DR. DONALD MILLER (MD) – Gastroenterology Physician, NPI 1023056850
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,981 GASTROENTEROLOGY in CA
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Provider Addresses for DR. DONALD MILLER (MD)
Wankel Way, Oxnard, Ventura County, California, 93030, United States
OXNARD, CA 930300191
Phone: (805) 983-0521
Fax: (805) 919-2684
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 16 Open Payments records for all available years, with a total value of $376.
Total Amount is formed as General ($376) + Research ($0) + Ownership ($0) = $376.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: ABBVIE INC. ($268).
Total Amount
$376
General + Research + Ownership
Payments
16
Total payment records
General Amount
$376
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $268 |
| GENZYME CORPORATION | $37 |
| Regeneron Healthcare Solutions, Inc. | $28 |
| PFIZER INC. | $23 |
| Celgene Corporation | $20 |
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: 2017-08-25
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 |
|---|---|---|---|---|
| I20170825000298 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| 99439 | Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 910 | 80 | $0 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 538 | 81 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 486 | 331 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 369 | 305 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 143 | 143 | $0 |
Insurance plans in this area (ZIP 93030)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| U R O L O G Y | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| U R O L O G Y | CA | |
| Urology, General Surgery | CA | |
| Gastroenterology, Internal Medicine | CA | |
| U R O L O G Y | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| - | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| G A S T R O E N T E R O L O G Y | CA |
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