hcl | 35 | — |
| Sucralfate | 29 | 13 |
| Esomeprazole Magnesium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,249 across 109 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
Additional practice locations (7)
- 1136 Country Club Rd Unit CAdrian, MI 49221-8209Phone: (517) 366-5110Fax: (517) 366-5115
- 7301 Secor RdLambertville, MI 48144-9737Phone: (419) 479-5795Fax: (419) 479-5797
- 417 4th StDefiance, OH 43512-2605Phone: (419) 785-4660Fax: (419) 785-4661
- 341 Trenton AveFindlay, OH 45840-3745Phone: (567) 250-8212Fax: (567) 250-8318
- 1070 N Shoop AveWauseon, OH 43567-1821Phone: (419) 330-5200Fax: (419) 330-5201
- 1090 N Shoop AveWauseon, OH 43567-1821Phone: (419) 330-5200Fax: (419) 330-5201
- 1100 W Main StWoodville, OH 43469-9723Phone: (419) 724-5820Fax: (419) 724-5821
Registry dates
- Enumerated
- 2021-06-08
- Last updated
- 2025-06-02
- Certified
- 2025-06-02
Frequently asked questions
- What is Madison Masters's NPI number?
- Madison Masters's National Provider Identifier (NPI) is 1477120426, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madison Masters's specialty?
- Madison Masters is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Madison Masters located?
- Madison Masters's practice location on file with NPPES is 106 S Lafayette St, South Lyon, MI 48178-1404.
- What is Madison Masters's phone number?
- The practice phone number listed in the NPPES registry for Madison Masters is (947) 348-1176.
- Does Madison Masters accept Medicare?
- Madison Masters is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Madison Masters's NPI active?
- Yes — Madison Masters's NPI (1477120426) is active in the NPPES registry as of the last update on 2025-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.