Tianxu Xia, MD
NPI 1659753705 · Behavioral Neurology & Neuropsychiatry Physician · Houston, TX
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tianxu Xia, MD is a Behavioral Neurology & Neuropsychiatry Physician provider in Houston, TX (NPI 1659753705).
Provider details
- NPI number
- 1659753705
- Entity type
- Individual
- Primary specialty
- Behavioral Neurology & Neuropsychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 306460 (NY)
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
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
953 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) |
|---|---|---|
| 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 | 326 | $18 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 249 | $200 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 168 | $36 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 71 | $246 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Escitalopram Oxalate | 396 | 105 |
| Galantamine Hbrbrand: Galantamine Er | 260 | 76 |
| Donepezil Hcl | 239 | 86 |
| Galantamine Hbr | 98 | 30 |
| Trazodone Hcl | 88 | 36 |
| Quetiapine Fumarate | 76 | 33 |
| Sertraline Hcl | 75 | 17 |
Practice location
Mailing address
Additional practice locations (2)
- 5 E 98th St Fl 7New York, NY 10029-6501Phone: (212) 241-7076
- 6410 Fannin St Ste 1014Houston, TX 77030-5301Phone: (832) 325-7080Fax: (713) 512-2239
Registry dates
- Enumerated
- 2015-06-25
- Last updated
- 2025-03-19
- Certified
- 2025-03-19
Frequently asked questions
- What is Tianxu Xia's NPI number?
- Tianxu Xia's National Provider Identifier (NPI) is 1659753705, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tianxu Xia's specialty?
- Tianxu Xia is listed in the NPPES registry with a primary specialty of Behavioral Neurology & Neuropsychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Tianxu Xia located?
- Tianxu Xia's practice location on file with NPPES is 1941 East Rd Ste 4358, Houston, TX 77054-6010.
- What is Tianxu Xia's phone number?
- The practice phone number listed in the NPPES registry for Tianxu Xia is (713) 486-0500.
- Does Tianxu Xia accept Medicare?
- Tianxu Xia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tianxu Xia's NPI active?
- Yes — Tianxu Xia's NPI (1659753705) is active in the NPPES registry as of the last update on 2025-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.