Mary Ann Patricia McMahon, M.D.
Internal Medicine Physician · Cherry Hill, NJ
Mary Ann Patricia McMahon, M.D. is an internal medicine physician with a practice address in Cherry Hill, New Jersey, and NPI 1699773416, issued on Jul 14, 2005. Check the license (New Jersey 25MA073505, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mary Ann Patricia McMahon
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA073505 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 2339 Route 70 W Ste 200, Cherry Hill, NJ 08002
- Phone
- (856) 536-1515
- Enumerated
- Jul 14, 2005
- Record last updated
- Oct 2, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (856) 412-5310
- Medicaid ID
- 9076409 NJ
- Medicare enrollment
- Enrolled (PECOS I20041130000346); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 2339 Route 70 W Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan ShulmanFamily Nurse Practitioner1386051845
Verify Mary Ann Patricia McMahon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA073505Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,148 Medicare Part D claims for 267 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium241 claims
- Lisinopril181 claims
- Levothyroxine Sodium144 claims
- Rosuvastatin Calcium119 claims
- Amlodipine Besylate101 claims
- Escitalopram Oxalate85 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): 99.3 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cooper Care Alliance, PCBurlington, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Ann Patricia McMahon among 4,632 internal medicine physician records in New Jersey
Mary Ann Patricia McMahon, M.D. is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2000 · median 2000 among the 3,132 with a school on file
- Record last updated2020 · 63% 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 internal medicine physician records list a practice address in Cherry Hill
They are 34 of the 4,331 NPPES records with a practice address in Cherry Hill, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Cherry Hill → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Alessi, DOCherry Hill, NJ 080021942208046
- David BiCherry Hill, NJ 080021093456246
- Steven Gerber, M.D.Cherry Hill, NJ 080021558378034
- Marlena Klein, DOCherry Hill, NJ 080021457871063
- Raksha Kothari, M.D.Cherry Hill, NJ 080021992785083
- Scott Low, DOCherry Hill, NJ 080021346999406
- Usman Shahid, MDCherry Hill, NJ 080021437712254
- Syeda Ahmed-Zaidi, MDCherry Hill, NJ 080031790313518
Common questions
What is Mary Ann Patricia McMahon, M.D.'s NPI number?
Mary Ann Patricia McMahon, M.D.'s National Provider Identifier (NPI) is 1699773416, issued on Jul 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Patricia McMahon, M.D. located?
The NPPES record lists a practice address at 2339 Route 70 W Ste 200, Cherry Hill, NJ, 08002. Phone: (856) 536-1515. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Patricia McMahon, M.D.'s license?
NPPES lists New Jersey license number 25MA073505, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Ann Patricia McMahon, M.D. prescribe under Medicare Part D?
In 2024, Mary Ann Patricia McMahon, M.D. had 3,148 Medicare Part D claims for 267 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Mary Ann Patricia McMahon, M.D.'s MIPS final score?
The 2023 MIPS final score is 99.3 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.