Catherine Cotterman Close, MD
Dermatology Physician · Santa Clarita, CA
Catherine Cotterman Close, MD is a dermatology physician with a practice address in Santa Clarita, California, and NPI 1346413143, issued on Apr 11, 2008. Check the license (California A120320, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Catherine Cotterman Close
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- A120320 CA
MD.201794 LA
P2973 TX
Self-reported in NPPES; status is on the state search - Practice location
- 27107 Tourney RD, Santa Clarita, CA 91355
- Phone
- (888) 788-5000
- Enumerated
- Apr 11, 2008
- Record last updated
- Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 1079707 LA
08172871 MS - Medicare enrollment
- Enrolled (PECOS I20150120001972); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2006
- Entity
- Type 1 · individual
Also registered at 27107 Tourney RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alonso Cardenas, MDChild & Adolescent Psychiatry Physician1811212145
- Irina Chernishof, M.D.Family Medicine Physician1528408473
- Sebastian Chou, DPTOrthopedic Physical Therapist1871303412
- Stacy Clark, D.O.Family Medicine Physician1376728048
Verify Catherine Cotterman Close in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A120320Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% more Medicare Part D claims than the average dermatology physician in 2024
1,579 Medicare Part D claims for 532 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
- Triamcinolone Acetonide222 claims
- Fluorouracil124 claims
- Clobetasol Propionate88 claims
- Hydrocortisone83 claims
- Ketoconazole76 claims
- Mupirocin72 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
Other dermatology physician records in California
- Sam Abaza, M.D.Diamond Bar, CA1831148501
- Farah Abdulla, MDDuarte, CA1093934390
- Robert Abergel, M.D.Santa Monica, CA1841565843
- Karen Abisogun, MDLos Angeles, CA1124474515
- Glynis Ablon, M.D.Manhattan Beach, CA1144292889
- Arthur Abrams, MDMountain View, CA1518093178
- Payam Abrishami, MDAgoura Hills, CA1447288147
- Aseel Abu-NasserRedding, CA1609641711
- Rachel Abuav, M.D.Beverly Hills, CA1356481733
- Boya Abudu, MD, MPHSacramento, CA1336608637
Common questions
What is Catherine Cotterman Close, MD's NPI number?
Catherine Cotterman Close, MD's National Provider Identifier (NPI) is 1346413143, issued on Apr 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Cotterman Close, MD located?
The NPPES record lists a practice address at 27107 Tourney RD, Santa Clarita, CA, 91355. Phone: (888) 788-5000. Providers update this record themselves, so call before visiting.
How can I verify Catherine Cotterman Close, MD's license?
NPPES lists California license number A120320, 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 Catherine Cotterman Close, MD prescribe under Medicare Part D?
In 2024, Catherine Cotterman Close, MD had 1,579 Medicare Part D claims for 532 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
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.