DR. ANNA KOBLIK CHEN (MD) – Clinical Neurophysiology Physician, NPI 1972967982
Clinical Neurophysiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,479 NEUROLOGY in CA
Provider Addresses for DR. ANNA KOBLIK CHEN (MD)
475 WASHINGTON BLVD
MARINA DEL REY, CA 902925287
Phone: (415) 379-0282
Fax: (310) 439-3701
Type: Location
375 Adriatic Pkwy Apt 1117
McKinney, TX 750721554
Phone: (415) 379-0282
Type: Location
Westwood Place, North Pomona, Pomona, Los Angeles County, California, 91768, United States
LOS ANGELES, CA 900958353
Phone: (310) 206-3093
Fax: (310) 267-1157
Type: Mailing
18601 FM 1431
STE 104 #1015
JONESTOWN, TX 786453222
Phone: (415) 379-0282
Type: Mailing
44045 MARGARITA RD # 106
TEMECULA, CA 925922729
Phone: (951) 462-4624
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
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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: 2024-01-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20210607001215 | I | Neurology | CA | TBD |
| I20221117003239 | I | Neurology | TX | TBD |
| I20240126002003 | I | Psychiatry | IN | 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 |
|---|---|---|---|---|
| G0453 | Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) | 414 | 73 | $0 |
| 95938 | Placement of skin electrodes and measurement of stimulated sites on arms and legs | 66 | 66 | $0 |
| 95927 | Placement of skin electrodes and measurement of stimulated sites in trunk or head | 35 | 35 | $0 |
| 95861 | Needle measurement of electrical activity in arm or leg muscles, 2 extremities | 31 | 31 | $0 |
| 95886 | Needle measurement of electrical activity in arm or leg muscles, complete study | 24 | 12 | $0 |
Insurance plans in this area (ZIP 90292)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | MD | |
| N E U R O L O G Y | CA | |
| N E U R O L O G Y | MI | |
| N E U R O L O G Y | NY |
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