PATRICK A SIAW M.D.
NPI 1922039213
Internal Medicine in Buffalo, NY

Active since July 05, 2006PECOS EnrolledAccepts Medicare Assignment
2157 MAIN ST, BUFFALO, NY 14214(716) 862-1984(716) 862-1891 Get Directions Write a Review

NPPES record last updated: December 7, 2011. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Patrick A Siaw M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PATRICK A SIAW M.D. (NPI 1922039213) is an individual internal medicine provider in Buffalo, New York, licensed in New York (211163) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Kaleida Health, and is a graduate of Other (1989).

NPPES Registry Identity

NPI1922039213
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NamePATRICK A SIAWCredential: M.D.
Location Address2157 MAIN STBuffalo, NY 14214-2648
Mailing Address2157 Main StBuffalo, NY 14214-2648 · (716) 862-1984 · Fax (716) 862-1891
Fax(716) 862-1891
Sole ProprietorNo
Medical School CMSOtherGraduated 1989
Enumeration DateJuly 5, 2006
Last NPPES UpdateDecember 7, 2011
NPI 1922039213 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NY · 211163
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

2157 MAIN ST, Buffalo, NY 14214

Other Identifiers 5

Other000525325005NY · Blue Cross Of Wny
Medicare ID-Type UnspecifiedCC3259NY · Medicare B
Medicare UPING88990
Other00010370101NY · Univera
Other0410363NY · Independent Health

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Patrick A Siaw M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1355329996
PECOS Enrollment IDI20040710000232
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Follow-up nursing facility visit per day, typically 25 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
306 services69 patients
Follow-up nursing facility visit per day, typically 25 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
194 services28 patients
Initial nursing facility visit per day, typically 35 minutes 99305
An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.
77 services75 patients
Initial nursing facility visit per day, typically 45 minutes 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
75 services71 patients
Follow-up nursing facility visit per day, typically 15 minutes 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
50 services27 patients
Nursing facility annual assessment, typically 30 minutes 99318
An annual assessment at a nursing facility is a routine check-up that typically lasts about 30 minutes. It's a chance for healthcare professionals to evaluate your overall health and wellness, monitor any ongoing conditions, and adjust care plans as needed.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Kaleida Health

Acute Care Hospitals · Buffalo, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330005
Location100 High StreetBuffalo, NY 14210 · Erie County
Emergency services Birthing friendly

Sisters Of Charity Hospital

Acute Care Hospitals · Buffalo, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330078
Location2157 Main StreetBuffalo, NY 14214 · Erie County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14214 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.87 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Insertion tray with drainage bag with indwelling catheter, foley type, two-way latex with coating (teflon, silicone, silicone elastomer or hydrophilic, etc.) A4314
DME-Orthotic Devices · category DF000N
1 supplier18 claims18 services$22.30 avg. paid by Medicare
Urinary catheter anchoring device, leg strap, each A4334
DME-Orthotic Devices · category DF000N
1 supplier18 claims18 services$4.50 avg. paid by Medicare
Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357
DME-Orthotic Devices · category DF000N
1 supplier19 claims20 services$8.93 avg. paid by Medicare
Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034
Other-Enteral and Parenteral · category OB006N
1 supplier22 claims308 services$2.18 avg. paid by Medicare
Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152
Other-Enteral and Parenteral · category OB006N
1 supplier15 claims3,814 services$0.24 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
2 suppliers22 claims23 services$20.64 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Adult Day Care)
2157 MAIN ST
BUFFALO, NY 14214
Physical Medicine & Rehabilitation
2157 MAIN ST
BUFFALO, NY 14214
Advanced Practice Midwife
2157 MAIN ST
BUFFALO, NY 14214
Radiology (Diagnostic Radiology)
2157 MAIN ST
BUFFALO, NY 14214
Psychiatry & Neurology (Neurology)
2157 MAIN ST, SISTERS OF CHARITY HOSPITAL
BUFFALO, NY 14214
Obstetrics & Gynecology
2157 MAIN ST
BUFFALO, NY 14214
Obstetrics & Gynecology
2157 MAIN ST
BUFFALO, NY 14214
Obstetrics & Gynecology (Obstetrics)
2157 MAIN ST
BUFFALO, NY 14214

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Patrick Siaw's NPI number?

The NPI number for Patrick Siaw is 1922039213. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is Patrick Siaw located?

Patrick Siaw practices at 2157 Main St, Buffalo, NY 14214. The listed phone number is (716) 862-1984.

What is Patrick Siaw's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Patrick Siaw enrolled in Medicare?

Yes. Patrick Siaw is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Patrick Siaw affiliated with any hospitals?

According to CMS data, Patrick Siaw is affiliated with Kaleida Health and Sisters Of Charity Hospital.

When was this NPI record last updated?

The NPPES record for Patrick Siaw was last updated on December 7, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.