Richard J. Hallock, MD
Emergency Medicine Physician · Amherst, NY
Richard J. Hallock, MD is an emergency medicine physician with a practice address in Amherst, New York, and NPI 1043570872, issued on May 27, 2012. Check the license (New York 277135, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Richard J. Hallock
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 277135 NY
Self-reported in NPPES; status is on the state search - Practice location
- 3980 Sheridan Dr, Amherst, NY 14226
- Phone
- (716) 929-2800
- Enumerated
- May 27, 2012
- Record last updated
- Oct 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (716) 929-2819
- Medicare enrollment
- Enrolled (PECOS I20160909000506); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 3980 Sheridan Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karuna Ahuja, M.D.Internal Medicine Physician1669496105
- Traci AladeenPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1912496910
- Shannon Alessandra, FNPFamily Nurse Practitioner1528834041
- Rachel Allen, RPA-CPhysician Assistant1134668908
- Shereen Alrashdan, MDPsychiatry Physician1831506229
- William Alvarado, PA-CMedical Physician Assistant1831936582
Verify Richard J. Hallock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 277135Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average emergency medicine physician in 2024
159 Medicare Part D claims for 93 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin19 claims
- Azithromycin11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Alaska Emergency Medicine AssociatesAnchorage, AK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard J. Hallock among 5,025 emergency medicine physician records in New York
Richard J. Hallock, MD is one of 5,025 emergency medicine physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 52% of them.
- NPI issued2012 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2012 · median 2013 among the 3,232 with a school on file
- Record last updated2014 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in New York
There are 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Amherst → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- David Johnson, MDAmherst, NY 142261053370908
- Michael Martin, MDAmherst, NY 142261487688917
- Deborah Miller, MDAmherst, NY 142261679793889
- Ira Owen, MDAmherst, NY 142261104143874
- Geoffrey SchweikhardAmhurst, NY 142261285992321
- Gerard Tiballi, DOAmherst, NY 142261912953761
- Brian Walters, D.O.Amherst, NY 142261396949194
- Benjamin Watkins, D.O.Amherst, NY 142261700249232
Common questions
What is Richard J. Hallock, MD's NPI number?
Richard J. Hallock, MD's National Provider Identifier (NPI) is 1043570872, issued on May 27, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Richard J. Hallock, MD located?
The NPPES record lists a practice address at 3980 Sheridan Dr, Amherst, NY, 14226. Phone: (716) 929-2800. Providers update this record themselves, so call before visiting.
How can I verify Richard J. Hallock, MD's license?
NPPES lists New York license number 277135, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Richard J. Hallock, MD prescribe under Medicare Part D?
In 2024, Richard J. Hallock, MD had 159 Medicare Part D claims for 93 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.