Physician Profile
Mary Ann P. McMahon, M.D.
Unclaimed ProfileAbout Dr. Mcmahon
Based in Cherry Hill, NJ, Mary Ann P. McMahon, M.D. is listed in the NPI registry under internal medicine. Mary Ann graduated from Jefferson Medical College of Thomas Jefferson University in 2000. According to Medicare claims data, Mary Ann cared for 525 Medicare patients across 595 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1699773416 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (856) 536-1515
- Email not available
Practice Locations
2339 ROUTE 70 W STE 200
Cherry Hill, NJ 08002
457 Haddonfield Rd Ste 110
Cherry Hill, NJ 08002
1305 Kings Hwy N
Cherry Hill, NJ 08034
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
595 services · 525 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
62 | More often than most peers in Internal Medicine |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
28 | More often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
166 | As often as other peers in Internal Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
125 | More often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
103 | As often as other peers in Internal Medicine |
| Administration of influenza virus vaccine | Billing code | G0008 |
63 | More often than most peers in Internal Medicine |
| Administration of pneumococcal vaccine | Billing code | G0009 |
28 | More often than most peers in Internal Medicine |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
20 | As often as other peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 16 related providers in 2 groups
Other internists in Cherry Hill 8
Same specialty, same city.
Also performs Influenza vaccine split virus, preservative free 8
Providers in NJ who bill this service to Medicare most often.
Common questions
What kind of doctor is Mary Ann P. McMahon?
Mary Ann P. McMahon is an internist in Cherry Hill, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
What is Mary Ann P. McMahon's address?
Mary Ann P. McMahon is listed at 2339 Route 70 W Ste 200, Cherry Hill, NJ 08002. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mary Ann P. McMahon?
The number on file is (856) 536-1515. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mary Ann P. McMahon's NPI number?
Mary Ann P. McMahon's National Provider Identifier is 1699773416. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mary Ann P. McMahon train?
Mary Ann P. McMahon attended Jefferson Medical College of Thomas Jefferson University, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has Mary Ann P. McMahon been practicing?
Mary Ann P. McMahon has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mary Ann P. McMahon perform?
According to Medicare billing data, Mary Ann P. McMahon provides treatments such as influenza vaccine split virus, preservative free and pneumococcal conjugate vaccine, 20 valent , for intramuscular use, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mary Ann P. McMahon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary Ann P. McMahon. If this is you, claiming it is free.
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