1. Home
  2. Directory
  3. Illinois
  4. Plainfield
  5. Family Medicine
  6. NPI Profile

PHAMELA B. DE GUZMAN MD
NPI 1568674844
Family Medicine in Plainfield, IL

Active since May 07, 2007PECOS EnrolledAccepts Medicare Assignment
91.35/100
CMS Quality Rating
16519 S ROUTE 59, PLAINFIELD, IL 60586(630) 646-5020 Get Directions Write a Review

NPPES record last updated: May 5, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 5, 2025, Feb 26, 2021 (2 updates tracked since 2021).

About Phamela B. De Guzman Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PHAMELA B. DE GUZMAN MD (NPI 1568674844) is an individual family medicine provider in Plainfield, Illinois, licensed in Illinois (036111272) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Swedish Hospital, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1568674844
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NamePHAMELA B. DE GUZMANCredential: MD
Location Address16519 S ROUTE 59Plainfield, IL 60586-2607
Mailing Address2000 Spring Rd, Suite 200Oak Brook, IL 60523-1804 · (630) 472-8810
Phone(630) 646-5020
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateMay 7, 2007
Last NPPES UpdateMay 5, 20252 updates tracked since enumeration
NPPES CertifiedMay 5, 2025
✔ NPI 1568674844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IL · 036111272
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
16519 S ROUTE 59, Plainfield, IL 60586
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Phamela B. De Guzman Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2860452869
PECOS Enrollment IDI20041014000203
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Phamela De Guzman reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Edward Health Ventures
Same address
Family Medicine
16519 S ROUTE 59
Plainfield, IL 60586
  • Reassigned Medicare billing, Illinois enrollment
  • 561 clinicians in this Medicare group
NPI 1578513511 (630) 646-5020
Edward Hospital
13 mi
General Acute Care Hospital
801 S WASHINGTON ST
Naperville, IL 60540
  • Reassigned Medicare billing, Illinois enrollment
  • 268 clinicians in this Medicare group
NPI 1013969013 (630) 655-0450
Endeavor Health Medical Group
43 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
146 services82 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
70 services70 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
46 services35 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
26 services16 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
21 services20 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
20 services19 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Swedish Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140114
Location5145 N California AveChicago, IL 60625 · Cook County
Emergency services Birthing friendly

Edward Hospital

Acute Care Hospitals · Naperville, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140231
Location801 South WashingtonNaperville, IL 60540 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60586 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.35/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.71
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers22 claims63 services$5.37 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DANIELLE MARIE EVERETT PA-C
Physician Assistant
16519 S ROUTE 59
PLAINFIELD, IL 60586
Will County (630) 870-7310
SHALINI KUMAR MD
Family Medicine
16519 S ROUTE 59
PLAINFIELD, IL 60586
Will County (630) 646-5020
CAITLIN CHENEY APN-CNP
Nurse Practitioner
16519 S ROUTE 59
PLAINFIELD, IL 60586
Will County (630) 646-5172
EDWARD HEALTH VENTURES
Family Medicine
16519 S ROUTE 59
PLAINFIELD, IL 60586
Will County (630) 646-5020
GINA T GEDUTIS APRN, FNP-C
Nurse Practitioner
16519 S ROUTE 59
PLAINFIELD, IL 60586
Will County (630) 646-5020
DR. ARPIT DEVENDRA PATEL M.D.
Family Medicine
16519 S ROUTE 59
PLAINFIELD, IL 60586
Will County (630) 527-3200
MRS. ELIZABETH AIMEE LAYFIELD PA-C
Physician Assistant
16519 S ROUTE 59
PLAINFIELD, IL 60586
Will County (630) 646-5020

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Phamela De Guzman's NPI number?

The NPI number for Phamela De Guzman is 1568674844. It was assigned to this individual provider in the NPPES registry on May 7, 2007.

Where is Phamela De Guzman located?

Phamela De Guzman practices at 16519 S Route 59, Plainfield, IL 60586. The listed phone number is (630) 646-5020.

What is Phamela De Guzman's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Phamela De Guzman enrolled in Medicare?

Yes. Phamela De Guzman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Phamela De Guzman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Phamela De Guzman reassigns Medicare benefits to 3 organizations: Edward Health Ventures (Plainfield, IL), Edward Hospital (Naperville, IL) and Endeavor Health Medical Group (Evanston, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Phamela De Guzman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Phamela De Guzman accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Phamela De Guzman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Phamela De Guzman affiliated with any hospitals?

According to CMS data, Phamela De Guzman is affiliated with Swedish Hospital and Edward Hospital.

When was this NPI record last updated?

The NPPES record for Phamela De Guzman was last updated on May 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.