DR. MASARU NEGI (M.D.) – Maternal & Fetal Medicine Physician, NPI 1104185081
Maternal & Fetal Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
1,164 OBSTETRICS/GYNECOLOGY in VA
Provider Addresses for DR. MASARU NEGI (M.D.)
1840 Amherst St
Winchester, VA 226012808
Phone: (540) 536-8000
Fax: (540) 536-7780
Type: Location
5767 W CENTURY BLVD STE 400
LOS ANGELES, CA 900455631
Phone:
Type: Mailing
200 UCLA MEDICAL PLZ STE 430
LOS ANGELES, CA 90095
Phone: (310) 794-7274
Fax: (310) 794-7436
Type: Location
220 CAMPUS BLVD STE 210
WINCHESTER, VA 226012889
Phone: (540) 536-5100
Fax: (540) 536-0235
Type: Mailing
1870 AMHERST ST STE 3A
WINCHESTER, VA 226012841
Phone: (540) 536-3228
Fax: (540) 536-3227
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: 2023-08-01
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20190614001313 | I | Obstetrics/Gynecology | CA | TBD |
| I20230801003576 | I | Obstetrics/Gynecology | VA | 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 22601)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | VA | |
| G A S T R O E N T E R O L O G Y | GA | |
| Marriage And Family Therapist | NY | |
| Clinical Psychologist | VA | |
| Physical Medicine And Rehabilitation | MD | |
| - | VA | |
| - | VA | |
| U R O L O G Y | VA | |
| Nurse Practitioner | MD | |
| - | VA |
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