Yili Guo, M.D.
NPI 1043278120 · Internal Medicine Physician · Berwyn, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yili Guo, M.D. is a Internal Medicine Physician provider in Berwyn, IL (NPI 1043278120).
Provider details
- NPI number
- 1043278120
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
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
20 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,498 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 | 347 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 250 | $98 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 249 | $87 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 235 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 101 | $144 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 130 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 528 | 170 |
| Amlodipine Besylate | 358 | 117 |
| Carvedilol | 305 | 110 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 297 | 49 |
| Triamterene/Hydrochlorothiazidbrand: Triamterene-Hydrochlorothiazid | 247 | 74 |
| Pantoprazole Sodium | 245 | 83 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Yili Guo's NPI number?
- Yili Guo's National Provider Identifier (NPI) is 1043278120, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yili Guo's specialty?
- Yili Guo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yili Guo located?
- Yili Guo's practice location on file with NPPES is 6538 Cermak Rd, Berwyn, IL 60402-2899.
- What is Yili Guo's phone number?
- The practice phone number listed in the NPPES registry for Yili Guo is (708) 795-8900.
- Does Yili Guo accept Medicare?
- Yili Guo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yili Guo's NPI active?
- Yes — Yili Guo's NPI (1043278120) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.