NPPES file of Aug 9, 2026

Mary Horner, MD

Dermatology Physician · Sacramento, CA

Mary Horner, MD is a dermatology physician with a practice address in Sacramento, California, and NPI 1194055699, issued on Jan 5, 2010. Check the license (California A136567, as entered in NPPES) on the Medical Board of California; 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
1194055699
Name
Mary Horner
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License number
A136567 CA
Self-reported in NPPES; status is on the state search
Practice location
2410 Fair Oaks Blvd Ste 220, Sacramento, CA 95825
Phone
(916) 739-1505
Enumerated
Jan 5, 2010
Record last updated
May 28, 2026
Fax
(915) 739-1426
Medicare enrollment
Enrolled (PECOS I20151012000523); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 2011
Telehealth
Offers telehealth (CMS)
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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Verify Mary Horner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A136567
    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 California license search

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85% more Medicare Part D claims than the average dermatology physician in 2024

1,474 Medicare Part D claims for 533 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Mary Horner1,474
  2. Specialty average797

Most prescribed

  1. Triamcinolone Acetonide216 claims
  2. Fluorouracil127 claims
  3. Ketoconazole119 claims
  4. Doxycycline Hyclate88 claims
  5. Valacyclovir82 claims
  6. Clobetasol Propionate72 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): 100 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 score100.0
  2. Costnot scored (reweighted)
  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: $140,150.71

250 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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. Mary Horner$140,151
  2. Specialty average$8,545

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. Dermatology Consultants OF Sacramento A Medical CorpSacramento, CA

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

Mary Horner among 2,083 dermatology physician records in California

Mary Horner, MD is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 64% of them.

  • NPI issued2010 · 64% of these records are older, 33% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2011 · median 2006 among the 1,450 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in California

There are 2,083 dermatology physician records in California.

The 8 dermatology physician records with the nearest ZIP codes

  1. Timothy Baker, MDSacramento, CA 958251598843245
  2. Sheila Braunstein, M.D.Sacramento, CA 958251053356089
  3. Pantea Hashemi, M.D.Sacramento, CA 958251902123383
  4. Lia Keller, MDSacramento, CA 958251295813962
  5. Marc Silverstein, M.D.Sacramento, CA 958251104869155
  6. Michael Su, MD, PHDSacramento, CA 958251285656447
  7. Sima Torabian, MDSacramento, CA 958251184641888
  8. William Chan, M.D.Sacramento, CA 958231588602338

Common questions

What is Mary Horner, MD's NPI number?

Mary Horner, MD's National Provider Identifier (NPI) is 1194055699, issued on Jan 5, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Mary Horner, MD located?

The NPPES record lists a practice address at 2410 Fair Oaks Blvd Ste 220, Sacramento, CA, 95825. Phone: (916) 739-1505. Providers update this record themselves, so call before visiting.

How can I verify Mary Horner, MD's license?

NPPES lists California license number A136567, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mary Horner, MD prescribe under Medicare Part D?

In 2024, Mary Horner, MD had 1,474 Medicare Part D claims for 533 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Mary Horner, MD's MIPS final score?

The 2023 MIPS final score is 100 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.