National Provider Identifier

Patrick A Siaw, M.D.

Patrick A Siaw, M.D. is listed in the NPPES registry with a primary specialty of Internal Medicine Physician in Buffalo, NY and a listed phone number of (716) 862-1984.

NPI 1922039213Buffalo, NYInternal Medicine Physician

Source: public NPPES record, last updated December 07, 2011. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.

Profile Overview

NPI
1922039213
Provider Type
Individual
Primary Specialty
Internal Medicine Physician
Enumeration Date
July 05, 2006
Last Updated
December 07, 2011

Practice Location

  • 2157 Main St
  • Buffalo, NY 14214-2648

Phone: (716) 862-1984

Specialties

  • Internal Medicine Physician (207R00000X)

Browse Similar Providers

See more providers in the Internal Medicine classification in Buffalo, NY.

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Medicare Part B Activity

Reported 866 Medicare fee-for-service service lines in 2024.

Peer comparison

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

This provider is in the 80th percentile for Medicare service volume.

Higher volume than most peers.

Performs 136% more Medicare services than the peer median.

Higher than 532 of 665 peers.

Activity Percentile
80.0%
Rank by Services
133 of 665
Total Services
866
Est. Allowed Value
$94,202.49
Dataset Year
2024
Drug Code Share
0.0%

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 94,260 total Medicare services.

Top Clinical Services

Full Record
NPI
1922039213
Entity Type
Individual
Last Name
Siaw
First Name
Patrick
Middle Name
A
Credential
M.D.
Mailing Street Address
2157 Main St
Mailing City
Buffalo
Mailing State
NY
Mailing ZIP Code
14214-2648
Mailing Country
US
Mailing Phone
(716) 862-1984
Mailing Fax
(716) 862-1891
Practice Street Address
2157 Main St
Practice City
Buffalo
Practice State
NY
Practice ZIP Code
14214-2648
Practice Country
US
Practice Phone
(716) 862-1984
Practice Fax
(716) 862-1891
Enumeration Date
July 05, 2006
Last Updated
December 07, 2011
Sex
Male
Sole Proprietor
No
Taxonomies
Internal Medicine Physician (207R00000X)
Other Identifiers
00010370101 (NY, Univera), 000525325005 (NY, Blue Cross Of Wny), 0410363 (NY, Independent Health)