Physician Profile
Unclaimed ProfileAbout SY
Based in Long Beach, CA, John Sy, M.D. is listed in the NPI registry under nephrology. John graduated from University of Texas Southwestern Medical School at Dallas in 2012.
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 does Dr. Sy specialise in?
Dr. Sy is a nephrology in Long Beach, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEPHROLOGY”.
NPI registry
Where is Dr. Sy located?
Dr. Sy is listed at 5901 E 7TH ST MAIL CODE 11/111ND, Long Beach, CA 90822. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Sy's phone number?
The number on file is (562) 826-8000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Sy's NPI number?
Dr. Sy's National Provider Identifier is 1639435738. 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. Sy go to medical school?
Dr. Sy attended University of Texas Southwestern Medical School at Dallas, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Sy been practising?
Dr. Sy has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Sy do most often?
According to Medicare billing data, Dr. Sy provides treatments such as dialysis services, 4 or more physician visits per month and dialysis services, 2-3 physician visits per month, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Sy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sy. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (562) 826-8000
- Email not available
Practice Locations
5901 E 7TH ST MAIL CODE 11/111ND
Long Beach, CA 90822
Procedures Most Often Billed to Medicare
1,323 services · 615 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
194 |
| Dialysis services, 2-3 physician visits per month (20 years or older) | Treatment | 90961 |
52 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
312 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
305 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
180 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
127 |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
54 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
37 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
23 |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
20 |
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.
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.
Other nephrology specialists in Long Beach 8
Same specialty, same city.
Trained at University of Texas Southwestern Medical School at Dallas 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2012 at University of Texas Southwestern Medical School at Dallas 8
Providers who graduated from the same medical school in the same year.
Also performs Dialysis services, 4 or more physician visits per month (20 years or older) 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.