NPPES file of Aug 9, 2026

Mary London, FNP

Family Nurse Practitioner · Philadelphia, PA

Mary London, FNP is a family nurse practitioner with a practice address in Philadelphia, Pennsylvania, and NPI 1699245498, issued on Dec 5, 2018. Check the license (Pennsylvania SP019604, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699245498
Name
Mary London
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
SP019604 PA
RN695130 PA
Self-reported in NPPES; status is on the state search
Practice location
2534 S 18TH St, Philadelphia, PA 19145
Phone
(215) 463-4363
Enumerated
Dec 5, 2018
Record last updated
Dec 5, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190313000036); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 2534 S 18TH St

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

  1. Katie Dougherty, D.O.Family Medicine Physician1962433649
  2. Nicole Ferroni, CRNPFamily Nurse Practitioner1467999243

Verify Mary London in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license SP019604
    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
Find the Pennsylvania license search

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66% more Medicare Part D claims than the average family nurse practitioner in 2024

2,164 Medicare Part D claims for 263 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 66 claims were for opioids.

  1. Mary London2,164
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium150 claims
  2. Amlodipine Besylate101 claims
  3. Lisinopril87 claims
  4. Fluticasone Propionate67 claims
  5. Omeprazole66 claims
  6. Losartan Potassium60 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.

Industry payments in 2024: $16.82

1 payment: food and beverage; the largest payer was Servier Pharmaceuticals LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary London$16.82
  2. Specialty average$650.95

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. Jefferson University PhysiciansPhiladelphia, PA

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

Mary London among 7,209 family nurse practitioner records in Pennsylvania

Mary London, FNP is one of 7,209 family nurse practitioner records with a practice address in Pennsylvania. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 48% of them.

  • NPI issued2018 · 48% of these records are older, 46% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2018 · median 2018 among the 4,232 with a school on file
  • Record last updated2018 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

896 family nurse practitioner records list a practice address in Philadelphia

They are 896 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,209 family nurse practitioner records in Pennsylvania.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Laura AlalayPhiladelphia, PA 191451497419493
  2. Violet Anderson, CRNPPhiladelphia, PA 191451407454051
  3. Amanda Carlson, CRNPPhiladelphia, PA 191451215403258
  4. Megan Drozdowski, CRNPPhiladelphia, PA 191451386110021
  5. Nicole Ferroni, CRNPPhiladelphia, PA 191451467999243
  6. Matthew Hoelper, CRNPPhiladelphia, PA 191451194025981
  7. Kimberly Jeffries-Whitfield, MSN, FNP-BCPhiladelphia, PA 191451962893982
  8. Sivily PothenPhiladelphia, PA 191451285181982

Common questions

What is Mary London, FNP's NPI number?

Mary London, FNP's National Provider Identifier (NPI) is 1699245498, issued on Dec 5, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Mary London, FNP located?

The NPPES record lists a practice address at 2534 S 18TH St, Philadelphia, PA, 19145. Phone: (215) 463-4363. Providers update this record themselves, so call before visiting.

How can I verify Mary London, FNP's license?

NPPES lists Pennsylvania license number SP019604, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Mary London, FNP prescribe under Medicare Part D?

In 2024, Mary London, FNP had 2,164 Medicare Part D claims for 263 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.