NPPES file of Aug 9, 2026

Mary Katherine Holland, MSPAS, PA-C

Physician Assistant · Murrells Inlet, SC

Mary Katherine Holland, MSPAS, PA-C is a physician assistant with a practice address in Murrells Inlet, South Carolina, and NPI 1245906452, issued on Aug 18, 2021. Check the license (South Carolina 4025, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245906452
Name
Mary Katherine Holland
Credential
MSPAS, PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
4025 SC
Self-reported in NPPES; status is on the state search
Practice location
4040 Highway 17 Unit 205, Murrells Inlet, SC 29576
Phone
(843) 652-8120
Enumerated
Aug 18, 2021
Record last updated
Dec 3, 2025
Fax
(843) 848-5355
Medicare enrollment
Enrolled (PECOS I20220308001131); accepts Medicare assignment
Medical or professional school
University Of South Carolina School Of Medicine, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4040 Highway 17 Unit 205

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Geoffrey Habermacher, M.D., PHDUrology Physician1083882096
  2. Katherine Houle, MDUrology Physician1245811561
  3. Alexander Lapierre, PA-CMedical Physician Assistant1871348623
  4. Gary Walker, CRNPAcute Care Nurse Practitioner1902315146

Verify Mary Katherine Holland in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
    Search for license 4025
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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51% fewer Medicare Part D claims than the average physician assistant in 2024

410 Medicare Part D claims for 146 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 27 claims were for opioids.

  1. Mary Holland410
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium118 claims
  2. Clopidogrel90 claims
  3. Rosuvastatin Calcium35 claims
  4. Eliquis32 claims
  5. Cilostazol31 claims
  6. Oxycodone Hcl27 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 practice group's MIPS final score for 2023 (Medicare payment program): 81.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.8
  2. Costout of 100 · 30%61.7
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Georgetown Physician Associates, LLCGeorgetown, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary Katherine Holland among 2,294 physician assistant records in South Carolina

Mary Katherine Holland, MSPAS, PA-C is one of 2,294 physician assistant records with a practice address in South Carolina. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 62% of them.

  • NPI issued2021 · 62% of these records are older, 31% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2021 · median 2019 among the 1,516 with a school on file
  • Record last updated2025 · 31% 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 South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

17 physician assistant records list a practice address in Murrells Inlet

They are 17 of the 480 NPPES records with a practice address in Murrells Inlet, and 2,294 physician assistant records in South Carolina.

The 8 physician assistant records with the nearest ZIP codes

  1. Shannon DoyleMurrells Inlet, SC 295761063141414
  2. Michael GrahamMurrells Inlet, SC 295761336662964
  3. Brittany Hadden, PAMurrells Inlet, SC 295761366033805
  4. Jessica Harley, PAMurrells Inlet, SC 295761518338912
  5. Wanda Harunk, PA-CMurrells Inlet, SC 295761942690011
  6. Jason Kaylor, PA-CMurrells Inlet, SC 295761275819633
  7. Kevin Macpherson, PA-CMurrells Inlet, SC 295761093724742
  8. Elizabeth Marinaro, PA-CMurrells Inlet, SC 295761598258212

Common questions

What is Mary Katherine Holland, MSPAS, PA-C's NPI number?

Mary Katherine Holland, MSPAS, PA-C's National Provider Identifier (NPI) is 1245906452, issued on Aug 18, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mary Katherine Holland, MSPAS, PA-C located?

The NPPES record lists a practice address at 4040 Highway 17 Unit 205, Murrells Inlet, SC, 29576. Phone: (843) 652-8120. Providers update this record themselves, so call before visiting.

How can I verify Mary Katherine Holland, MSPAS, PA-C's license?

NPPES lists South Carolina license number 4025, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Katherine Holland, MSPAS, PA-C prescribe under Medicare Part D?

In 2024, Mary Katherine Holland, MSPAS, PA-C had 410 Medicare Part D claims for 146 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Mary Katherine Holland, MSPAS, PA-C's MIPS final score?

The 2023 MIPS final score is 81.9 of 100, reported for the practice group. 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.