Michael Liu
NPI 1669009866 · Sleep Medicine (Internal Medicine) Physician · St Petersburg, FL
Enrolled with Medicare as Practitioner - Sleep Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Liu is a Sleep Medicine (Internal Medicine) Physician provider in St Petersburg, FL (NPI 1669009866).
Provider details
- NPI number
- 1669009866
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
206 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| 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 | 86 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 37 | $132 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 35 | $168 |
| Sleep Study in Sleep Lab With Continuous Airway Pressure (6 Years Or Older)95811 | 28 | $121 |
| Sleep Study in Sleep Lab (6 Years Or Older)95810 | 20 | $117 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$231 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-26
- Last updated
- 2024-05-02
- Certified
- 2024-05-02
Frequently asked questions
- What is Michael Liu's NPI number?
- Michael Liu's National Provider Identifier (NPI) is 1669009866, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Liu's specialty?
- Michael Liu is listed in the NPPES registry with a primary specialty of Sleep Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Liu located?
- Michael Liu's practice location on file with NPPES is 6000 49th St N, St Petersburg, FL 33709-2114.
- What is Michael Liu's phone number?
- The practice phone number listed in the NPPES registry for Michael Liu is (727) 521-5057.
- Does Michael Liu accept Medicare?
- Michael Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Liu's NPI active?
- Yes — Michael Liu's NPI (1669009866) is active in the NPPES registry as of the last update on 2024-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.