Lan Nguyen, M.D.
NPI 1477632586 · Physical Medicine & Rehabilitation Physician · Tomball, TX
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lan Nguyen, M.D. is a Physical Medicine & Rehabilitation Physician provider in Tomball, TX (NPI 1477632586).
Provider details
- NPI number
- 1477632586
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- M5406 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
306 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 | 216 | $129 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 51 | $95 |
| Nerve Conduction, 13 Or More Studies95913 | 20 | $283 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 19 | $169 |
Typical Medicare-allowed amounts for these services range $95–$283 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 449 | 64 |
| Gabapentin | 268 | 63 |
| Tizanidine Hcl | 263 | 51 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 152 | 32 |
| Tramadol Hcl | 127 | 37 |
| Pregabalin | 94 | 16 |
| Cyclobenzaprine Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$635 across 11 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 (5)
- 22485 Tomball Pkwy Ste 2100Houston, TX 77070-1560Phone: (281) 955-2650Fax: (281) 955-5875
- 847 Cypress Creek Pkwy Ste 100Houston, TX 77090-3427Phone: (281) 636-6101Fax: (281) 667-0910
- 601 Rockmead Dr Ste 100Kingwood, TX 77339-2107Phone: (281) 955-2650Fax: (281) 955-5875
- 5039 Fm 2920 RdSpring, TX 77388-3114Phone: (281) 636-6101Fax: (281) 667-0910
- 2255 E Mossy Oaks Rd Ste 500Spring, TX 77389-1813Phone: (281) 636-6101Fax: (281) 667-0910
Registry dates
- Enumerated
- 2006-11-02
- Last updated
- 2025-08-28
- Certified
- 2025-08-28
Frequently asked questions
- What is Lan Nguyen's NPI number?
- Lan Nguyen's National Provider Identifier (NPI) is 1477632586, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lan Nguyen's specialty?
- Lan Nguyen is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Lan Nguyen located?
- Lan Nguyen's practice location on file with NPPES is 1101 Alma St Ste 106, Tomball, TX 77375-4559.
- What is Lan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Lan Nguyen is (281) 636-6101.
- Does Lan Nguyen accept Medicare?
- Lan Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lan Nguyen's NPI active?
- Yes — Lan Nguyen's NPI (1477632586) is active in the NPPES registry as of the last update on 2025-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.