Dr. Joseph D Locker , MD
Pathology - Anatomic Pathology • Bronx, NY
Mmc - Dept. Of Pathology, 1300 Morris Pk. Ave., Rm. 123
Bronx, NY 10461
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Dr. Joseph Locker is listed in NPPES under Pathology - Anatomic Pathology.
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NPI assigned on October 17, 2006; this date does not establish years in practice.
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Published CMS data list 181 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- G0452 — Molecular pathology procedure; physician interpretation and report: 119 service units.
- 88381 — Preparation of specimen, manual: 62 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See the full table · Guide: How to read Medicare Part B data
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Fewer Medicare Part B services than 90% of clinicians listed under Pathology - Anatomic Pathology in New York (2024, 184 clinicians with data). Median for this group: 1,195. Middle half: 541 to 2,137.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 258 in 2020 to 181 in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2020–2024.
Practice Location & Contact Primary Location
Mmc - Dept. Of Pathology
1300 Morris Pk. Ave., Rm. 123
Bronx, NY 10461
What Public CMS Data Show
Pathology - Anatomic Pathology: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
104 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.
Medicare-allowed amount
About $6,549 in 2024
The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
Paid by Medicare
About $5,488 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019–2025.
NPI first issued
2006
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians, CMS release of October 2, 2026; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians, CMS release of October 2, 2026.
Enrolled in Medicare (PECOS)
Dr. Locker has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Locker as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Bronx and New York
Billing and prescribing volume is not a quality rating.
Medicare Part B services
Fewer Medicare Part B services than 90% of clinicians listed under Pathology - Anatomic Pathology in New York (2024, 184 clinicians with data). Median for this group: 1,195. Middle half: 541 to 2,137.
Too few clinicians listed under Pathology - Anatomic Pathology in Bronx have Medicare Part B data for 2024 to compare.
Medicare-allowed amount
A lower Medicare-allowed amount than 90% of clinicians listed under Pathology - Anatomic Pathology in New York (2024, 184 clinicians with data). Median for this group: $57,049. Middle half: $24,153 to $94,101.
Too few clinicians listed under Pathology - Anatomic Pathology in Bronx have Medicare Part B data for 2024 to compare.
Paid by Medicare
A lower Medicare payment amount than 90% of clinicians listed under Pathology - Anatomic Pathology in New York (2024, 184 clinicians with data). Median for this group: $44,952. Middle half: $19,268 to $74,521.
Too few clinicians listed under Pathology - Anatomic Pathology in Bronx have Medicare Part B data for 2024 to compare.
26 active clinicians are listed under Pathology - Anatomic Pathology with a practice address in Bronx, NY (372 in New York).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Bronx
0% of these 26 clinicians have the CMS telehealth indicator.
11.5% of these 26 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services decreased 30% from 258 in 2020 to 181 in 2024.
- 2020: 258
- 2021: 248
- 2022: 138
- 2023: 99
- 2024: 181
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Medicare-allowed amount
Medicare-allowed amount increased 19% from $5,509 in 2020 to $6,549 in 2024.
- 2020: $5,509
- 2021: $9,619
- 2022: $5,192
- 2023: $3,680
- 2024: $6,549
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Paid by Medicare
Paid by Medicare increased 25% from $4,388 in 2020 to $5,488 in 2024.
- 2020: $4,388
- 2021: $7,715
- 2022: $4,353
- 2023: $3,067
- 2024: $5,488
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Doctors and Clinicians, CMS release of October 2, 2026, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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G0452
Molecular pathology procedure; physician interpretation and report
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119 | 104 | $272.99 | $43.70 |
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88381
Preparation of specimen, manual
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62 | 61 | $138.00 | $21.76 |
Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 207ZP0101X
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - PATHOLOGY
I20130328000076
PA
2365536109
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Pathology - Anatomic Pathology
Doctor of Medicine (M.D.)
Pathology - Anatomic Pathology & Clinical Pathology
Doctor of Medicine (M.D.)
Pathology - Cytopathology
Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)
Pathology - Anatomic Pathology
Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)
Pathology - Anatomic Pathology & Clinical Pathology
Doctor of Medicine (M.D.)
Pathology - Anatomic Pathology & Clinical Pathology
Doctor of Medicine (M.D.)
Career & Practice History
NPI enumerated October 17, 2006.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to November 2026.
NPI Administrative Meta
Other Pathology - Anatomic Pathology Specialists in Bronx
- Dr. Berrin Ustun, MD
- Dr. Tylis Chang, MD
- Dr. James Pullman, MD, PhD
- Dr. Luoquan Wang, MD
- Dr. Ronaldo Zamuco, MD
- Dr. Changcheng Zhu, MD
Mailing Address
21 Berkeley Ln
Scarsdale, NY 105832403