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KATHRYN I MARKO MD
NPI 1366636375
Obstetrics & Gynecology in Washington, DC

Active since September 03, 2007PECOS EnrolledAccepts Medicare Assignment
2150 PENNSYLVANIA AVE NW, 6A-426, WASHINGTON, DC 20037(202) 741-2500(202) 741-2550 Get Directions Write a Review

NPPES record last updated: August 4, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Kathryn I Marko Md NPPES

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

KATHRYN I MARKO MD (NPI 1366636375) is an individual obstetrics & gynecology provider in Washington, District Of Columbia, licensed in Illinois (036.124489) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2001).

NPPES Registry Identity

NPI1366636375
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameKATHRYN I MARKOCredential: MD
Location Address2150 PENNSYLVANIA AVE NW, 6A-426Washington, DC 20037-3201
Mailing Address2150 Pennsylvania Ave Nw, 6a-426Washington, DC 20037-3201 · (202) 741-2500 · Fax (202) 741-2550
Phone(202) 741-2500
Fax(202) 741-2550
Sole ProprietorYes
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2001
Enumeration DateSeptember 3, 2007
Last NPPES UpdateAugust 4, 2011
✔ NPI 1366636375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in IL · 036.124489
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
2150 PENNSYLVANIA AVE NW, Washington, DC 20037
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Other Names 1

Former Name (1)Kathryn I Chell Md

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kathryn I Marko Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1658567359
PECOS Enrollment IDI20111115000189
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
37 services37 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
20 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20037 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
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.

LEI DU LYNN M.D.
Internal Medicine
2150 PENNSYLVANIA AVE NW, SUITE 5-416
WASHINGTON, DC 20037
District of Columbia (202) 741-2574
NIRAJ RAJU GOWDA MD
Student in an Organized Health Care Education/Training Program
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-3000
DR. ELLEN CURTIN MURPHY MD
Obstetrics & Gynecology (Obstetrics)
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-2500
DR. CHRISTOPHER DAVID BADGER MD
Student in an Organized Health Care Education/Training Program
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-3000
DR. MONICA MARIA MANRIQUE CASTRILLON MD
Student in an Organized Health Care Education/Training Program
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-3000
DR. STEVEN JOSEPH RALSTON MD
Obstetrics & Gynecology (Maternal & Fetal Medicine)
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-2500
ROBERT STEVEN SIEGEL M.D.
Internal Medicine (Hematology & Oncology)
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-3333
JAMES DAVID KATZ M.D.
Internal Medicine (Rheumatology)
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-2222

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 Kathryn Marko's NPI number?

The NPI number for Kathryn Marko is 1366636375. It was assigned to this individual provider in the NPPES registry on September 3, 2007. The provider is also known as Kathryn I Chell MD.

Where is Kathryn Marko located?

Kathryn Marko practices at 2150 Pennsylvania Ave NW 6a-426, Washington, DC 20037. The listed phone number is (202) 741-2500.

What is Kathryn Marko's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Kathryn Marko enrolled in Medicare?

Yes. Kathryn Marko is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Kathryn Marko was last updated on August 4, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.