Katherine Ferris, M.D.
Dermatology Physician · Escondido, CA
Katherine Ferris, M.D. is a dermatology physician with a practice address in Escondido, California, and NPI 1346661832, issued on Dec 30, 2013. Check the license (California 135021, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Katherine Ferris
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 135021 CA
Self-reported in NPPES; status is on the state search - Practice location
- 504 W Mission Ave Ste 101, Escondido, CA 92025
- Phone
- (760) 747-1980
- Enumerated
- Dec 30, 2013
- Record last updated
- Jul 11, 2023
- Fax
- (760) 747-2045
- Medicare enrollment
- Enrolled (PECOS I20171009001908); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Verify Katherine Ferris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 135021Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average dermatology physician in 2024
125 Medicare Part D claims for 44 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Ketoconazole20 claims
- Triamcinolone Acetonide14 claims
- Doxycycline Hyclate11 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): 38.3 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).
Industry payments in 2024: $569.85
35 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.
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
- Escondido Dermatology Inc A Professional CorporationEscondido, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Ferris among 2,083 dermatology physician records in California
Katherine Ferris, M.D. 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 2013, is newer than 72% of them.
- NPI issued2013 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2013 · median 2006 among the 1,450 with a school on file
- Record last updated2023 · 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.
All 2,083 in California → Every provider in Escondido → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Hannah Berman, MDEncinitas, CA 920241952987349
- Elizabeth CooperEncinitas, CA 920241043873482
- Andres Cruz-Inigo, M.D.Encinitas, CA 920241760707434
- Margaret Dupree, MDEncinitas, CA 920241295713360
- Vishakha Gigler, MDEncinitas, CA 920241396774220
- Heidi Gilchrist, M.D.Encinitas, CA 920241083804553
- Amanda Lloyd, M.D.Encinitas, CA 920241740593664
- Jalal Maghfour, MDEncinitas, CA 920241902433634
Common questions
What is Katherine Ferris, M.D.'s NPI number?
Katherine Ferris, M.D.'s National Provider Identifier (NPI) is 1346661832, issued on Dec 30, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Ferris, M.D. located?
The NPPES record lists a practice address at 504 W Mission Ave Ste 101, Escondido, CA, 92025. Phone: (760) 747-1980. Providers update this record themselves, so call before visiting.
How can I verify Katherine Ferris, M.D.'s license?
NPPES lists California license number 135021, 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 Katherine Ferris, M.D. prescribe under Medicare Part D?
In 2024, Katherine Ferris, M.D. had 125 Medicare Part D claims for 44 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Katherine Ferris, M.D.'s MIPS final score?
The 2023 MIPS final score is 38.3 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.