MD ANESTHESIA SERVICES LLC
NPI 1639786676
Anesthesiology in Bethesda, MD

Active since September 24, 2020
4701 SANGAMORE RD STE N100, BETHESDA, MD 20816(888) 589-8550(201) 604-6571 Get Directions Write a Review

NPPES record last updated: May 7, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 7, 2025, Feb 23, 2021, Sep 24, 2020 (3 updates tracked since 2020).

About Md Anesthesia Services Llc NPPES

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

MD ANESTHESIA SERVICES LLC (NPI 1639786676) is a healthcare organization registered as an anesthesiology in Bethesda, Maryland and active in the NPI registry since September 2020. The organization lists Haroon Chaudhry, Managing Member, as its authorized official.

NPPES Registry Identity

NPI1639786676
Entity TypeOrganization
Primary Taxonomy207L00000X
Legal Business NameMD ANESTHESIA SERVICES LLC
Location Address4701 SANGAMORE RD STE N100Bethesda, MD 20816-2558
Mailing AddressPo Box 22774New York, NY 10087-2774 · (888) 589-8550 · Fax (201) 604-6571
Fax(201) 604-6571
Organization SubpartNo
Authorized OfficialHaroon ChaudhryManaging Member · (917) 621-6854
Enumeration DateSeptember 24, 2020
Last NPPES UpdateMay 7, 20253 updates tracked since enumeration
NPPES CertifiedMay 7, 2025
✔ NPI 1639786676 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
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.
4701 SANGAMORE RD STE N100, Bethesda, MD 20816

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Md Anesthesia Services Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to MD Anesthesia Services LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Anesthesiology
NPI 1619919560
110 S PACA ST SUITE 300 6TH FL
Baltimore, MD 21201
(410) 328-6720
✔ PECOS✔ Accepts Medicare35 mi

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

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 MD Anesthesia Services LLC's NPI number?

The NPI number for MD Anesthesia Services LLC is 1639786676. It was assigned to this organization in the NPPES registry on September 24, 2020.

Where is MD Anesthesia Services LLC located?

MD Anesthesia Services LLC is located at 4701 Sangamore Rd Ste N100, Bethesda, MD 20816. The listed phone number is (888) 589-8550.

What is MD Anesthesia Services LLC's specialty?

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

Is MD Anesthesia Services LLC enrolled in Medicare?

Yes. MD Anesthesia Services LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through MD Anesthesia Services LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Anesthesiology) reassigns their Medicare billing to MD Anesthesia Services LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for MD Anesthesia Services LLC was last updated on May 7, 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.