Mark Liu, M.D.
NPI 1952539470 · Anesthesiology Physician · Colorado Springs, CO
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Liu, M.D. is a Anesthesiology Physician provider in Colorado Springs, CO (NPI 1952539470).
Provider details
- NPI number
- 1952539470
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25910 (NE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
4 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$36 across 2 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
Additional practice locations (3)
- 10th Mdg3102 Pinion DrUsaf Academy, CO 80840Phone: (719) 333-5254
- 1100 Wilford Hall LoopSan Antonio, TX 78236-5638Phone: (210) 916-8666
- 3551 Roger Brooke DrSan Antonio, TX 78234-4501Phone: (210) 916-8666
Registry dates
- Enumerated
- 2009-06-23
- Last updated
- 2022-10-11
- Certified
- 2022-10-11
Frequently asked questions
- What is Mark Liu's NPI number?
- Mark Liu's National Provider Identifier (NPI) is 1952539470, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Liu's specialty?
- Mark Liu is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Liu located?
- Mark Liu's practice location on file with NPPES is 1400 E Boulder St Ste 2508, Colorado Springs, CO 80909-5533.
- What is Mark Liu's phone number?
- The practice phone number listed in the NPPES registry for Mark Liu is (719) 365-6999.
- Does Mark Liu accept Medicare?
- Mark Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Liu's NPI active?
- Yes — Mark Liu's NPI (1952539470) is active in the NPPES registry as of the last update on 2022-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.