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DR. DIANA CATHERINE ZENTKO M.D.
NPI 1174757215
Anesthesiology in Washington, DC

Active since May 04, 2009PECOS EnrolledAccepts Medicare Assignment
900 23RD ST NW, WASHINGTON, DC 20037(516) 652-5172 Get Directions Write a Review

NPPES record last updated: November 25, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Diana Catherine Zentko M.d. NPPES

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

DR. DIANA CATHERINE ZENTKO M.D. (NPI 1174757215) is an individual anesthesiology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD042104) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS and is a graduate of Albany Medical College Of Union University (2009).

NPPES Registry Identity

NPI1174757215
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. DIANA CATHERINE ZENTKOCredential: M.D.
Location Address900 23RD ST NWWashington, DC 20037-2342
Mailing Address1909 Key Blvd Apt 555Arlington, VA 22201-3228 · (516) 652-5172
Phone(516) 652-5172
Sole ProprietorYes
Medical School CMSAlbany Medical College Of Union UniversityGraduated 2009
Enumeration DateMay 4, 2009
Last NPPES UpdateNovember 25, 2014
✔ NPI 1174757215 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in DC · MD042104
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
900 23RD ST NW, Washington, DC 20037
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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 and accepts Medicare assignment

Dr. Diana Catherine Zentko M.d. 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 ID8022248681
PECOS Enrollment IDI20150219002006
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

2

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

Greater Washington Anesthesia Network PLLC
Same address
Anesthesiology
900 23RD ST NW
Washington, DC 20037
  • Reassigned Medicare billing, District of Columbia enrollment
  • 39 clinicians in this Medicare group
NPI 1376478099 (469) 420-5527
Medical Faculty Associates, Inc
0.1 mi
Anesthesiology
2150 PENNSYLVANIA AVE NW, SUITE 10-409A
Washington, DC 20037
  • Reassigned Medicare billing, District of Columbia enrollment
  • 1,275 clinicians in this Medicare group
NPI 1417990581 (202) 741-3350

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

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.

DR. MUSTAFA BASSAM HAMMUDI MD
Internal Medicine
900 23RD ST NW
WASHINGTON, DC 20037
District of Columbia (202) 715-5109
DR. WILLIAM ANDREW HIATT MD
Student in an Organized Health Care Education/Training Program
900 23RD ST NW
WASHINGTON, DC 20037
District of Columbia (202) 741-3000
DR. SHANE ZAMANI MD
Anesthesiology
900 23RD ST NW
WASHINGTON, DC 20037
District of Columbia (202) 715-4750
MRS. KATHERINE CAROLINE FOX PA-C, MPH
Physician Assistant (Surgical)
900 23RD ST NW
WASHINGTON, DC 20037
District of Columbia (202) 715-5000
MICHAEL WILLIAM HELBIG MD
Student in an Organized Health Care Education/Training Program
900 23RD ST NW
WASHINGTON, DC 20037
District of Columbia (202) 741-3100
DR. AYAL ZEV PIERCE MD
Emergency Medicine
900 23RD ST NW
WASHINGTON, DC 20037
District of Columbia (202) 715-4000
CALLIE BEEGLE PA-C
Physician Assistant
900 23RD ST NW
WASHINGTON, DC 20037
District of Columbia (202) 715-4000
MEGAN KATHLEEN DAILEY PA-C
Physician Assistant
900 23RD ST NW
WASHINGTON, DC 20037
District of Columbia (202) 741-2210

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 Diana Zentko's NPI number?

The NPI number for Diana Zentko is 1174757215. It was assigned to this individual provider in the NPPES registry on May 4, 2009.

Where is Diana Zentko located?

Diana Zentko practices at 900 23rd St NW, Washington, DC 20037. The listed phone number is (516) 652-5172.

What is Diana Zentko's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Diana Zentko enrolled in Medicare?

Yes. Diana Zentko 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.

Which organizations bill Medicare for Diana Zentko's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Zentko reassigns Medicare benefits to 2 organizations: Greater Washington Anesthesia Network PLLC (Washington, DC) and Medical Faculty Associates, Inc (Washington, DC). 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 Diana Zentko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Diana Zentko was last updated on November 25, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.