Provider Profile
Mark Mangkhalakhili, PA-C is a physician assistant based in Williamsville, NY. Medicare claims data shows Mark provided 542 services to 56 patients. The services billed most often include subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes and each additional 15 minutes of chronic pain management and treatment by a physician or other qualified health care professional, per calendar month. (list separately in addition to code for g3002. when using g3003, 15 minutes must be met or exceeded.).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
400 INTERNATIONAL DR
Williamsville, NY 14221
542 services · 56 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
312 | As often as other peers in Physician Assistant |
| Each additional 15 minutes of chronic pain management and treatment by a physician or other qualified health care professional, per calendar month. (list separately in addition to code for g3002. when using g3003, 15 minutes must be met or exceeded.) | Billing code | G3003 |
230 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Mark Mangkhalakhili is a physician assistant in Williamsville, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Mark Mangkhalakhili is listed at 400 International Dr, Williamsville, NY 14221. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (716) 631-3555. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Mark Mangkhalakhili's National Provider Identifier is 1508517897. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Mark Mangkhalakhili attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
Mark Mangkhalakhili has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Mark Mangkhalakhili the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Mark Mangkhalakhili. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.