John Liu, MD
NPI 1255781274 · Endocrinology, Diabetes & Metabolism Physician · Shawnee Mission, KS
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Liu, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Shawnee Mission, KS (NPI 1255781274).
Provider details
- NPI number
- 1255781274
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2016019076 (MO)
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 tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,331 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 317 | $121 |
| Hemoglobin A1c Level83036 | 226 | $9 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 225 | $46 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 187 | $3 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 137 | $85 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 76 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 350 | 106 |
| Semaglutidebrand: Ozempic | 307 | 73 |
| Metformin Hclbrand: Metformin Hcl Er | 247 | 86 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 237 | 87 |
| Empagliflozinbrand: Jardiance | 202 | 56 |
| Metformin Hcl | 163 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,755 across 86 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
- 2016-06-21
- Last updated
- 2021-07-21
- Certified
- 2021-07-21
Frequently asked questions
- What is John Liu's NPI number?
- John Liu's National Provider Identifier (NPI) is 1255781274, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Liu's specialty?
- John Liu is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is John Liu located?
- John Liu's practice location on file with NPPES is 7450 Kessler St Ste 203, Shawnee Mission, KS 66204-2553.
- What is John Liu's phone number?
- The practice phone number listed in the NPPES registry for John Liu is (913) 789-3920.
- Does John Liu accept Medicare?
- John Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Liu's NPI active?
- Yes — John Liu's NPI (1255781274) is active in the NPPES registry as of the last update on 2021-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.