DR. DAVID EUGENE ALLEN (M.D.) – Internal Medicine Physician, NPI 1184687535
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
Provider Addresses for DR. DAVID EUGENE ALLEN (M.D.)
690 GUZZI LANE
SUITE D
SONORA, CA 953705292
Phone: (209) 533-0333
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 1 Open Payments records for all available years, with a total value of $24.
Total Amount is formed as General ($24) + Research ($0) + Ownership ($0) = $24.
Last reported payment date: 2024-07-18 • Largest payer in this snapshot: Otsuka America Pharmaceutical, Inc. ($24).
Total Amount
$24
General + Research + Ownership
Payments
1
Total payment records
General Amount
$24
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Otsuka America Pharmaceutical, Inc. | $24 |
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: 2024-09-27
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 |
|---|---|---|---|---|
| I20240927002223 | I | Internal Medicine | AZ | TBD |
| I20240927002635 | I | Internal Medicine | GU | 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 95370)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | CA | 90670 | Pneumococcal vaccine for injection into muscle | 15 | 15 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | GU | |
| Family Practice | GU | |
| Nurse Practitioner | GU | |
| O P T O M E T R Y | OH | |
| Family Practice | GU | |
| Family Practice | WA | |
| Physician Assistant | GU | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WA | |
| Nurse Practitioner | GU | |
| O B S T E T R I C S/ G Y N E C O L O G Y | TX |
Reviews
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