Hayleigh Diamond Slezak, PA
Physician Assistant · Portsmouth, VA
Hayleigh Diamond Slezak, PA is a physician assistant with a practice address in Portsmouth, Virginia, and NPI 1669900759, issued on Jun 1, 2017. Check the license with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hayleigh Diamond Slezak
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 3636 High St, Portsmouth, VA 23707
- Phone
- (757) 398-2200
- Enumerated
- Jun 1, 2017
- Record last updated
- Apr 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170913003078); accepts Medicare assignment
- Medical or professional school
- Eastern Virginia Medical School, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
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Also registered at 3636 High St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hayleigh Diamond Slezak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.6 times the Medicare Part D claims of the average physician assistant in 2024
3,786 Medicare Part D claims for 288 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium340 claims
- Amlodipine Besylate273 claims
- Lisinopril229 claims
- Losartan Potassium128 claims
- Metformin Hcl101 claims
- Albuterol Sulfate Hfa89 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Riverside Physician Services IncNewport News, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hayleigh Diamond Slezak among 4,408 physician assistant records in Virginia
Hayleigh Diamond Slezak, PA is one of 4,408 physician assistant records with a practice address in Virginia. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 45% of them.
- NPI issued2017 · 45% of these records are older, 51% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2017 · median 2018 among the 2,885 with a school on file
- Record last updated2019 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 physician assistant records list a practice address in Portsmouth
They are 63 of the 2,857 NPPES records with a practice address in Portsmouth, and 4,408 physician assistant records in Virginia.
All 4,408 in Virginia → Every provider in Portsmouth → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jon Brillhart, PA-CPortsmouth, VA 237071417959693
- Blerina Dani, PA-CPortsmouth, VA 237071871838599
- Stacy Forbes, P.A.Portsmouth, VA 237071295187839
- Jana Galyo, PA-CPortsmouth, VA 237071144304619
- John Goodhart, PAPortsmouth, VA 237071295758993
- Renee King, PA-CPortsmouth, VA 237071922481084
- Lung-Sang Lam, PA-CPortsmouth, VA 237071396773479
- Michael Malone, PAPortsmouth, VA 237071689693939
Common questions
What is Hayleigh Diamond Slezak, PA's NPI number?
Hayleigh Diamond Slezak, PA's National Provider Identifier (NPI) is 1669900759, issued on Jun 1, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Hayleigh Diamond Slezak, PA located?
The NPPES record lists a practice address at 3636 High St, Portsmouth, VA, 23707. Phone: (757) 398-2200. Providers update this record themselves, so call before visiting.
How can I verify Hayleigh Diamond Slezak, PA's license?
Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Hayleigh Diamond Slezak, PA prescribe under Medicare Part D?
In 2024, Hayleigh Diamond Slezak, PA had 3,786 Medicare Part D claims for 288 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Hayleigh Diamond Slezak, PA's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.