NPPES file of Aug 9, 2026

Jessica Rose Mayer, DO

Family Medicine Physician · Norristown, PA

Jessica Rose Mayer, DO is a family medicine physician with a practice address in Norristown, Pennsylvania, and NPI 1225289549, issued on Oct 6, 2008. Check the license (Pennsylvania OS015901, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225289549
Name
Jessica Rose Mayer
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
OS015901 PA
Self-reported in NPPES; status is on the state search
Practice location
2705 Dekalb Pike Ste 202, Norristown, PA 19401
Phone
(610) 275-7240
Enumerated
Oct 6, 2008
Record last updated
Aug 19, 2024
Fax
(610) 275-0633
Medicare enrollment
Enrolled (PECOS I20120224000432); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 2008
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 2705 Dekalb Pike Ste 202

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

  1. Elaine Pendrak, DOFamily Medicine Physician1568411379

Verify Jessica Rose Mayer 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 OS015901
    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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80% fewer Medicare Part D claims than the average family medicine physician in 2024

707 Medicare Part D claims for 81 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Jessica Mayer707
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium53 claims
  2. Amlodipine Besylate51 claims
  3. Hydrochlorothiazide40 claims
  4. Omeprazole24 claims
  5. Lisinopril23 claims
  6. Losartan Potassium22 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.

One hospital affiliation

  1. St Mary Medical CenterBensalem, PA · Acute Care Hospitals2 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Jessica Rose Mayer among 7,483 family medicine physician records in Pennsylvania

Jessica Rose Mayer, DO is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% 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 54% of them.

  • NPI issued2008 · 54% of these records are older, 43% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2008 · median 2005 among the 4,529 with a school on file
  • Record last updated2024 · 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 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

30 family medicine physician records list a practice address in Norristown

They are 30 of the 818 NPPES records with a practice address in Norristown, and 7,483 family medicine physician records in Pennsylvania.

The 8 family medicine physician records with the nearest ZIP codes

  1. Joseph Calamia, DONorristown, PA 194011841279551
  2. Joseph Cipriano, MDNorristown, PA 194011326158312
  3. William Dickerman, D.O.East Norriton, PA 194011487668174
  4. Ann George, M.D.Norristown, PA 194011861688681
  5. Michael Kouyoumdjian, D.O.Norristown, PA 194011316938053
  6. Frank Liu, M.D.Norristown, PA 194011992843940
  7. Christopher Malsch, D.O.Norristown, PA 194011851356372
  8. Chandira Mendis, MDEast Norriton, PA 194011669425591

Common questions

What is Jessica Rose Mayer, DO's NPI number?

Jessica Rose Mayer, DO's National Provider Identifier (NPI) is 1225289549, issued on Oct 6, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Jessica Rose Mayer, DO located?

The NPPES record lists a practice address at 2705 Dekalb Pike Ste 202, Norristown, PA, 19401. Phone: (610) 275-7240. Providers update this record themselves, so call before visiting.

How can I verify Jessica Rose Mayer, DO's license?

NPPES lists Pennsylvania license number OS015901, 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 Jessica Rose Mayer, DO prescribe under Medicare Part D?

In 2024, Jessica Rose Mayer, DO had 707 Medicare Part D claims for 81 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.