MARY ANGELI DEL ROSARIO LOCK M.D.
NPI 1174948905
Emergency Medicine in Brooklyn, NY
About Mary Angeli Del Rosario Lock M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ANGELI DEL ROSARIO LOCK M.D. (NPI 1174948905) is an individual emergency medicine provider in Brooklyn, New York, licensed in Nevada (16333) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, is affiliated with Hilo Medical Center, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 3
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
Mary Angeli Del Rosario 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
16Medicare enrollment records show Mary Angeli Lock reassigns Medicare billing to 16 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
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
Pensacola, FL 32514
- Reassigned Medicare billing, Florida enrollment
- 601 clinicians in this Medicare group
Boca Raton, FL 33428
- Reassigned Medicare billing, Florida enrollment
- 516 clinicians in this Medicare group
Fort Myers, FL 33908
- Reassigned Medicare billing, Florida enrollment
- 1,899 clinicians in this Medicare group
Sulphur, LA 70663
- Reassigned Medicare billing, Louisiana enrollment
- 121 clinicians in this Medicare group
Dodge City, KS 67801
- Reassigned Medicare billing, Kansas enrollment
- 96 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Louisiana enrollment
- 169 clinicians in this Medicare group
Casper, WY 82601
- Reassigned Medicare billing, Wyoming enrollment
- 108 clinicians in this Medicare group
Show Low, AZ 85901
- Reassigned Medicare billing, Arizona enrollment
- 117 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 2
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hilo Medical Center
Acute Care Hospitals · Hilo, HIWyoming Medical Center
Acute Care Hospitals · Casper, WYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11237 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BROOKLYN, NY 11237
BROOKLYN, NY 11237
BROOKLYN, NY 11237
BROOKLYN, NY 11237
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 Mary Angeli Lock's NPI number?
The NPI number for Mary Angeli Lock is 1174948905. It was assigned to this individual provider in the NPPES registry on March 4, 2014.
Where is Mary Angeli Lock located?
Mary Angeli Lock practices at 374 Stockholm St, Brooklyn, NY 11237. The listed phone number is (718) 963-7585.
What is Mary Angeli Lock's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mary Angeli Lock enrolled in Medicare?
Yes. Mary Angeli 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 Mary Angeli Lock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Angeli Lock reassigns Medicare benefits to 16 organizations: Rabessler MD PC (Jesup, GA), Inpatient Consultants Of Florida, Inc (Orange Park, FL), Hospital Physician Services Of Florida PA (Pensacola, FL), Florida Hospital Medicine Services, LLC. (Boca Raton, FL), Lee Health System Inc (Fort Myers, FL) and 11 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 Mary Angeli Lock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Angeli Lock accept?
Health plans from HMO Louisiana list Mary Angeli 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 Mary Angeli Lock affiliated with any hospitals?
According to CMS data, Mary Angeli Lock is affiliated with Hilo Medical Center and Wyoming Medical Center.
When was this NPI record last updated?
The NPPES record for Mary Angeli Lock was last updated on June 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Mary Angeli Del Rosario Lock, M.D. · NPI 1174948905
Emergency Medicine physician in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since March 4, 2014.
## Identity
- **NPI:** 1174948905 (Entity type: Individual)
- **Enumerated:** March 4, 2014
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 16333 (Nevada)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 374 STOCKHOLM ST, Brooklyn, NY 11237-4006
- **Phone:** (718) 963-7585
## 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:** 16 organizations under Medicare reassignment (form CMS-855R): Rabessler MD PC (NPI 1174731970, Jesup, GA); Inpatient Consultants Of Florida, Inc (NPI 1396795597, Orange Park, FL); Hospital Physician Services Of Florida PA (NPI 1558718635, Pensacola, FL); Florida Hospital Medicine Services, LLC. (NPI 1508873183, Boca Raton, FL); Lee Health System Inc (NPI 1942058557, Fort Myers, FL); and 11 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** June 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1174948905) · Data from the CMS NPPES public registry.