ANNA KONSTANTINIDIS
NPI 1275335903
Ophthalmology in Baltimore, MD

Q: What is Anna Konstantinidis's NPI number?

The NPI number for Anna Konstantinidis is 1275335903. It was assigned to this individual provider in the NPPES registry on March 25, 2025.

Q: What is Anna Konstantinidis's specialty?

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

Active since March 25, 2025PECOS Enrolled

1800 ORLEANS ST, BALTIMORE, MD 21287(410) 955-5080 Get Directions Write a Review

NPPES record last updated: July 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 3, 2025, Jun 23, 2025, Mar 25, 2025 (3 updates tracked since 2025).

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About Anna Konstantinidis NPPES

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

ANNA KONSTANTINIDIS (NPI 1275335903) is an individual ophthalmology provider in Baltimore, Maryland, licensed in Maryland (3079) and active in the NPI registry since March 2025. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Bayview Medical Center, and is a graduate of New England College Of Optometry (2025).

NPPES Registry Identity

NPI1275335903

Entity TypeIndividualFemale

Primary Taxonomy207W00000X

Provider Legal NameANNA KONSTANTINIDIS

Location Address1800 ORLEANS STBaltimore, MD 21287-0010

Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 933-1340

Phone(410) 955-5080

Sole ProprietorNo

Medical School CMSNew England College Of OptometryGraduated 2025

Enumeration DateMarch 25, 2025

Last NPPES UpdateJuly 3, 20253 updates tracked since enumeration

NPPES CertifiedJuly 3, 2025

✔ NPI 1275335903 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in MD · 3079

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.

1800 ORLEANS ST, Baltimore, MD 21287

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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)

Anna Konstantinidis is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2860907037

PECOS Enrollment IDI20250716001196

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 Reassignments

Medicare enrollment records show Anna Konstantinidis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Johns Hopkins University

0.1 mi

General Practice

600 N WOLFE ST
Baltimore, MD 21205

Reassigned Medicare billing, Maryland enrollment
4,483 clinicians in this Medicare group

NPI 1033190442 (410) 614-1732

Massachusetts Eye And Ear Associates, Inc.

358 mi

Ophthalmology

243 CHARLES ST
Boston, MA 02114

Reassigned Medicare billing, Massachusetts enrollment
478 clinicians in this Medicare group

NPI 1932574332 (617) 523-7900

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Johns Hopkins Bayview Medical Center

Acute Care Hospitals · Baltimore, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210029

Location4940 Eastern AvenueBaltimore, MD 21224 · Baltimore City County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21287 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

$139.05 typical visit price

range $60.73 – $183.44

Typical copayment $34.76 (range $15.18 – $45.86)

Most-billed visit code 99204

Established Patient

$75.47 typical visit price

range $19.60 – $149.17

Typical copayment $18.86 (range $4.90 – $37.29)

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 20

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

KATHRYN ROSENBLATT M.D.

Anesthesiology

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (410) 955-7461

DR. CARMEL BOGLE M.D.

Pediatrics

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (443) 287-0526

MIAN MOHAMMAD BILAL KHALID MD

Internal Medicine (Gastroenterology)

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

SPENCER WILSON

Surgery (Trauma Surgery)

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (410) 933-6423

EVAN FOX

Radiology (Neuroradiology)

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

ADAM ROBERT BUSSELLS

Physician Assistant

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

DR. SARAH WALSER MD

Student in an Organized Health Care Education/Training Program

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (484) 883-6433

LYNN DESROSIERS FNP-C

Nurse Practitioner (Family)

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (410) 955-2800

ANNA WANG MD

Student in an Organized Health Care Education/Training Program

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

MEGEN GALLAGHER

Student in an Organized Health Care Education/Training Program

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

AZARIA ATKINSON MD

Student in an Organized Health Care Education/Training Program

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

NAZM RAHAT MD

Student in an Organized Health Care Education/Training Program

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

ABIGAIL RACE PA-C

Physician Assistant (Surgical)

1800 ORLEANS ST, SHEIKH ZAYED TOWER / SUITE 7107
BALTIMORE, MD 21287

Baltimore City (443) 287-6940

KRISTIN RIDENOUR MPH, PA-C

Physician Assistant (Medical)

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (410) 955-8708

DR. XUAN DING MD, PHD

Internal Medicine (Cardiovascular Disease)

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (443) 997-0270

ERIN GAGER RD, LDN

Dietitian, Registered

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (410) 955-1637

DR. YUKIKO KUNITOMO MD

Internal Medicine (Pulmonary Disease)

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

MR. EUGENE RICHARD ARNOLD III RD

Dietitian, Registered

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (410) 955-1637

KIMBERLY SUMMERS

Registered Nurse

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5850

NICOLE D'AGOSTINO

Nurse Practitioner (Acute Care)

1800 ORLEANS ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

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 Anna Konstantinidis's NPI number?

The NPI number for Anna Konstantinidis is 1275335903. It was assigned to this individual provider in the NPPES registry on March 25, 2025.

Where is Anna Konstantinidis located?

Anna Konstantinidis practices at 1800 Orleans St, Baltimore, MD 21287. The listed phone number is (410) 955-5080.

What is Anna Konstantinidis's specialty?

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

Is Anna Konstantinidis enrolled in Medicare?

Yes. Anna Konstantinidis is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Anna Konstantinidis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Konstantinidis reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Baltimore, MD) and Massachusetts Eye And Ear Associates, Inc. (Boston, MA). 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 Anna Konstantinidis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Anna Konstantinidis affiliated with any hospitals?

According to CMS data, Anna Konstantinidis is affiliated with Johns Hopkins Bayview Medical Center.

When was this NPI record last updated?

The NPPES record for Anna Konstantinidis was last updated on July 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.