Cynthia Martin, PA-C
NPI 1821198839 · Medical Physician Assistant · Green Bay, WI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Martin, PA-C is a Medical Physician Assistant provider in Green Bay, WI (NPI 1821198839).
Provider details
- NPI number
- 1821198839
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 1359-023 (WI)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
108 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 | 89 | $75 |
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 19 | $3 |
Typical Medicare-allowed amounts for these services range $3–$75 (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 |
|---|---|---|
| Prednisone | 54 | 51 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 47 | 47 |
| Cephalexin | 27 | 27 |
| Cefdinir | 18 | 18 |
| Azithromycin | 14 | 14 |
| Fluticasone Propionate | 14 | 14 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 13 | — |
Practice location
Mailing address
Additional practice locations (1)
- 2793 Lineville RdGreen Bay, WI 54313-7152Phone: (715) 610-4067
Registry dates
- Enumerated
- 2006-09-22
- Last updated
- 2022-02-23
- Certified
- 2022-02-23
Frequently asked questions
- What is Cynthia Martin's NPI number?
- Cynthia Martin's National Provider Identifier (NPI) is 1821198839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Martin's specialty?
- Cynthia Martin is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cynthia Martin located?
- Cynthia Martin's practice location on file with NPPES is 835 S Van Buren St, Green Bay, WI 54301-3526.
- What is Cynthia Martin's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Martin is (920) 433-8384.
- Does Cynthia Martin accept Medicare?
- Cynthia Martin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Martin's NPI active?
- Yes — Cynthia Martin's NPI (1821198839) is active in the NPPES registry as of the last update on 2022-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.