Mary Tisch, PA
NPI 1558566455 · Physician Assistant · Fairfax, VA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Tisch, PA is a Physician Assistant provider in Fairfax, VA (NPI 1558566455).
Provider details
- NPI number
- 1558566455
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 0110003594 (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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
28 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 | 15 | $120 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 13 | $14 |
Typical Medicare-allowed amounts for these services range $14–$120 (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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 84 | 38 |
| Amlodipine Besylate | 79 | 24 |
| Apixabanbrand: Eliquis | 72 | 32 |
| Metoprolol Succinate | 66 | 34 |
| Losartan Potassium | 34 | 16 |
| Rosuvastatin Calcium | 33 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$455 across 15 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
Additional practice locations (1)
- 2901 Telestar Ct.#200Falls Church, VA 22042-1262Phone: (703) 573-3494Fax: (703) 573-5353
Registry dates
- Enumerated
- 2007-06-19
- Last updated
- 2021-08-27
- Certified
- 2021-08-27
Frequently asked questions
- What is Mary Tisch's NPI number?
- Mary Tisch's National Provider Identifier (NPI) is 1558566455, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Tisch's specialty?
- Mary Tisch is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Tisch located?
- Mary Tisch's practice location on file with NPPES is 3580 Joseph Siewick Dr Ste 305, Fairfax, VA 22033-1764.
- What is Mary Tisch's phone number?
- The practice phone number listed in the NPPES registry for Mary Tisch is (703) 648-3266.
- Does Mary Tisch accept Medicare?
- Mary Tisch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Tisch's NPI active?
- Yes — Mary Tisch's NPI (1558566455) is active in the NPPES registry as of the last update on 2021-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.