JANET L MAHAN (MD) – Internal Medicine Physician, NPI 1780651448
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 JANET L MAHAN (MD)
400 New Hampshire Ave
Ocean County Family Care
Lakewood, NJ 087014510
Phone: (732) 901-6400
Fax: (732) 901-0744
Type: Location
5730 EXECUTIVE DR STE 230
CATONSVILLE, MD 212281762
Phone: (732) 643-2070
Fax: (732) 643-2015
Type: Mailing
5525 RESEARCH PARK DR FL 4
BALTIMORE, MD 212284873
Phone: (732) 643-2070
Fax: (732) 643-2015
Type: Mailing
West County Line Road, Lakeover, Jackson, Hinds County, Mississippi, 39206, United States
OCEAN COUNTY FAMILY CARE
JACKSON, NJ 08527
Phone: (732) 942-4455
Fax: (732) 942-4459
Type: Mailing
New Hampshire Avenue, Lakewood, Pittsfield, Berkshire County, Massachusetts, 01201, United States
OCEAN COUNTY FAMILY CARE
LAKEWOOD, NJ 087014510
Phone: (732) 901-6400
Fax: (732) 901-0744
Type: Location
3000 ESSEX RD
TINTON FALLS, NJ 077532400
Phone: (732) 643-2070
Fax: (732) 643-2015
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: 2005-01-04
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 |
|---|---|---|---|---|
| I20050104000614 | 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 | 402 | 182 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 284 | 155 | $0 |
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 189 | 83 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 153 | 107 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 139 | 107 | $0 |
Insurance plans in this area (ZIP 08701)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | NJ | |
| - | NJ | |
| Family Practice | PA | |
| Nurse Practitioner | NJ | |
| Nurse Practitioner | MD | |
| Internal Medicine | NJ | |
| Clinical Social Worker | NJ | |
| - | NJ | |
| Clinical Social Worker | NJ | |
| - | NJ |
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