Mary Capstack, PA
NPI 1508258013 · Physician Assistant · Harrisonburg, VA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Capstack, PA is a Physician Assistant provider in Harrisonburg, VA (NPI 1508258013).
Provider details
- NPI number
- 1508258013
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 0110004868 (VA)
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
11 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
351 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 | 292 | $78 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 23 | $109 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $53 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 13 | $69 |
Typical Medicare-allowed amounts for these services range $53–$109 (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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 334 | 113 |
| Omeprazole | 244 | 106 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 128 | 115 |
| Linaclotidebrand: Linzess | 106 | 30 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 87 | 84 |
| Dicyclomine Hcl | 67 | 20 |
| Mesalamine | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,016 across 46 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
- 2015-02-21
- Last updated
- 2025-09-29
- Certified
- 2025-09-29
Frequently asked questions
- What is Mary Capstack's NPI number?
- Mary Capstack's National Provider Identifier (NPI) is 1508258013, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Capstack's specialty?
- Mary Capstack is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Capstack located?
- Mary Capstack's practice location on file with NPPES is 1871 Evelyn Byrd Ave, Harrisonburg, VA 22801-3487.
- What is Mary Capstack's phone number?
- The practice phone number listed in the NPPES registry for Mary Capstack is (540) 564-5800.
- Does Mary Capstack accept Medicare?
- Mary Capstack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Capstack's NPI active?
- Yes — Mary Capstack's NPI (1508258013) is active in the NPPES registry as of the last update on 2025-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.