PHAMELA B. DE GUZMAN (MD) – Emergency Medicine Physician, NPI 1568674844
Emergency Medicine Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
5,052 FAMILY PRACTICE in IL
Provider Addresses for PHAMELA B. DE GUZMAN (MD)
16519 S ROUTE 59
PLAINFIELD, IL 605862607
Phone: (630) 646-5020
Type: Location
2000, Spring Road, Oak Brook, DuPage County, Illinois, 60523, United States
SUITE 200
OAK BROOK, IL 605231804
Phone: (630) 472-8810
Type: Mailing
East Lake Street, Bartlett, Hanover Township, Cook County, Illinois, 60107, United States
HANOVER PARK, IL 601334896
Phone: (847) 472-1500
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $36.
Total Amount is formed as General ($36) + Research ($0) + Ownership ($0) = $36.
Last reported payment date: 2023-08-18 • Largest payer in this snapshot: Abbott Laboratories ($22).
Total Amount
$36
General + Research + Ownership
Payments
2
Total payment records
General Amount
$36
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-08-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Abbott Laboratories | $22 |
| Lilly USA, LLC | $15 |
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: 2004-10-14
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20041014000203 | I | Family Practice | IL | 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 | 161 | 82 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 79 | 79 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 69 | 54 | $0 |
| 83036 | Hemoglobin a1c level | 37 | 20 | $0 |
| G0008 | Administration of influenza virus vaccine | 28 | 27 | $0 |
Insurance plans in this area (ZIP 60586)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| FAMILY MEDICINE | IL | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 26 | 26 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| N E U R O L O G Y | IL | |
| Hospitalist, Internal Medicine | IL | |
| O P H T H A L M O L O G Y | IL | |
| - | IL | |
| Allergy/Immunology, Internal Medicine | IL | |
| Physician Assistant | IL | |
| Hematology/Oncology, Internal Medicine | MO | |
| Nurse Practitioner | IL | |
| Gynecological Oncology, Obstetrics/Gynecology | IL |
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