Phamela De Guzman, MD
NPI 1568674844 · Family Medicine Physician · Plainfield, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Phamela De Guzman, MD is a Family Medicine Physician provider in Plainfield, IL (NPI 1568674844).
Provider details
- NPI number
- 1568674844
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036111272 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
344 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 146 | $136 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 70 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 46 | $93 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 35 | $17 |
| Hemoglobin A1c Level83036 | 26 | $10 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 239 | 70 |
| Losartan Potassium | 173 | 44 |
| Amlodipine Besylate | 131 | 42 |
| Levothyroxine Sodium | 130 | 34 |
| Lisinopril | 105 | 31 |
| Hydrochlorothiazide | 93 | 26 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-07
- Last updated
- 2025-05-05
- Certified
- 2025-05-05
Frequently asked questions
- What is Phamela De Guzman's NPI number?
- Phamela De Guzman's National Provider Identifier (NPI) is 1568674844, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phamela De Guzman's specialty?
- Phamela De Guzman is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Phamela De Guzman located?
- Phamela De Guzman's practice location on file with NPPES is 16519 S Route 59, Plainfield, IL 60586-2607.
- What is Phamela De Guzman's phone number?
- The practice phone number listed in the NPPES registry for Phamela De Guzman is (630) 646-5020.
- Does Phamela De Guzman accept Medicare?
- Phamela De Guzman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Phamela De Guzman's NPI active?
- Yes — Phamela De Guzman's NPI (1568674844) is active in the NPPES registry as of the last update on 2025-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.