DR. DIANA C NEGREANU (MD) – Specialist, NPI 1538282447
Specialist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
93 ENDOCRINOLOGY in OR
Provider Addresses for DR. DIANA C NEGREANU (MD)
10000 SE MAIN ST
SUITE 236
PORTLAND, OR 972162448
Phone: (503) 256-4096
Fax: (503) 256-0101
Type: Mailing
5050 NE HOYT ST STE 317
PORTLAND, OR 972132982
Phone: (503) 256-4096
Fax: (503) 256-0101
Type: Mailing
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 $22.
Total Amount is formed as General ($22) + Research ($0) + Ownership ($0) = $22.
Last reported payment date: 2023-08-17 • Largest payer in this snapshot: Novo Nordisk Inc ($22).
Total Amount
$22
General + Research + Ownership
Payments
1
Total payment records
General Amount
$22
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-08-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $22 |
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: 2007-10-29
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 |
|---|---|---|---|---|
| I20071029000442 | I | Endocrinology | OR | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 85 | 56 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 35 | 30 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 28 | 28 | $0 |
Insurance plans in this area (ZIP 97216)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OR | |
| E N D O C R I N O L O G Y | OR |
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