HELEN CHANG-DEGUZMAN (M.D.) – Nephrology Physician, NPI 1710989926
Nephrology Physician
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Profile Insights
NPPES metrics only — not quality of care.
345 NEPHROLOGY in MD
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Provider Addresses for HELEN CHANG-DEGUZMAN (M.D.)
4923 OGLETOWN STANTON RD
STE 200
NEWARK, DE 197132081
Phone: (302) 225-0451
Fax: (302) 225-0472
Type: Mailing
West High Street, Elkton Heights, Elkton, Cecil County, Maryland, 21921, United States
SUITE 1A
ELKTON, MD 219218604
Phone: (410) 620-9200
Fax: (410) 620-9207
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 92 Open Payments records for all available years, with a total value of $2,259.
Total Amount is formed as General ($2,259) + Research ($0) + Ownership ($0) = $2,259.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($538).
Total Amount
$2,259
General + Research + Ownership
Payments
92
Total payment records
General Amount
$2,259
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2011-03-17
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 |
|---|---|---|---|---|
| I20040527000281 | I | Nephrology | DE | TBD |
| I20110317000106 | I | Nephrology | MD | 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 |
|---|---|---|---|---|
| Q5106 | Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units | 880 | 14 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 458 | 278 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 190 | 151 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 166 | 88 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 147 | 69 | $0 |
Insurance plans in this area (ZIP 19713)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEPHROLOGY | MD | 81002 | Urinalysis, manual test | 42 | 42 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | DE | |
| - | DE | |
| Nurse Practitioner | DE | |
| Nurse Practitioner | DE | |
| Nephrology, Internal Medicine | DE | |
| Nephrology, Internal Medicine | NY | |
| Nurse Practitioner | DE | |
| - | DE | |
| Nephrology, Internal Medicine | DE | |
| - | DE |
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