Doctor profile · Federal record
Dr. Mary Ann McMahon, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Cherry Hill, NJ
- NPI 1699773416
- Accepts Medicare
- MIPS 90.3 / 100 · 2023
- 26 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
2339 Route 70 W Ste 200
Cherry Hill, NJ 080023315
(856) 536-1515
fax (856) 412-5310 - Additional location
-
1305 Kings Hwy N
Cherry Hill, NJ 080341919
(856) 428-9446
fax (856) 428-4330 - Additional location
-
457 Haddonfield RD Ste 110
Cherry Hill, NJ 080022223
(844) 542-2273
fax (856) 406-4570 - Mailing address
-
1 Federal St # 200
Camden, NJ 081031088
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- October 2, 2020
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New Jersey #25MA073505
- Medicaid
- NJ #9076409
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699773416. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
586
Distinct HCPCS
8
Medicare allowed
$68,259
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 189 | 118 | $139 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 110 | 88 | $98 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 92 | 92 | $141 | |
G0008 |
Administration of influenza virus vaccine | 61 | 61 | $33 | |
90662 |
Influenza vaccine split virus, preservative free | 60 | 60 | $72 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 28 | 28 | $281 | |
G0009 |
Administration of pneumococcal vaccine | 28 | 28 | $33 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $180 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 102. This provider delivers 5.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,166
Patients
327
Total drug cost
$17,445
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 186 | 50 | $2,361 |
| Lisinopril | Generic | 147 | 40 | $1,708 |
| Levothyroxine Sodium | Generic | 112 | 32 | $1,609 |
| Rosuvastatin Calcium | Generic | 88 | 30 | $1,527 |
| Simvastatin | Generic | 86 | 25 | $1,111 |
| Escitalopram Oxalate | Generic | 66 | 19 | $798 |
| Omeprazole | Generic | 64 | 18 | $942 |
| Hydrochlorothiazide | Generic | 61 | 18 | $190 |
| Metformin Hcl | Generic | 60 | 19 | $696 |
| Amlodipine Besylate | Generic | 59 | 18 | $646 |
Hospital affiliations
Frequently asked questions
What is Dr. Mary Ann McMahon's medical specialty?
Dr. Mary Ann McMahon practices Internal Medicine Physician in Cherry Hill, NJ.
Where does Dr. Mary Ann McMahon practice?
Dr. Mary Ann McMahon practices at 2339 Route 70 W Ste 200, Cherry Hill, NJ 080023315. Office phone: 8565361515.
What is Dr. Mary Ann McMahon's NPI?
Dr. Mary Ann McMahon's National Provider Identifier (NPI) is 1699773416, issued by NPPES.
Does Dr. Mary Ann McMahon accept Medicare assignment?
Yes. Dr. Mary Ann McMahon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Ann McMahon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.