Mark Mangkhalakhili, PA-C
NPI 1508517897 · Physician Assistant · Williamsville, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Mangkhalakhili, PA-C is a Physician Assistant provider in Williamsville, NY (NPI 1508517897).
Provider details
- NPI number
- 1508517897
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA9474 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
542 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 312 | $90 |
| 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.)G3003 | 230 | $22 |
Typical Medicare-allowed amounts for these services range $22–$90 (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 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tizanidine Hcl | 336 | 112 |
| Oxycodone Hcl | 326 | 75 |
| Lorazepam | 248 | 141 |
| Gabapentin | 238 | 69 |
| Pregabalin | 201 | 52 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 173 | 44 |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,113 across 122 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
Registry dates
- Enumerated
- 2022-01-18
- Last updated
- 2025-02-12
- Certified
- 2025-02-12
Frequently asked questions
- What is Mark Mangkhalakhili's NPI number?
- Mark Mangkhalakhili's National Provider Identifier (NPI) is 1508517897, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Mangkhalakhili's specialty?
- Mark Mangkhalakhili is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Mangkhalakhili located?
- Mark Mangkhalakhili's practice location on file with NPPES is 400 International Dr, Williamsville, NY 14221-5771.
- What is Mark Mangkhalakhili's phone number?
- The practice phone number listed in the NPPES registry for Mark Mangkhalakhili is (716) 631-3555.
- Does Mark Mangkhalakhili accept Medicare?
- Mark Mangkhalakhili is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Mangkhalakhili's NPI active?
- Yes — Mark Mangkhalakhili's NPI (1508517897) is active in the NPPES registry as of the last update on 2025-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.