Holyn Davis, PA-C
NPI 1841695152 · Medical Physician Assistant · West Chester, PA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Holyn Davis, PA-C is a Medical Physician Assistant provider in West Chester, PA (NPI 1841695152).
Provider details
- NPI number
- 1841695152
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- MA057308 (PA)
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
11 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
310 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 | 129 | $79 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 118 | $111 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 22 | $157 |
| Urinalysis, Manual Test81002 | 21 | $3 |
| Administration of Influenza Virus VaccineG0008 | 20 | $33 |
Typical Medicare-allowed amounts for these services range $3–$157 (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 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 98 | 52 |
| Amlodipine Besylate | 84 | 48 |
| Levothyroxine Sodium | 70 | 37 |
| Lisinopril | 69 | 32 |
| Losartan Potassium | 50 | 31 |
| Rosuvastatin Calcium | 50 | 31 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-10-29
- Last updated
- 2014-10-29
Frequently asked questions
- What is Holyn Davis's NPI number?
- Holyn Davis's National Provider Identifier (NPI) is 1841695152, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holyn Davis's specialty?
- Holyn Davis is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Holyn Davis located?
- Holyn Davis's practice location on file with NPPES is 835 W Chester Pike, West Chester, PA 19382-4863.
- What is Holyn Davis's phone number?
- The practice phone number listed in the NPPES registry for Holyn Davis is (610) 696-0127.
- Does Holyn Davis accept Medicare?
- Holyn Davis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Holyn Davis's NPI active?
- Yes — Holyn Davis's NPI (1841695152) is active in the NPPES registry as of the last update on 2014-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.