Mary C. Tisch, PA
- Medicare patients, 2024
- 25
- Part D claims, 2024
- 819
- MIPS score, 2024
- 83
- Hospital affiliations
- 5
- Industry payments
- $312
- Practice address
- 3300 Gallows Rd, Falls Church, VA 22046
- Practice phone
- Call (703) 698-3659
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Inova Fairfax Hospital - Unit
Acute Care Hospital-Unit · Falls Church, Virginia
Find Mary Tisch's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Mary C. Tisch is a physician assistant in Falls Church, Virginia
Mary Tisch practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia.
Mary Tisch's NPI, 1558566455, was assigned on June 19, 2007. Mary Tisch holds Virginia license 0110003594.
- NPI
- 1558566455NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406949841
- NPI enumeration date
- June 19, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (703) 698-3659
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary C. Tisch practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia
Mary Tisch's primary practice is Inova Fairfax Hospital - Unit, at 3300 Gallows Rd, Falls Church, VA 22046 in Falls Church City. The practice phone is (703) 698-3659.
- Inova Fairfax Hospital - Unit3300 Gallows Rd, Falls Church, VA 22046 · Falls Church CityPhone(703) 698-3659
Source: Dmand AI Affiliation Data
Mary C. Tisch is affiliated with 6 sites of care and 1 medical group
Mary Tisch's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. Mary Tisch is also affiliated with Inova Fairfax Hospital. The medical group on file is Virginia Heart. Dmand AI also links Mary Tisch to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mary C. Tisch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Tisch practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Inova Fairfax Hospital - Unit | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Mary C. Tisch is one of 3,636 physician assistants in Virginia
Physician assistant is Mary Tisch's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mary Tisch is licensed in Virginia.
Specialties and state licenses
- Physician assistant, VirginiaPrimary
Physician assistants near Mary Tisch
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Mary C. Tisch treated 25 Medicare patients in 2024, average age 78
CMS counts 25 Medicare patients who saw Mary Tisch in 2024. The largest group is 75 to 84, with 13 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mary Tisch's median patient age at 71, with 47% women.
Mary Tisch's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mary Tisch's Medicare patients by sex, 2024
- Women1248%
- Men1352%
Chronic conditions among Mary Tisch's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease64%
- Atrial fibrillation48%
Share of Medicare patients with each condition. A patient can have several.
Mary Tisch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mary C. Tisch wrote 819 Medicare Part D claims in 2024
In 2024, Mary Tisch wrote 819 Medicare Part D claims for 188 patients. 82% of them were for generic drugs.
Mary Tisch's Part D claims by kind of drug, 2024
- Generic675 claims82%
- Brand-name144 claims18%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Mary C. Tisch scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Mary Tisch for performance year 2024, reported as part of a group. Mary Tisch accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mary Tisch's MIPS scores, performance year 2024
- 83of 100Final score
- 73of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Mary C. Tisch received $312 in industry payments in 2025
CMS Open Payments shows 6 general payments to Mary Tisch from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. HeartFlow, Inc. paid the most, $153.
Companies that paid Mary Tisch the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mary C. Tisch's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Mary C. Tisch
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary C. Tisch's NPI number?
Mary C. Tisch's NPI number is 1558566455. It was assigned on June 19, 2007, and it is active in the NPI Registry.
What does Mary C. Tisch specialize in?
Mary C. Tisch is a physician assistant in Falls Church, Virginia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Mary C. Tisch practice?
Mary Tisch practices at 3300 Gallows Rd, Falls Church, VA 22046. Mary Tisch's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. Dmand AI also links Mary Tisch to 3 hospitals and 1 group practice or clinic.
What is Mary C. Tisch's office phone number?
The practice phone on file for Mary Tisch is (703) 698-3659.
What is Mary C. Tisch's medical license number?
Mary Tisch holds Virginia license 0110003594.
Which hospitals is Mary C. Tisch affiliated with?
Mary Tisch is affiliated with Inova Fairfax Hospital. Dmand AI links Mary Tisch to 4 more hospitals.
What medical group is Mary C. Tisch part of?
Mary Tisch is linked to Virginia Heart.
Does Mary C. Tisch accept Medicare?
Yes. CMS lists Mary Tisch as accepting Medicare assignment.
What is Mary C. Tisch's MIPS score?
Mary Tisch's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Mary C. Tisch see?
CMS counts 25 Medicare patients who saw Mary Tisch in 2024, with an average age of 78.
Has Mary C. Tisch received payments from drug or device companies?
CMS Open Payments shows $312 in general payments to Mary Tisch from 6 companies from 2025 to 2025. The largest total came from HeartFlow, Inc.
How long has Mary C. Tisch been practicing?
Mary Tisch graduated from medical school in 2007, 19 years ago.
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