Lizhu Gao, M.D.
NPI 1790867521 · Internal Medicine Physician · Palos Heights, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lizhu Gao, M.D. is a Internal Medicine Physician provider in Palos Heights, IL (NPI 1790867521).
Provider details
- NPI number
- 1790867521
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 4301089167 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
91 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 34 | $222 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 32 | $122 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 14 | $83 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 11 | $178 |
Typical Medicare-allowed amounts for these services range $83–$222 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 965 S Bailey AveSouth Haven, MI 49090-9701Phone: (269) 639-2777Fax: (269) 639-2818
Registry dates
- Enumerated
- 2006-10-20
- Last updated
- 2018-03-08
Frequently asked questions
- What is Lizhu Gao's NPI number?
- Lizhu Gao's National Provider Identifier (NPI) is 1790867521, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lizhu Gao's specialty?
- Lizhu Gao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lizhu Gao located?
- Lizhu Gao's practice location on file with NPPES is 12632 S Harlem Ave, Palos Heights, IL 60463-1428.
- What is Lizhu Gao's phone number?
- The practice phone number listed in the NPPES registry for Lizhu Gao is (708) 587-0000.
- Does Lizhu Gao accept Medicare?
- Lizhu Gao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lizhu Gao's NPI active?
- Yes — Lizhu Gao's NPI (1790867521) is active in the NPPES registry as of the last update on 2018-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.