Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Dr. Jeffrey John Lach, DO

Individual provider Internal Medicine Physician · NPI 1073670915

Dr. Jeffrey John Lach, DO practises Internal Medicine in Buffalo, New York. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 2012, 14 years ago. Practices with Sisters of Charity Hospital of Buffalo New York, a 161-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
14
Trained at
Lake Erie College of Osteopathic Medicine, Erie
Licensed in
NY
In the registry since
2007
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

85 High St
Buffalo, NY 14203-1149
Phone: (716) 630-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 1073670915 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 1073670915 (NY)

Record details

NPI number1073670915
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 2, 2007
Last updated in NPPESMay 7, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated 2012 (14 years in practice)
Group practice Sisters Of Charity Hospital Of Buffalo New York — 161 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients108
Services billed 269 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Sisters of Charity Hospital of Buffalo New York

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 161 clinicians in the practice; 12 are shown here.

Other providers in Buffalo