ERIK GRETZMACHER CRNA
NPI 1154051373
Nurse Anesthetist, Certified Registered in Washington, DC

Active since June 11, 2022Accepts Medicare Assignment
3800 RESERVOIR RD NW, WASHINGTON, DC 20007(202) 444-1697 Get Directions Write a Review

NPPES record last updated: August 8, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 8, 2025, Jun 11, 2022 (2 updates tracked since 2022).

About Erik Gretzmacher Crna NPPES

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

ERIK GRETZMACHER CRNA (NPI 1154051373) is an individual nurse anesthetist, certified registered in Washington, District Of Columbia, licensed in Virginia (0024193851) and active in the NPI registry since June 2022. He is affiliated with Inova Fairfax Hospital and is a graduate of Other (2025).

NPPES Registry Identity

NPI1154051373
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameERIK GRETZMACHERCredential: CRNA
Location Address3800 RESERVOIR RD NWWashington, DC 20007-2113
Mailing Address2104 N Scott St Apt 37Arlington, VA 22209-1018 · (856) 889-2931
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateJune 11, 2022
Last NPPES UpdateAugust 8, 20252 updates tracked since enumeration
NPPES CertifiedAugust 8, 2025
NPI 1154051373 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License Licensed in VA · 0024193851
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
Also ListedRegistered Nurse · Critical Care MedicineTaxonomy 163WC0200X · License RN1049033 (DC)
3800 RESERVOIR RD NW, Washington, DC 20007

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

Erik Gretzmacher Crna 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 ID143720110
PECOS Enrollment IDI20250825000343

Hospital Affiliations CMS Care Compare

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

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490063
Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20007 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.

Radiology (Diagnostic Radiology)
3800 RESERVOIR RD NW, CG201
WASHINGTON, DC 20007
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Nurse Practitioner (Family)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Physical Therapy Assistant
3800 RESERVOIR RD NW, PHYSICAL MEDICINE AND REHBAILITATION DEPARTMENT
WASHINGTON, DC 20007
Physician Assistant (Surgical)
3800 RESERVOIR RD NW, NEUROSURGERY DEPARTMENT
WASHINGTON, DC 20007
Radiology (Vascular & Interventional Radiology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Radiology (Radiation Oncology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Student in an Organized Health Care Education/Training Program
3800 RESERVOIR RD NW
WASHINGTON, DC 20007

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 Erik Gretzmacher's NPI number?

The NPI number for Erik Gretzmacher is 1154051373. It was assigned to this individual provider in the NPPES registry on June 11, 2022.

Where is Erik Gretzmacher located?

Erik Gretzmacher practices at 3800 Reservoir Rd NW, Washington, DC 20007. The listed phone number is (202) 444-1697.

What is Erik Gretzmacher's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Erik Gretzmacher enrolled in Medicare?

Yes. Erik Gretzmacher 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.

Is Erik Gretzmacher affiliated with any hospitals?

According to CMS data, Erik Gretzmacher is affiliated with Inova Fairfax Hospital.

When was this NPI record last updated?

The NPPES record for Erik Gretzmacher was last updated on August 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.