John Adam Thayer

M.D. | Ophthalmologist | 36+ years Exp


Medicare Enrolled
 501 Southampton Rd, Suite D, Westfield
    Massachusetts, 01085-1592

 413-572-3000    Maps & Directions
John Adam Thayer is a Westfield, Massachusetts based Ophthalmologist with 36 years of experience in Ophthalmology. He completed his graduation from University Of Michigan Medical School in 1990. He is also affiliated with hospitals like Baystate Medical Center. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of John Adam Thayer is 155865 for Ophthalmology in Massachusetts.
John Adam Thayer has the knowledge and professional skills needed to provide comprehensive eye and vision care. He is medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
Complete Profile:
John Adam Thayer speciality, credentials, practice address, contact phone number and fax are as below. Patients can directly walk in or can call on the below given phone number for appointment.
Specialization: Ophthalmology
Credentials: M.D.
Experience: 36+ years
Medical School Attended:University Of Michigan Medical School
Graduation Year:1990
Gender:Male
Accepts Medicare Assignment:Yes
Practice Address:501 Southampton Rd, Suite D, Westfield,
Massachusetts, 01085-1592
Phone:413-572-3000
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.
PAC ID: 7719907609
Enrollment ID: I20051207000383
NPI Number: 1386628279
NPI Enumeration Date: 03 Dec, 2005
NPI Last Update On: 20 May, 2025
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for John Adam Thayer are as mentioned below.
License NumberSpecializationStateStatus
155865Ophthalmology MassachusettsPrimary
Hospital Affiliation:
Doctors can be affiliated to many hospitals whom they worked with in the past or are presently working with. One surgeon can be affiliated to four to five hospitals at a time.
Hospital Name (CCN) State Hospital Type
Baystate Medical Center (220077)Springfield, MAAcute Care Hospital
Other Medical Identifiers:
Other legacy medical identifiers associated with John Adam Thayer such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
3178307MedicaidMassachusetts
J18741OtherMassachusettsBCBS OF MA ID
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 501 Southampton Rd, Suite D
Westfield, Massachusetts
Zip: 01085-1592
Phone Number: 413-572-3000
Fax Number: 413-572-3033
Patients can reach John Adam Thayer at 501 Southampton Rd, Suite D, Westfield, Massachusetts or can call to book an appointment on 413-572-3000.
Comments/ Reviews:
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** Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 June, 2026.