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DR. JEFFREY MICHAEL HAYER M.D.
NPI 1811035975
Orthopaedic Surgery in Greenfield, MA

Active since February 02, 2007PECOS Enrolled
48 SANDERSON STREET, 2ND FLOOR, GREENFIELD, MA 01301(413) 773-2220 Get Directions Write a Review

NPPES record last updated: March 12, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Jeffrey Michael Hayer M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JEFFREY MICHAEL HAYER M.D. (NPI 1811035975) is an individual orthopaedic surgery provider in Greenfield, Massachusetts, licensed in Massachusetts (50730) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811035975
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. JEFFREY MICHAEL HAYERCredential: M.D.
Location Address48 SANDERSON STREET, 2ND FLOORGreenfield, MA 01301-2778
Mailing Address280 Chestnut Street, 2nd FlSpringfield, MA 01199-1001 · (413) 794-5700
Phone(413) 773-2220
Sole ProprietorNo
Enumeration DateFebruary 2, 2007
Last NPPES UpdateMarch 12, 2020
NPPES CertifiedMarch 12, 2020
✔ NPI 1811035975 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in MA · 50730
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
48 SANDERSON STREET, Greenfield, MA 01301
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jeffrey Michael Hayer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Jeffrey Hayer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Baystate Medical Practices, Inc
33 mi
Emergency Medical Services
759 CHESTNUT ST
Springfield, MA 01199
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,537 clinicians in this Medicare group
NPI 1548205909 (413) 794-5700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01301 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SATISH B MUTHAVARAPU MD
Surgery
48 SANDERSON STREET, SUITE 2
GREENFIELD, MA 01301
Franklin County (413) 773-2626
DR. BRIAN D HOFFMAN MD
Orthopaedic Surgery
48 SANDERSON STREET, 2ND FL
GREENFIELD, MA 01301
Franklin County (413) 773-2220
DR. CHANDRA C HARTMAN MD
Family Medicine
48 SANDERSON STREET
GREENFIELD, MA 01301
Franklin County (413) 773-2022
RAJIV PADMANABHAN MD
Psychiatry & Neurology (Neurology)
48 SANDERSON STREET
GREENFIELD, MA 01301
Franklin County (413) 794-5600
DR. STEPHANIE STEPHANIE M.D.
Internal Medicine (Gastroenterology)
48 SANDERSON STREET
GREENFIELD, MA 01301
Franklin County (413) 773-2655
KAITLIN P DEBBINK MD
Surgery
48 SANDERSON STREET
GREENFIELD, MA 01301
Franklin County (413) 773-2626
YVONNE M V LOOMAN NP
Nurse Practitioner (Family)
48 SANDERSON STREET
GREENFIELD, MA 01301
Franklin County (413) 794-5600
MARY C CASARTELLO CNM
Advanced Practice Midwife
48 SANDERSON STREET
GREENFIELD, MA 01301
Franklin County (413) 773-2200

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 Hayer's NPI number?

The NPI number for Jeffrey Hayer is 1811035975. It was assigned to this individual provider in the NPPES registry on February 2, 2007.

Where is Jeffrey Hayer located?

Jeffrey Hayer practices at 48 Sanderson Street 2nd Floor, Greenfield, MA 01301. The listed phone number is (413) 773-2220.

What is Jeffrey Hayer's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Jeffrey Hayer enrolled in Medicare?

Yes. Jeffrey Hayer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jeffrey Hayer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Hayer reassigns Medicare benefits to Baystate Medical Practices, Inc (Springfield, MA). The 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 Hayer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jeffrey Hayer was last updated on March 12, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.