NPPES file of Aug 9, 2026

Vanessa Ayumi London, MD, MS

Dermatology Physician · Philadelphia, PA

Vanessa Ayumi London, MD, MS is a dermatology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1023288495, issued on Mar 2, 2008. Check the license (Pennsylvania MD439500, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1023288495
Name
Vanessa Ayumi London
Credential
MD, MS
Primary taxonomy
Dermatology Physician 207N00000X
License numbers
MD439500 PA
A101617 CA
Self-reported in NPPES; status is on the state search
Practice location
9501 Roosevelt Blvd, Philadelphia, PA 19114
Phone
(215) 464-7400
Enumerated
Mar 2, 2008
Record last updated
Aug 18, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(215) 464-8680
Medicare enrollment
Enrolled (PECOS I20120917000123); accepts Medicare assignment
Medical or professional school
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2006
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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Also registered at 9501 Roosevelt Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Eugene Andruczyk, D.O.Gynecology Physician1780636498
  2. Mark Benjamin, M.D.Specialist1992760185
  3. Mihaela Biscoveanu, MDEndocrinology, Diabetes & Metabolism Physician1033159231
  4. Ryan Blackman, D.O.Pediatrics Physician1275792038
  5. Nungja Chi, MDObstetrics & Gynecology Physician1528145646
  6. Mariel Clark, P.A.,C.Physician Assistant1568475523

Verify Vanessa Ayumi London in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD439500
    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 Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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22% fewer Medicare Part D claims than the average dermatology physician in 2024

620 Medicare Part D claims for 301 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Vanessa London620
  2. Specialty average797

Most prescribed

  1. Valacyclovir83 claims
  2. Mupirocin58 claims
  3. Ketoconazole57 claims
  4. Hydrocortisone52 claims
  5. Fluocinonide48 claims
  6. Clobetasol Propionate42 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.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $291.81

22 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.

  1. Vanessa London$291.81
  2. Specialty average$8,544.61

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. Bernardo Dermatology Medical Group IncPoway, CA

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

Vanessa Ayumi London among 681 dermatology physician records in Pennsylvania

Vanessa Ayumi London, MD, MS is one of 681 dermatology physician records with a practice address in Pennsylvania. 87% 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 53% of them.

  • NPI issued2008 · 53% of these records are older, 43% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2006 · median 2007 among the 485 with a school on file
  • Record last updated2010 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Pennsylvania

There are 681 dermatology physician records in Pennsylvania.

The 8 dermatology physician records with the nearest ZIP codes

  1. Glenn Dempsey, M.D.Philadelphia, PA 191151568555274
  2. Harold Farber, M.D,Philadelphia, PA 191151194833590
  3. Luke Barker, MDPhiladelphia, PA 191121366029886
  4. Howard Goldman, D.O.Philadelphia, PA 191161699764175
  5. Saira Agarwala, MDPhiladelphia, PA 191111760062228
  6. Magdalene Ho, MDPhiladelphia, PA 191111760489710
  7. Gabriel Isaza GonzalezPhiladelphia, PA 191111538510508
  8. Conor Vickers, MDPhiladelphia, PA 191111245890524

Common questions

What is Vanessa Ayumi London, MD, MS's NPI number?

Vanessa Ayumi London, MD, MS's National Provider Identifier (NPI) is 1023288495, issued on Mar 2, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Vanessa Ayumi London, MD, MS located?

The NPPES record lists a practice address at 9501 Roosevelt Blvd, Philadelphia, PA, 19114. Phone: (215) 464-7400. Providers update this record themselves, so call before visiting.

How can I verify Vanessa Ayumi London, MD, MS's license?

NPPES lists Pennsylvania license number MD439500, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Vanessa Ayumi London, MD, MS prescribe under Medicare Part D?

In 2024, Vanessa Ayumi London, MD, MS had 620 Medicare Part D claims for 301 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Vanessa Ayumi London, MD, MS'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.