NPPES file of Aug 9, 2026

Katherine Snodgrass Martin, M.D.

Dermatology Physician · Chapel Hill, NC

Katherine Snodgrass Martin, M.D. is a dermatology physician with a practice address in Chapel Hill, North Carolina, and NPI 1598296113, issued on Mar 24, 2017. Check the license (North Carolina 2021-00738, as entered in NPPES) on the North Carolina Medical Board; 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
1598296113
Name
Katherine Snodgrass Martin
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License numbers
2021-00738 NC
U3590 TX
Self-reported in NPPES; status is on the state search
Practice location
2238 Nelson Hwy Ste 100, Chapel Hill, NC 27517
Phone
(919) 401-1994
Enumerated
Mar 24, 2017
Record last updated
Jun 23, 2023
Medicare enrollment
Enrolled (PECOS I20231003001263); accepts Medicare assignment
Medical or professional school
Texas Tech University Health Science Center School Of Medicine, 2017
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 2238 Nelson Hwy Ste 100

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

  1. Zachary Delconte, PAPhysician Assistant1538824297
  2. Jonathan Miles, MDDermatopathology Physician1295296036
  3. Kriti Mishra, MDDermatology Physician1326509845
  4. Amber Parler, PA-CPhysician Assistant1720609548
  5. Holly Rasmussen, PA-CMedical Physician Assistant1548234529
  6. Alexandria Wagstaff, PA-CPhysician Assistant1710549076

Verify Katherine Snodgrass Martin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 2021-00738
    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
Open the North Carolina license search

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8% fewer Medicare Part D claims than the average dermatology physician in 2024

734 Medicare Part D claims for 299 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Katherine Martin734
  2. Specialty average797

Most prescribed

  1. Ketoconazole124 claims
  2. Triamcinolone Acetonide110 claims
  3. Clobetasol Propionate73 claims
  4. Fluocinonide40 claims
  5. Fluorouracil40 claims
  6. Doxycycline Monohydrate39 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): 92.2 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 score81.9
  2. Costout of 100 · 30%92.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Industry payments in 2024: $2,624.84

125 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Martin$2,624.84
  2. Specialty average$8,544.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Michael Sonabend MD PAConroe, TX

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

Dermatology Physician providers in North Carolina

There are 507 dermatology physician records in North Carolina.

Other dermatology physician records in North Carolina

  1. Maureen Aarons, MDRaleigh, NC1891789186
  2. Daniel Abraham, D.O.Jacksonville, NC1497709778
  3. Adewole Adamson, M.D.Chapel Hill, NC1255630034
  4. Chris Adigun, M.D.Chapel Hill, NC1235335027
  5. Christine Ahn, MDWinston Salem, NC1588077747
  6. Zeynep Akkurt, MDWinston Salem, NC1982118782
  7. Tiffany Alexander, MDWilson, NC1851824288
  8. Toby Alligood, M.D.Raleigh, NC1568652899
  9. Carrie Alspaugh, M.D.Raleigh, NC1114911401
  10. Coleman Altman, D.O.Charlotte, NC1003806928

Common questions

What is Katherine Snodgrass Martin, M.D.'s NPI number?

Katherine Snodgrass Martin, M.D.'s National Provider Identifier (NPI) is 1598296113, issued on Mar 24, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Snodgrass Martin, M.D. located?

The NPPES record lists a practice address at 2238 Nelson Hwy Ste 100, Chapel Hill, NC, 27517. Phone: (919) 401-1994. Providers update this record themselves, so call before visiting.

How can I verify Katherine Snodgrass Martin, M.D.'s license?

NPPES lists North Carolina license number 2021-00738, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katherine Snodgrass Martin, M.D. prescribe under Medicare Part D?

In 2024, Katherine Snodgrass Martin, M.D. had 734 Medicare Part D claims for 299 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Katherine Snodgrass Martin, M.D.'s MIPS final score?

The 2023 MIPS final score is 92.2 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.