DR. JEFFREY JOHN LACH DO
NPI 1073670915
Hospitalist in Buffalo, NY
About Dr. Jeffrey John Lach Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JEFFREY JOHN LACH DO (NPI 1073670915) is an individual hospitalist provider in Buffalo, New York, licensed in New York (1073670915) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Sisters Of Charity Hospital, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2012).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Jeffrey John Lach Do 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
5Medicare enrollment records show Jeffrey Lach reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Buffalo, NY 14214
- Reassigned Medicare billing, New York enrollment
- 515 clinicians in this Medicare group
Buffalo, NY 14220
- Reassigned Medicare billing, New York enrollment
- 499 clinicians in this Medicare group
Kenmore, NY 14217
- Reassigned Medicare billing, New York enrollment
- 271 clinicians in this Medicare group
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 344 clinicians in this Medicare group
Lewiston, NY 14092
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Mount St. Marys Hospital Of Niagara Falls
- 289 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 4
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.
Sisters Of Charity Hospital
Acute Care Hospitals · Buffalo, NYMercy Hospital Of Buffalo
Acute Care Hospitals · Buffalo, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14203 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
BUFFALO, NY 14203
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 Jeffrey Lach's NPI number?
The NPI number for Jeffrey Lach is 1073670915. It was assigned to this individual provider in the NPPES registry on January 2, 2007.
Where is Jeffrey Lach located?
Jeffrey Lach practices at 85 High St, Buffalo, NY 14203. The listed phone number is (716) 630-1000.
What is Jeffrey Lach's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Jeffrey Lach enrolled in Medicare?
Yes. Jeffrey Lach 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 Jeffrey Lach's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Lach reassigns Medicare benefits to 5 organizations: Sisters Of Charity Hospital Of Buffalo, New York (Buffalo, NY), Mercy Hospital Of Buffalo (Buffalo, NY), Kenmore Mercy Hospital (Kenmore, NY), Buffalo Medical Group, P.C. (Williamsville, NY) and Mount St. Mary's Hospital Of Niagara Falls (Lewiston, NY). 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 Jeffrey Lach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jeffrey Lach affiliated with any hospitals?
According to CMS data, Jeffrey Lach is affiliated with Sisters Of Charity Hospital and Mercy Hospital Of Buffalo.
When was this NPI record last updated?
The NPPES record for Jeffrey Lach was last updated on May 7, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.
# Dr. Jeffrey John Lach, DO · NPI 1073670915
Hospitalist physician in Buffalo, New York. Individual provider, active in the CMS NPPES registry since January 2, 2007.
## Identity
- **NPI:** 1073670915 (Entity type: Individual)
- **Enumerated:** January 2, 2007
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 1073670915 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 85 HIGH ST, Buffalo, NY 14203-1149
- **Phone:** (716) 630-1000
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Sisters Of Charity Hospital Of Buffalo, New York (NPI 1659396380, Buffalo, NY); Mercy Hospital Of Buffalo (NPI 1659310605, Buffalo, NY); Kenmore Mercy Hospital (NPI 1770598104, Kenmore, NY); Buffalo Medical Group, P.C. (NPI 1881659506, Williamsville, NY); Mount St. Mary's Hospital Of Niagara Falls (NPI 1043394745, Lewiston, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lake Erie College Of Osteopathic Medicine, Erie, class of 2012
## Record status
- **NPPES last updated:** May 7, 2019
---
Source: [NPI Profile](https://npiprofile.com/npi/1073670915) · Data from the CMS NPPES public registry.