Physician Profile
Unclaimed ProfileAbout SONSTEIN
William J Sonstein, M.D. practises neurosurgery in Rockville Centre, NY. William is a 1991 graduate of Temple University School of Medicine. William is also listed as specialising in specialist.
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 is Dr. Sonstein's specialty?
Dr. Sonstein is a neurosurgery in Rockville Centre, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEUROSURGERY”.
NPI registry
Where can I find Dr. Sonstein?
Dr. Sonstein is listed at 100 MERRICK RD SUITE 128 W, Rockville Centre, NY 11570. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Sonstein?
The number on file is (516) 255-9031. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Sonstein?
Dr. Sonstein's National Provider Identifier is 1669495305. 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
What is Dr. Sonstein's medical education?
Dr. Sonstein attended Temple University School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Sonstein have?
Dr. Sonstein has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Sonstein known for?
According to Medicare billing data, Dr. Sonstein performs procedures including release of unspecified nerve, partial removal of spine bone with release of spinal cord and/or nerves, each additional segment and fusion of additional segment of spine, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Sonstein's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sonstein. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (516) 255-9031
- Email not available
Practice Locations
100 MERRICK RD SUITE 128 W
Rockville Centre, NY 11570
Procedures Most Often Billed to Medicare
284 services · 204 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Release of unspecified nerve | Procedure | 64722 |
62 |
| Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment | Procedure | 63048 |
29 |
| Fusion of additional segment of spine | Procedure | 22614 |
21 |
| Fusion of spine in lower back | Procedure | 22612 |
19 |
| Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | Procedure | 63047 |
13 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
70 |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
70 |
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 neurosurgery specialists at this location 6
Same specialty, same street address — most likely the same department or group.
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.
Trained at Temple University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 9 related providers in 2 groups
Class of 1991 at Temple University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Release of unspecified nerve 1
Providers in NY 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.