DR. MARTIN KLEIN (MD) – Family Medicine Physician, NPI 1235209560
Family Medicine Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. MARTIN KLEIN (MD)
1738 STATE ROUTE 31
SUITE 203
CLINTON, NJ 088092014
Phone: (908) 284-1125
Fax: (908) 782-4316
Type: Mailing
4 THAMES LN
FLEMINGTON, NJ 088225791
Phone: (908) 246-3227
Type: Mailing
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: 2004-01-13
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 |
|---|---|---|---|---|
| I20040113000207 | I | Family Practice | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 08809)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | NJ | |
| Family Practice | NJ | |
| Family Practice | NY | |
| Internal Medicine | NJ | |
| Family Practice | NJ | |
| - | NJ | |
| Internal Medicine | NJ | |
| Nurse Practitioner | NJ | |
| - | GA | |
| Family Practice | PA |
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