DR. KATHERINE ELEANOR DERTZ M.D.
NPI 1104276021
Obstetrics & Gynecology in Washington, DC

Active since June 22, 2016PECOS Enrolled
2120 L ST NW STE 700, WASHINGTON, DC 20037(202) 331-9293 Get Directions Write a Review

NPPES record last updated: March 3, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 3, 2025, Oct 25, 2016, Jun 22, 2016 (3 updates tracked since 2016).

About Dr. Katherine Eleanor Dertz M.d. NPPES

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

DR. KATHERINE ELEANOR DERTZ M.D. (NPI 1104276021) is an individual obstetrics & gynecology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD600003438) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS and maintains a secondary practice location in Grand Rapids.

NPPES Registry Identity

NPI1104276021
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. KATHERINE ELEANOR DERTZCredential: M.D.
Location Address2120 L ST NW STE 700Washington, DC 20037-1543
Mailing Address5801 Postal Rd Unit 81310Cleveland, OH 44181-2112 · (301) 340-8339
Sole ProprietorYes
Enumeration DateJune 22, 2016
Last NPPES UpdateMarch 3, 20253 updates tracked since enumeration
NPPES CertifiedMarch 3, 2025
NPI 1104276021 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in DC · MD600003438
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 4301109765 (MI)
2120 L ST NW STE 700, Washington, DC 20037

Secondary Practice Location 1

Location 1945 Ottawa Ave NWGrand Rapids, MI 49503-1431 · Phone (616) 391-1929

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Katherine Eleanor Dertz M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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.
16 services12 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
11 services11 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 16

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

Obstetrics & Gynecology
2120 L ST NW STE 700
WASHINGTON, DC 20037
Physician Assistant (Medical)
2120 L ST NW STE 700
WASHINGTON, DC 20037
Obstetrics & Gynecology (Gynecology)
2120 L ST NW STE 700
WASHINGTON, DC 20037
Obstetrics & Gynecology
2120 L ST NW STE 700
WASHINGTON, DC 20037
Obstetrics & Gynecology (Gynecology)
2120 L ST NW STE 700
WASHINGTON, DC 20037
Obstetrics & Gynecology
2120 L ST NW STE 700
WASHINGTON, DC 20037
Obstetrics & Gynecology
2120 L ST NW STE 700
WASHINGTON, DC 20037
Obstetrics & Gynecology
2120 L ST NW STE 700
WASHINGTON, DC 20037

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 Katherine Dertz's NPI number?

The NPI number for Katherine Dertz is 1104276021. It was assigned to this individual provider in the NPPES registry on June 22, 2016.

Where is Katherine Dertz located?

Katherine Dertz practices at 2120 L St NW Ste 700, Washington, DC 20037. The listed phone number is (202) 331-9293.

What is Katherine Dertz's specialty?

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

Is Katherine Dertz enrolled in Medicare?

Yes. Katherine Dertz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Katherine Dertz was last updated on March 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.