Aleda A. Longwell, MD
Dermatology Physician · Danville, CA
Aleda A. Longwell, MD is a dermatology physician with a practice address in Danville, California, and NPI 1093960643, issued on Nov 24, 2008. Check the license (California A86547, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Aleda A. Longwell
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A86547 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1320 EL Capitan Dr, Danville, CA 94526
- Phone
- (925) 838-4363
- Enumerated
- Nov 24, 2008
- Record last updated
- Jul 10, 2025
- Fax
- (925) 838-4545
- Medicare enrollment
- Enrolled (PECOS I20090224000712); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 1999
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 1320 EL Capitan Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Aleda A. Longwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A86547Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average dermatology physician in 2024
72 Medicare Part D claims for 32 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.
Most prescribed
- Triamcinolone Acetonide17 claims
- Ketoconazole15 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): 88.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,832.17
82 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
- Berman Skin Institute Medical Group IncLos Altos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aleda A. Longwell among 2,083 dermatology physician records in California
Aleda A. Longwell, 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 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 39% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1999 · median 2006 among the 1,450 with a school on file
- Record last updated2025 · 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 Danville → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Sonia Badreshia, MDDanville, CA 945261407894074
- Samantha Ellis, M.D.Danville, CA 945261174918098
- Gergana Gallacher, MDDanville, CA 945261457396277
- Jerome Potozkin, MDDanville, CA 945261184635195
- Paige Radell, M.D.Pleasant Hill, CA 945231861579021
- Curtis Raskin, MD PHD FAADPleasant Hill, CA 945231154358034
- Jennifer Fu, M.D.El Cerrito, CA 945301619000791
- Camilla McCalmont, MDEl Cerrito, CA 945301225032667
Common questions
What is Aleda A. Longwell, MD's NPI number?
Aleda A. Longwell, MD's National Provider Identifier (NPI) is 1093960643, issued on Nov 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Aleda A. Longwell, MD located?
The NPPES record lists a practice address at 1320 EL Capitan Dr, Danville, CA, 94526. Phone: (925) 838-4363. Providers update this record themselves, so call before visiting.
How can I verify Aleda A. Longwell, MD's license?
NPPES lists California license number A86547, 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 Aleda A. Longwell, MD prescribe under Medicare Part D?
In 2024, Aleda A. Longwell, MD had 72 Medicare Part D claims for 32 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Aleda A. Longwell, MD's MIPS final score?
The 2023 MIPS final score is 88.4 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.