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DR. BESS YEH M.D.
NPI 1255772927
Anesthesiology in Gaithersburg, MD

Active since July 10, 2013PECOS EnrolledAccepts Medicare Assignment
655 WATKINS MILL RD, GAITHERSBURG, MD 20879(202) 465-5391 Get Directions Write a Review

NPPES record last updated: June 30, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 30, 2021, Jul 17, 2019, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About Dr. Bess Yeh M.d. NPPES

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

DR. BESS YEH M.D. (NPI 1255772927) is an individual anesthesiology provider in Gaithersburg, Maryland, licensed in Maryland (D0087566) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1255772927
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. BESS YEHCredential: M.D.
Location Address655 WATKINS MILL RDGaithersburg, MD 20879-3301
Mailing Address655 Watkins Mill RdGaithersburg, MD 20879-3301
Phone(202) 465-5391
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateJuly 10, 2013
Last NPPES UpdateJune 30, 20214 updates tracked since enumeration
NPPES CertifiedJune 30, 2021
✔ NPI 1255772927 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in MD · D0087566✔ Licensed in VA · 0101258117
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.
Also ListedMilitary Health Care ProviderTaxonomy 171000000X
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
655 WATKINS MILL RD, Gaithersburg, MD 20879
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Secondary Practice Locations 2

Location 19300 DeWitt LoopFort Belvoir, VA 22060-5285 · Phone (703) 597-8792
Location 28901 Rockville PikeBethesda, MD 20889-0001 · Phone (703) 597-8792

Other Identifiers 1

Other1Military

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. Bess Yeh 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 ID4981931144
PECOS Enrollment IDI20190809002092
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 Bess Yeh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
Same address
Health Maintenance Organization
655 WATKINS MILL RD
Gaithersburg, MD 20879
NPI 1831471713 (301) 258-7700
First Colonies Anesthesia Associates, LLC
20 mi
Anesthesiology
9841 BROKEN LAND PKWY STE 310
Columbia, MD 21046
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • 717 clinicians in this Medicare group
NPI 1740218767 (443) 276-7624

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. ESTHER SHINYOUNG SONG M.D.
Pediatrics
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Montgomery County (240) 632-4000
DR. VICTOR DAVID ELLIS III MD
Student in an Organized Health Care Education/Training Program
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Montgomery County (240) 632-4000
DR. PETER JAN BLUVAS JR. M.D.
Emergency Medicine
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Montgomery County (406) 324-2242
YOGESH PARUTHI
Pharmacist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Montgomery County (240) 632-4155
ILYSSA KAREN HAAR RN, IBCLC, BSN
Registered Nurse (Lactation Consultant)
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Montgomery County (240) 632-4333
HAOBO ZHOU MD
General Acute Care Hospital
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Montgomery County (240) 632-4075
MR. SCOTT ERIC JACKSON RT(R)(CT)
Radiologic Technologist (Computed Tomography)
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Montgomery County (240) 632-4418
KATIE MARIE ESSER
Audiologist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Montgomery County (240) 632-4000

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 Bess Yeh's NPI number?

The NPI number for Bess Yeh is 1255772927. It was assigned to this individual provider in the NPPES registry on July 10, 2013.

Where is Bess Yeh located?

Bess Yeh practices at 655 Watkins Mill Rd, Gaithersburg, MD 20879. The listed phone number is (202) 465-5391.

What is Bess Yeh's specialty?

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

Is Bess Yeh enrolled in Medicare?

Yes. Bess Yeh 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 Bess Yeh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Bess Yeh reassigns Medicare benefits to 2 organizations: Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Gaithersburg, MD) and First Colonies Anesthesia Associates, LLC (Columbia, MD). 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 Bess Yeh'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 Bess Yeh was last updated on June 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.