Karen Denise Allen, MD
Dermatology Physician · San Luis Obispo, CA
Karen Denise Allen, MD is a dermatology physician with a practice address in San Luis Obispo, California, and NPI 1942200183, issued on Jul 29, 2005. Check the license (California A64792, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen Denise Allen
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A64792 CA
Self-reported in NPPES; status is on the state search - Practice location
- 715 Tank Farm RD, San Luis Obispo, CA 93401
- Phone
- (805) 543-4488
- Enumerated
- Jul 29, 2005
- Record last updated
- Oct 10, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (805) 543-6271
- Medicare enrollment
- Enrolled (PECOS I20100825000434); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Verify Karen Denise Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A64792Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average dermatology physician in 2024
188 Medicare Part D claims for 93 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.
Most prescribed
- Valacyclovir22 claims
- Clobetasol Propionate20 claims
- Ketoconazole18 claims
- Fluorouracil17 claims
- Mupirocin17 claims
- Imiquimod11 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): 0 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: $2,349.43
84 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, 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.
Karen Denise Allen among 2,083 dermatology physician records in California
Karen Denise Allen, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1996 · median 2006 among the 1,450 with a school on file
- Record last updated2012 · 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 San Luis Obispo → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Lisa Aquino, MDSan Luis Obispo, CA 934011063781557
- Jessy Arthurs, PASan Luis Obispo, CA 934011922589548
- David Baltazar, DOSan Luis Obispo, CA 934011972038461
- Kristen Benz, PA-CSan Luis Obispo, CA 934011598630899
- Charles Fishman, M.D.San Luis Obispo, CA 934011194825752
- Shirley Van, MDSan Luis Obispo, CA 934011063530749
- Paul Collins, M.D.San Luis Obispo, CA 934051437361771
- Michael Heffernan, MDSan Luis Obispo, CA 934051518923432
Common questions
What is Karen Denise Allen, MD's NPI number?
Karen Denise Allen, MD's National Provider Identifier (NPI) is 1942200183, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Karen Denise Allen, MD located?
The NPPES record lists a practice address at 715 Tank Farm RD, San Luis Obispo, CA, 93401. Phone: (805) 543-4488. Providers update this record themselves, so call before visiting.
How can I verify Karen Denise Allen, MD's license?
NPPES lists California license number A64792, 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 Karen Denise Allen, MD prescribe under Medicare Part D?
In 2024, Karen Denise Allen, MD had 188 Medicare Part D claims for 93 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Karen Denise Allen, MD's MIPS final score?
The 2023 MIPS final score is 0 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.