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JAMES & DYER, M.D.,P.A.
NPI 1649478066
Ophthalmology in Easton, MD

Active since July 06, 2007
4 CAULK LN, SUITE A, EASTON, MD 21601(410) 822-7931(410) 822-3523 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About James & Dyer, M.d.,p.a. NPPES

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

JAMES & DYER, M.D.,P.A. (NPI 1649478066), doing business as Alden James, M.d.,p.a., is a healthcare organization registered as an ophthalmology in Easton, Maryland and active in the NPI registry since July 2007. The organization lists Paul K. Dyer, Md/owner, as its authorized official.

NPPES Registry Identity

NPI1649478066
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameJAMES & DYER, M.D.,P.A.
Location Address4 CAULK LN, SUITE AEaston, MD 21601-3808
Mailing Address4 Caulk Ln Ste AEaston, MD 21601-3808 · (410) 822-7931 · Fax (410) 822-3523
Phone(410) 822-7931
Fax(410) 822-3523
Organization SubpartNo
Authorized OfficialPaul K. DyerMd/owner · (410) 822-7931
Enumeration DateJuly 6, 2007
Last NPPES UpdateJuly 2, 2026
NPPES CertifiedJuly 2, 2026
✔ NPI 1649478066 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are 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.
4 CAULK LN, Easton, MD 21601
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Other Names 1

Former Legal Business NameAlden James, M.d.,p.a.

Other Identifiers 1

Medicaid253701000MD

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, BlueCross BlueShield of Tennessee.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James & Dyer, M.d.,p.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to James & Dyer, M.D.,p.A., which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Paul Dyer, M.D.
Ophthalmology
NPI 1255394664
4 CAULK LN SUITE A
Easton, MD 21601
(410) 822-7931
✔ PECOS✔ Accepts MedicareSame address
Theresa Kramer, MD, MBA
Ophthalmology
NPI 1356402523
3601 S 6TH AVE
Tucson, AZ 85723
(520) 792-1450
✔ PECOS2,007 mi

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

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 James & Dyer, M.D.,p.A.'s NPI number?

The NPI number for James & Dyer, M.D.,p.A. is 1649478066. It was assigned to this organization in the NPPES registry on July 6, 2007. The provider was formerly known as Alden James, M.D.,P.A..

Where is James & Dyer, M.D.,p.A. located?

James & Dyer, M.D.,p.A. is located at 4 Caulk Ln Suite A, Easton, MD 21601. The listed phone number is (410) 822-7931.

What is James & Dyer, M.D.,p.A.'s specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is James & Dyer, M.D.,p.A. enrolled in Medicare?

Yes. James & Dyer, M.D.,p.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through James & Dyer, M.D.,p.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Ophthalmology, reassign their Medicare billing to James & Dyer, M.D.,p.A.. A 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 the clinician's services. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does James & Dyer, M.D.,p.A. accept?

Health plans from Anthem Blue Cross and Blue Shield and BlueCross BlueShield of Tennessee list James & Dyer, M.D.,p.A. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for James & Dyer, M.D.,p.A. was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.