Mark Voyack, PA-C
NPI 1538755277 · Surgical Physician Assistant · Allentown, PA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Voyack, PA-C is a Surgical Physician Assistant provider in Allentown, PA (NPI 1538755277).
Provider details
- NPI number
- 1538755277
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- MA062148 (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 tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,561 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 616 | $73 |
| Automated Urinalysis Test81003 | 316 | $2 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 233 | $101 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 196 | $10 |
| Administration of Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96402 | 56 | $28 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 45 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 630 | 240 |
| Cefuroxime Axetilbrand: Cefuroxime | 141 | 127 |
| Finasteride | 125 | 44 |
| Diazepam | 73 | 69 |
| Cephalexin | 67 | 64 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 54 | 47 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$706 across 14 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
Registry dates
- Enumerated
- 2020-12-16
- Last updated
- 2020-12-16
- Certified
- 2020-12-16
Frequently asked questions
- What is Mark Voyack's NPI number?
- Mark Voyack's National Provider Identifier (NPI) is 1538755277, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Voyack's specialty?
- Mark Voyack is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Voyack located?
- Mark Voyack's practice location on file with NPPES is 1200 S Cedar Crest Blvd, Allentown, PA 18103-6202.
- What is Mark Voyack's phone number?
- The practice phone number listed in the NPPES registry for Mark Voyack is (610) 402-8000.
- Does Mark Voyack accept Medicare?
- Mark Voyack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Voyack's NPI active?
- Yes — Mark Voyack's NPI (1538755277) is active in the NPPES registry as of the last update on 2020-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.