Zazen Surgery Center, LLC
NPI 1639668080 · Ambulatory Surgical Clinic/Center · Katy, TX
Enrolled with Medicare as Part B Supplier - Ambulatory Surgical Center · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zazen Surgery Center, LLC is a Ambulatory Surgical Clinic/Center organization in Katy, TX (NPI 1639668080).
Provider details
- NPI number
- 1639668080
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Vivian Asamoah, Chairman(281) 869-3011
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
209 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) |
|---|---|---|
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 66 | $535 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 62 | $318 |
| Colorectal Cancer Screening; Colonoscopy on Individual Not Meeting Criteria for High RiskG0121 | 36 | $465 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 24 | $465 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 21 | $603 |
Typical Medicare-allowed amounts for these services range $318–$603 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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
Registry dates
- Enumerated
- 2018-05-01
- Last updated
- 2019-12-19
- Certified
- 2019-12-19
Frequently asked questions
- What is Zazen Surgery Center, LLC's NPI number?
- Zazen Surgery Center, LLC's National Provider Identifier (NPI) is 1639668080, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Zazen Surgery Center, LLC?
- Zazen Surgery Center, LLC is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Zazen Surgery Center, LLC located?
- Zazen Surgery Center, LLC's practice location on file with NPPES is 25230 Kingsland Blvd, Katy, TX 77494-3256.
- What is Zazen Surgery Center, LLC's phone number?
- The practice phone number listed in the NPPES registry for Zazen Surgery Center, LLC is (818) 692-3011.
- Does Zazen Surgery Center, LLC accept Medicare?
- Zazen Surgery Center, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Zazen Surgery Center, LLC?
- The authorized official listed on Zazen Surgery Center, LLC's NPPES record is Vivian Asamoah, Chairman. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Zazen Surgery Center, LLC's NPI active?
- Yes — Zazen Surgery Center, LLC's NPI (1639668080) is active in the NPPES registry as of the last update on 2019-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.