Ryan Joseph Mayo, MD
Internal Medicine Physician · East Norriton, PA
Ryan Joseph Mayo, MD is an internal medicine physician with a practice address in East Norriton, Pennsylvania, and NPI 1417301995, issued on Apr 20, 2016. Check the license (Pennsylvania MD476349, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Ryan Joseph Mayo
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD476349 PA
MT210476 PA
Self-reported in NPPES; status is on the state search - Practice location
- 609 W Germantown Pike Ste 280, East Norriton, PA 19403
- Phone
- (484) 622-7700
- Enumerated
- Apr 20, 2016
- Record last updated
- Mar 14, 2023
- Medicaid ID
- 103310547 PA
- Medicare enrollment
- Enrolled (PECOS I20220624001299); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 609 W Germantown Pike Ste 280
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Arati Patel, PHARM.D.Pharmacist1255297420
- Ashley YonksAcute Care Nurse Practitioner1427769066
Verify Ryan Joseph Mayo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD476349Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average internal medicine physician in 2024
563 Medicare Part D claims for 129 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 70 claims were for opioids.
Most prescribed
- Anastrozole153 claims
- Oxycodone Hcl55 claims
- Xtandi48 claims
- Tamoxifen Citrate30 claims
- Exemestane23 claims
- Mirtazapine19 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: $160.75
4 payments; by number, the most common kind was education; the largest payer was Astellas Pharma US Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Einstein Practice Plan IncEast Norriton, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Joseph Mayo among 7,300 internal medicine physician records in Pennsylvania
Ryan Joseph Mayo, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 65% of them.
- NPI issued2016 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2016 · median 2008 among the 4,208 with a school on file
- Record last updated2023 · 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 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 internal medicine physician records list a practice address in East Norriton
They are 24 of the 347 NPPES records with a practice address in East Norriton, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in East Norriton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Daniel Bitetto, M.D.East Norriton, PA 194031861695389
- Bernard Carlin, MDEast Norriton, PA 194031881635936
- Margaret Carrillo, M.D.Norristown, PA 194031821117516
- Michael Cerino, D.O.East Norriton, PA 194031740462795
- Charles Cutler, MDEast Norriton, PA 194031033165196
- Westlane Depew, D.O.Norristown, PA 194031114071198
- Michael Esrick, MDEast Norriton, PA 194031619172665
- Judith Gordon, M.D.Norristown, PA 194031134249352
Common questions
What is Ryan Joseph Mayo, MD's NPI number?
Ryan Joseph Mayo, MD's National Provider Identifier (NPI) is 1417301995, issued on Apr 20, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Joseph Mayo, MD located?
The NPPES record lists a practice address at 609 W Germantown Pike Ste 280, East Norriton, PA, 19403. Phone: (484) 622-7700. Providers update this record themselves, so call before visiting.
How can I verify Ryan Joseph Mayo, MD's license?
NPPES lists Pennsylvania license number MD476349, 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 Ryan Joseph Mayo, MD prescribe under Medicare Part D?
In 2024, Ryan Joseph Mayo, MD had 563 Medicare Part D claims for 129 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.