DR. MARY ANN PATRICIA MCMAHON (M.D.) – Internal Medicine Physician, NPI 1699773416
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,893 INTERNAL MEDICINE in NJ
Provider Addresses for DR. MARY ANN PATRICIA MCMAHON (M.D.)
200, Federal Street, Cooper-Grant, Camden, Camden County, New Jersey, 08103, United States
CAMDEN, NJ 081031088
Phone: (856) 356-4924
Type: Mailing
457 Haddonfield Rd Ste 110
Cherry Hill, NJ 080022223
Phone: (844) 542-2273
Fax: (856) 406-4570
Type: Location
1305 Kings Hwy N
Cherry Hill, NJ 080341919
Phone: (856) 428-9446
Fax: (856) 428-4330
Type: Location
2339 ROUTE 70 W STE 200
CHERRY HILL, NJ 080023315
Phone: (856) 536-1515
Fax: (856) 412-5310
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-11-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20041130000346 | I | Internal Medicine | NJ | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 189 | 118 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 110 | 88 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 92 | 92 | $0 |
| G0008 | Administration of influenza virus vaccine | 61 | 61 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 60 | 60 | $0 |
Insurance plans in this area (ZIP 08103)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | NJ | |
| Family Practice | NJ | |
| Nurse Practitioner | NJ | |
| Internal Medicine | NJ | |
| Family Practice | NJ | |
| Family Practice | NJ | |
| Nurse Practitioner | NJ | |
| Nurse Practitioner | NJ | |
| Nurse Practitioner | NJ | |
| Internal Medicine | NJ |
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