DR. FREDERICK WILLIAM DIETERICH (M.D.) – Obstetrics & Gynecology Physician, NPI 1720183650
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 DR. FREDERICK WILLIAM DIETERICH (M.D.)
16671 Yorba Linda Blvd Ste 200
Yorba Linda, CA 92886
Phone: (714) 996-3700
Fax: (714) 993-5897
Type: Location
16671 YORBA LINDA BLVD STE 200
YORBA LINDA, CA 92886
Phone: (714) 996-3700
Fax: (714) 993-5897
Type: Location
1000 VALLE TERRACE
VISTA, CA 92064
Phone: (760) 631-5000
Fax: (760) 414-3892
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 27 Open Payments records for all available years, with a total value of $902.
Total Amount is formed as General ($902) + Research ($0) + Ownership ($0) = $902.
Last reported payment date: 2024-11-13 • Largest payer in this snapshot: Myriad Genetic Laboratories, Inc. ($250).
Total Amount
$902
General + Research + Ownership
Payments
27
Total payment records
General Amount
$902
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Myriad Genetic Laboratories, Inc. | $250 |
| PFIZER INC. | $227 |
| Hologic Sales and Service, LLC | $146 |
| ABBVIE INC. | $82 |
| ASCEND THERAPEUTICS US, LLC | $57 |
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: 2005-12-16
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 |
|---|---|---|---|---|
| I20051216000755 | 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 | 90 | 51 | $0 |
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | 38 | 38 | $0 |
| Q0091 | Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 23 | 23 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 17 | 14 | $0 |
| 81002 | Urinalysis, manual test | 12 | 11 | $0 |
Insurance plans in this area (ZIP 92886)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hospitalist, Internal Medicine | CA | |
| O P T O M E T R Y | CA | |
| Clinical Social Worker | CA | |
| Clinical Psychologist | CA | |
| Family Practice | CA | |
| P S Y C H I A T R Y | IN | |
| Cardiovascular Disease (Cardiology), Internal Medicine, Internal Medicine | CA | |
| Gynecological Oncology | CA | |
| C H I R O P R A C T I C | CA | |
| Family Practice | MI |
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