NADIA MCFARLANE MD PLLC
NADIA MCFARLANE MD PLLC is an organization registered with the National Plan and Provider Enumeration System (NPPES) under NPI 1619406220, based in Katy, TX. It is classified under Child & Adolescent Psychiatry Physician.
Getting there
The practice address on file is 633 E FERNHURST DR STE 304, Katy, TX 77450. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| Q7422 | TX | Child & Adolescent Psychiatry Physician primary |
This provider holds licence Q7422 issued in TX. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
- Status
- Approved
- Provider type
- Part B Supplier - Clinic/group Practice
- PAC ID
- 7012287295
Enrolled in Medicare 3 times, across 3 states:
| State | Enrollment ID | Provider type |
|---|---|---|
| Texas | O20170720001417 | Part B Supplier - Clinic/group Practice |
| Maryland | O20260211003697 | Part B Supplier - Clinic/group Practice |
| Delaware | O20260224000724 | Part B Supplier - Clinic/group Practice |
Medicare enrolment is recorded as approved under the provider type Part B Supplier - Clinic/group Practice. There are 3 separate enrolment records across 3 states (TX, MD, DE). Multiple enrolments usually mean the provider bills Medicare from more than one practice location, or has kept an earlier enrolment after moving. Each record carries its own enrolment ID, listed above. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.
What Child & Adolescent Psychiatry covers
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence. NUCC Health Care Provider Taxonomy, code 2084P0804X
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-2 identifies an organization — a clinic, hospital, group practice, laboratory, or supplier. Individual clinicians working there hold their own NPI-1 numbers separately, so a bill may reference both.
| NPI | 1619406220 valid check digit |
|---|---|
| Entity type | Organization (NPI-2) |
| Enumeration date | Jun 7, 2017 |
| Last updated | Jun 18, 2025 |
| Status | Active |
| Practice address |
633 E FERNHURST DR STE 304 Katy, TX 77450 (346) 361-0100 Fax (833) 972-5629 |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 6 | 1 | 9 | 4 | 0 | 6 | 2 | 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 6 | 2 | 9 | 8 | 0 | 3 | 2 | 4 |
Sum = 60 · next multiple of 10 = 60 · check digit = 0 · actual last digit = 0
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.