Mary A. Clark, NP

  • Onancock, VA
  • Family nurse practitioner
NPI1518945732PAC ID0143320861
Medicare patients, 2024
422
Part D claims, 2024
11,559
MIPS score, 2024
95
Hospital affiliations
1
Medical group
1
Practice address
20480 Market Street, Onancock, VA 23417
Practice phone
Call (757) 414-8000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Riverside Shore Memorial Hospital

Hospital · Onancock, Virginia

See all 5 affiliations

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Mary A. Clark is a family nurse practitioner in Onancock, Virginia

Mary Clark practices at Riverside Shore Memorial Hospital in Onancock, Virginia, part of Riverside Health System.

Mary Clark's NPI, 1518945732, was assigned on January 6, 2006. Mary Clark holds North Carolina license 0050-02432.

NPI and contact details
Medicare PAC ID
0143320861
NPI enumeration date
January 6, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(757) 414-8000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
54
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Mary A. Clark practices at Riverside Shore Memorial Hospital in Onancock, Virginia

Mary Clark's primary practice is Riverside Shore Memorial Hospital, at 20480 Market Street, Onancock, VA 23417 in Accomack County. The practice phone is (757) 414-8000.

Source: Dmand AI Affiliation Data

Mary A. Clark is affiliated with 4 sites of care and 1 medical group

Mary Clark's primary practice is Riverside Shore Memorial Hospital in Onancock, Virginia, part of Riverside Health System. The medical group on file is Riverside Gastroenterology Specialists. Dmand AI also links Mary Clark to 2 more home health agencies and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Mary Clark

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Mary A. Clark's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mary Clark practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Riverside Shore Memorial HospitalAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Mary A. Clark is one of 4,876 family nurse practitioners in Virginia

Family is Mary Clark's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Mary Clark is licensed in North Carolina.

Specialties and state licenses

  • Family nurse practitioner, North CarolinaPrimaryLicense 0050-02432 · taxonomy 363LF0000X

Family nurse practitioners near Mary Clark

Counts of family nurse practitioners 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 A. Clark treated 422 Medicare patients in 2024, average age 74

CMS counts 422 Medicare patients who saw Mary Clark in 2024. The largest group is 65 to 74, with 227 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 0.92, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Mary Clark's median patient age at 70, with 61% women.

Medicare patients, 2024422
Average age74
Average risk score0.92
Also on Medicaid9%

Mary Clark's Medicare patients by age, 2024

Mary Clark's Medicare patients by sex, 2024

  • Women23957%
  • Men18343%

Chronic conditions among Mary Clark's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis45%
  4. Anxiety28%
  5. Diabetes28%
  6. Chronic kidney disease23%
  7. Ischemic heart disease23%
  8. Mood disorders18%

Share of Medicare patients with each condition. A patient can have several.

Mary Clark's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women61%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Mary A. Clark wrote 11,559 Medicare Part D claims in 2024

In 2024, Mary Clark wrote 11,559 Medicare Part D claims for 666 patients. 90% of them were for generic drugs.

Part D claims, 202411,559
Part D patients666

Mary Clark's Part D claims by kind of drug, 2024

  • Generic10,403 claims90%
  • Brand-name1,050 claims9%
  • Other106 claims1%

Drug classes CMS tracks in Mary Clark's Part D claims, 2024

  • Opioids4%407 of 11,559 claims
  • Antibiotics2%207 of 11,559 claims
  • Antipsychotics, patients 65 and over0%39 of 11,559 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Mary A. Clark scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Mary Clark for performance year 2024, reported through an alternative payment model (APM). Mary Clark accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Mary Clark's MIPS scores, performance year 2024

  • 95of 100Final score
  • 92.9of 100Quality
  • 95of 100Promoting Interoperability
  • 40of 100Improvement Activities

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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Sources for Mary A. Clark's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Mary A. Clark

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 A. Clark's NPI number?

Mary A. Clark's NPI number is 1518945732. It was assigned on January 6, 2006, and it is active in the NPI Registry.

What does Mary A. Clark specialize in?

Mary A. Clark is a family nurse practitioner in Onancock, Virginia. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Mary A. Clark practice?

Mary Clark practices at 20480 Market Street, Onancock, VA 23417. Mary Clark's primary practice is Riverside Shore Memorial Hospital in Onancock, Virginia, part of Riverside Health System. Dmand AI also links Mary Clark to 2 home health agencies and 1 group practice or clinic.

What is Mary A. Clark's office phone number?

The practice phone on file for Mary Clark is (757) 414-8000.

What is Mary A. Clark's medical license number?

Mary Clark holds North Carolina license 0050-02432.

Which hospitals is Mary A. Clark affiliated with?

Mary Clark practices at Riverside Shore Memorial Hospital in Onancock, Virginia.

What medical group is Mary A. Clark part of?

Mary Clark is linked to Riverside Gastroenterology Specialists.

Does Mary A. Clark accept Medicare?

Yes. CMS lists Mary Clark as accepting Medicare assignment.

What is Mary A. Clark's MIPS score?

Mary Clark's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Mary A. Clark see?

CMS counts 422 Medicare patients who saw Mary Clark in 2024, with an average age of 74.

How long has Mary A. Clark been practicing?

Mary Clark graduated from medical school in 1998, 28 years ago.

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