STEVEN SHMUEL LOCK M.D.
NPI 1629409644
Emergency Medicine in Brooklyn, NY
About Steven Shmuel Lock M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN SHMUEL LOCK M.D. (NPI 1629409644) is an individual emergency medicine provider in Brooklyn, New York, licensed in Nevada (16350) and active in the NPI registry since December 2013. He is enrolled in Medicare PECOS, is affiliated with Broward Health Medical Center, and maintains a secondary practice location in Belleville.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Steven Shmuel Lock 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.
Medicare Billing Reassignments
26Medicare enrollment records show Steven Lock reassigns Medicare billing to 26 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
East Patchogue, NY 11772
- Reassigned Medicare billing, New York enrollment
- 640 clinicians in this Medicare group
Amsterdam, NY 12010
- Reassigned Medicare billing, New York enrollment
- 63 clinicians in this Medicare group
Amsterdam, NY 12010
- Reassigned Medicare billing, New York enrollment
- 65 clinicians in this Medicare group
Sodus, NY 14551
- Reassigned Medicare billing, New York enrollment
- 2,285 clinicians in this Medicare group
Batavia, NY 14020
- Reassigned Medicare billing, New York enrollment
- 782 clinicians in this Medicare group
Hinsdale, IL 60521
- Reassigned Medicare billing, Illinois enrollment
- 108 clinicians in this Medicare group
Jesup, GA 31545
- Reassigned Medicare billing, Nevada enrollment
- 74 clinicians in this Medicare group
Orange Park, FL 32073
- Reassigned Medicare billing, Florida enrollment
- 903 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Kansas enrollment
- 175 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Illinois enrollment
- 507 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Broward Health Medical Center
Acute Care Hospitals · Fort Lauderdale, FLHilo Medical Center
Acute Care Hospitals · Hilo, HIKau Hospital
Critical Access Hospitals · Pahala, HIOsf Little Company Of Mary Medical Center
Acute Care Hospitals · Evergreen Park, ILWyoming Medical Center
Acute Care Hospitals · Casper, WYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11230 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Steven Lock's NPI number?
The NPI number for Steven Lock is 1629409644. It was assigned to this individual provider in the NPPES registry on December 1, 2013.
Where is Steven Lock located?
Steven Lock practices at 1801 Avenue J, Brooklyn, NY 11230. The listed phone number is (786) 348-8107.
What is Steven Lock's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Steven Lock enrolled in Medicare?
Yes. Steven Lock 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.
Which organizations bill Medicare for Steven Lock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Lock reassigns Medicare benefits to 26 organizations: Cogent Medical Care PC (East Patchogue, NY), Upstate Ny Doctor Of Medicine PLLC (Amsterdam, NY), Wajeeh Sana Physician PC (Amsterdam, NY), Rochester General Hospital (Sodus, NY), United Memorial Medical Center (Batavia, NY) and 21 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Steven Lock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Lock accept?
Health plans from HMO Louisiana list Steven Lock as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Steven Lock affiliated with any hospitals?
According to CMS data, Steven Lock is affiliated with Broward Health Medical Center, Hilo Medical Center, Kau Hospital, Osf Little Company Of Mary Medical Center and Wyoming Medical Center.
When was this NPI record last updated?
The NPPES record for Steven Lock was last updated on September 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Steven Shmuel Lock, M.D. · NPI 1629409644
Emergency Medicine physician in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since December 1, 2013.
## Identity
- **NPI:** 1629409644 (Entity type: Individual)
- **Enumerated:** December 1, 2013
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 16350 (Nevada)
- **Sole proprietor:** No
## Practice location
- **Address:** 1801 AVENUE J, Brooklyn, NY 11230
- **Phone:** (786) 348-8107
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 26 organizations under Medicare reassignment (form CMS-855R): Cogent Medical Care PC (NPI 1912941238, East Patchogue, NY); Upstate Ny Doctor Of Medicine PLLC (NPI 1356171490, Amsterdam, NY); Wajeeh Sana Physician PC (NPI 1700643830, Amsterdam, NY); Rochester General Hospital (NPI 1821163718, Sodus, NY); United Memorial Medical Center (NPI 1669747085, Batavia, NY); and 21 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** September 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1629409644) · Data from the CMS NPPES public registry.