Physician Profile
Unclaimed ProfileAbout SIAW
Patrick A Siaw, M.D. is a healthcare provider in Buffalo, NY specialising in internal medicine. Medicare claims data shows Patrick provided 866 services to 316 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Siaw?
Dr. Siaw is an internal medicine in Buffalo, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Siaw's address?
Dr. Siaw is listed at 2157 MAIN ST, Buffalo, NY 14214. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Siaw?
The number on file is (716) 862-1984. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Siaw?
Dr. Siaw's National Provider Identifier is 1922039213. 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
Where did Dr. Siaw train?
Dr. Siaw attended Other, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Siaw have?
Dr. Siaw has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Siaw perform?
According to Medicare billing data, Dr. Siaw 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
Is Dr. Siaw's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Siaw. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (716) 862-1984
- Email not available
Practice Locations
2157 MAIN ST
Buffalo, NY 14214
Procedures Most Often Billed to Medicare
866 services · 316 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
410 |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
207 |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
50 |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
41 |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
39 |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
36 |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
33 |
| Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | Office visit | 99305 |
25 |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | Office visit | 99307 |
13 |
| Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | Office visit | 99305 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other internal medicines in Buffalo 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at Other 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.