Ryan Vandermark, PA-C
NPI 1144749631 · Physician Assistant · Harrisburg, PA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Vandermark, PA-C is a Physician Assistant provider in Harrisburg, PA (NPI 1144749631).
Provider details
- NPI number
- 1144749631
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- MA059266 (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
8 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
122 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 | 38 | $72 |
| X-Ray of Knee, 3 Views73562 | 18 | $33 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 15 | $164 |
| Removal of Extensive Shoulder Joint Tissue Using an Endoscope29823 | 14 | $25 |
| Repair of Shoulder Rotator Cuff Using an Endoscope29827 | 14 | $128 |
| Shaving of Part of Shoulder Bone and Repair of Ligament Using an Endoscope29826 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 94 | 92 |
| Oxycodone Hcl | 82 | 82 |
| Tramadol Hcl | 78 | 77 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 58 | 58 |
| Ondansetronbrand: Ondansetron Odt | 57 | 57 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 53 | 51 |
| Celecoxib |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-09-15
- Last updated
- 2021-01-09
- Certified
- 2021-01-09
Frequently asked questions
- What is Ryan Vandermark's NPI number?
- Ryan Vandermark's National Provider Identifier (NPI) is 1144749631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Vandermark's specialty?
- Ryan Vandermark is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ryan Vandermark located?
- Ryan Vandermark's practice location on file with NPPES is 4300 Londonderry Rd, Harrisburg, PA 17109-5317.
- What is Ryan Vandermark's phone number?
- The practice phone number listed in the NPPES registry for Ryan Vandermark is (717) 988-0000.
- Does Ryan Vandermark accept Medicare?
- Ryan Vandermark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Vandermark's NPI active?
- Yes — Ryan Vandermark's NPI (1144749631) is active in the NPPES registry as of the last update on 2021-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.