National Provider Identifier

Sarwat Khawar, MD

Sarwat Khawar, MD is listed in the NPPES registry with a primary specialty of Internal Medicine Physician in Williamsville, NY and a listed phone number of (716) 632-3535.

NPI 1558396325Williamsville, NYInternal Medicine Physician

Source: public NPPES record, last updated February 03, 2026. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.

Profile Overview

NPI
1558396325
Provider Type
Individual
Primary Specialty
Internal Medicine Physician
Enumeration Date
July 11, 2006
Last Updated
February 03, 2026

Practice Location

  • 8433 Main St
  • Williamsville, NY 14221-6119

Phone: (716) 632-3535

Mailing Address

  • PO Box 65
  • Bowmansville, NY 14026-0065

Specialties

  • Internal Medicine Physician (207R00000X)

Browse Similar Providers

See more Internal Medicine providers in Buffalo, NY.

Open Internal Medicine providers in Buffalo, NY

Medicare Part B Activity

Reported 446 Medicare fee-for-service service lines in 2023.

Peer comparison

Compared to Internal Medicine providers in the Buffalo, NY metro area.

This provider is in the 58th percentile for Medicare service volume.

Around the middle of the peer group.

Performs 23% more Medicare services than the peer median.

Higher than 383 of 665 peers.

Activity Percentile
57.6%
Rank by Services
281 of 665
Total Services
446
Est. Allowed Value
$28,874.81
Dataset Year
2023
Drug Code Share
7.8%

Estimated allowed value reflects Medicare fee-for-service allowed amounts only. It does not include Medicare Advantage, commercial insurance, cash-pay services, or employment compensation.

Peers are grouped by the broader Internal Medicine classification rather than the exact subspecialty label shown elsewhere on the page.

Percentile distribution

Lowest-volume peersThis providerHighest-volume peers
0%10%20%30%40%50%60%70%80%90%+

Each bar represents a 10-point percentile band of peers by total Medicare services for Internal Medicine across the Buffalo, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.

Observed service range: 11 to 91,321 total Medicare services.

Top Clinical Services

Common Drug-Related Codes

Full Record
NPI
1558396325
Entity Type
Individual
Last Name
Khawar
First Name
Sarwat
Credential
MD
Mailing Street Address
PO Box 65
Mailing City
Bowmansville
Mailing State
NY
Mailing ZIP Code
14026-0065
Mailing Country
US
Mailing Phone
(716) 632-3535
Mailing Fax
(716) 226-3300
Practice Street Address
8433 Main St
Practice City
Williamsville
Practice State
NY
Practice ZIP Code
14221-6119
Practice Country
US
Practice Phone
(716) 632-3535
Practice Fax
(716) 226-3300
Enumeration Date
July 11, 2006
Last Updated
February 03, 2026
Sex
Male
Sole Proprietor
Yes
Certification Date
February 03, 2026
updated_by_file
npidata_pfile_20050523-20260308.csv
Taxonomies
Internal Medicine Physician (207R00000X)