MARIANNE H COWLEY MD
NPI 1811964448
Ophthalmology in Baltimore, MD

Active since March 02, 2006PECOS Enrolled
74.39/100
CMS Quality Rating
600 N WOLFE ST, BALTIMORE, MD 21287(410) 955-5000 Get Directions Write a Review

NPPES record last updated: February 28, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Marianne H Cowley Md NPPES

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

MARIANNE H COWLEY MD (NPI 1811964448) is an individual ophthalmology provider in Baltimore, Maryland, licensed in Maryland (D55897) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Louisville, and is a graduate of Other (1982).

NPPES Registry Identity

NPI1811964448
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameMARIANNE H COWLEYCredential: MD
Location Address600 N WOLFE STBaltimore, MD 21287-0005
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 933-6423 · Fax (410) 500-4266
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateMarch 2, 2006
Last NPPES UpdateFebruary 28, 2023
NPPES CertifiedFebruary 28, 2023
NPI 1811964448 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Licenses Licensed in MD · D55897 Licensed in KY · 24468
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.

600 N WOLFE ST, Baltimore, MD 21287

Secondary Practice Location 1

Location 13103 Breckenridge Ln, Ste 2Louisville, KY 40220 · Phone (502) 499-8980 · Fax (502) 499-8294

Other Identifiers 2

Medicaid100394270AIN
Medicaid64244684KY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Marianne H Cowley Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3173590551
PECOS Enrollment IDI20230313001643
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.

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

74.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.71
Promoting Interoperability97
Improvement Activities40
Cost52.43

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.

Nurse Practitioner
600 N WOLFE ST, WEINBERG BUILDING ROOM 1123
BALTIMORE, MD 21287
Nurse Anesthetist, Certified Registered
600 N WOLFE ST, BLALOCK 1415
BALTIMORE, MD 21287
Radiology (Diagnostic Radiology)
600 N WOLFE ST
BALTIMORE, MD 21287
Nurse Practitioner (Acute Care)
600 N WOLFE ST
BALTIMORE, MD 21287
Obstetrics & Gynecology
600 N WOLFE ST
BALTIMORE, MD 21287
Pharmacist (Pharmacotherapy)
600 N WOLFE ST
BALTIMORE, MD 21287
Psychiatry & Neurology (Neurology)
600 N WOLFE ST
BALTIMORE, MD 21287
Emergency Medicine
600 N WOLFE ST
BALTIMORE, MD 21287

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 Marianne Cowley's NPI number?

The NPI number for Marianne Cowley is 1811964448. It was assigned to this individual provider in the NPPES registry on March 2, 2006.

Where is Marianne Cowley located?

Marianne Cowley practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-5000.

What is Marianne Cowley's specialty?

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

Is Marianne Cowley enrolled in Medicare?

Yes. Marianne Cowley is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marianne Cowley was last updated on February 28, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.