MS. SONG CHEN (NP) – Family Nurse Practitioner, NPI 1659855005
Family Nurse Practitioner
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for MS. SONG CHEN (NP)
40450, Marcia Street, Irvington District, Fremont, Alameda County, California, 94538, United States
FREMONT, CA 945382861
Phone: (415) 690-5598
Type: Mailing
Doctors express, 5763, Stevenson Boulevard, Newark, Alameda County, California, 94538, United States
NEWARK, CA 945605301
Phone: (510) 401-3725
Type: Location
1532 150TH AVE
SAN LEANDRO, CA 945781823
Phone: (510) 351-6363
Fax: (510) 278-3757
Type: Mailing
27206 CALAROGA AVE
205
HAYWARD, CA 945454300
Phone: (510) 670-1111
Fax: (510) 670-4772
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: 2019-08-05
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 |
|---|---|---|---|---|
| I20190805002922 | I | Nurse Practitioner | CA | 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 94538)
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