CHRISTIN ANN FIELD (MD) – Obstetrics & Gynecology Physician, NPI 1245201912
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,008 OBSTETRICS/GYNECOLOGY in CA
Provider Addresses for CHRISTIN ANN FIELD (MD)
2220 Lynn Road
Suite 108
Thousand Oaks, CA 91360
Phone: (805) 495-4545
Fax: (805) 495-0711
Type: Location
32144 AGOURA RD STE 100
WESTLAKE VILLAGE, CA 913614032
Phone: (805) 557-7180
Type: Location
2220, Lynn Road, Thousand Oaks, Ventura County, California, 91360, United States
SUITE 108
THOUSAND OAKS, CA 91360
Phone: (805) 495-4545
Fax: (805) 495-0711
Type: Mailing
5767 W CENTURY BLVD STE 400
LOS ANGELES, CA 900455631
Phone:
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: 2004-07-23
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 |
|---|---|---|---|---|
| I20040723000693 | I | Obstetrics/Gynecology | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 40 | 37 | $0 |
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | 36 | 36 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 15 | 15 | $0 |
Insurance plans in this area (ZIP 91360)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P S Y C H I A T R Y | CA | |
| N E U R O L O G Y | CA | |
| - | CA | |
| - | CA | |
| Marriage And Family Therapist | CA | |
| - | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| General Surgery | CA | |
| - | CA | |
| N E U R O L O G Y | CA |
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