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DR. THEHUNG E NGUYEN MD
NPI 1285660894
Anesthesiology in Baltimore, MD

Active since June 24, 2006PECOS Enrolled
74.39/100
CMS Quality Rating
600 N CAROLINE ST # B150, BALTIMORE, MD 21205(410) 955-1677(410) 614-3198 Get Directions Write a Review

NPPES record last updated: April 19, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Thehung E Nguyen Md NPPES

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

DR. THEHUNG E NGUYEN MD (NPI 1285660894) is an individual anesthesiology provider in Baltimore, Maryland, licensed in Maryland (D0056893) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of University Of California, San Francisco School Of Medicine (1997).

NPPES Registry Identity

NPI1285660894
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. THEHUNG E NGUYENCredential: MD
Location Address600 N CAROLINE ST # B150Baltimore, MD 21205-1839
Mailing Address6828 Creekwood CtClarksville, MD 21029-1746 · (443) 812-2662
Phone(410) 955-1677
Fax(410) 614-3198
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1997
Enumeration DateJune 24, 2006
Last NPPES UpdateApril 19, 2020
NPPES CertifiedApril 19, 2020
✔ NPI 1285660894 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MD · D0056893
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.
600 N CAROLINE ST # B150, Baltimore, MD 21205
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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 (PECOS)

Dr. Thehung E Nguyen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1850576869
PECOS Enrollment IDI20110505000769
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 Reassignment

Medicare enrollment records show Thehung Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Johns Hopkins University
0.1 mi
Urology
601 N CAROLINE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
NPI 1295731966 (410) 955-5000

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

Areas of Expertise CMS Part B claims 8

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.

Anesthesia for removal of urinary bladder tumors including use of an endoscope 00912
This procedure involves the use of anesthesia to ensure comfort while an endoscope, a thin tube with a light and camera, is used to identify and remove abnormal growths in the bladder. It's a minimally invasive approach to maintain bladder health.
42 services41 patients
Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
36 services36 patients
Anesthesia for other procedure on neck area (1 year or older) 00320
Anesthesia for a procedure on the neck area is a medical service provided to ensure you remain comfortable and pain-free during the operation. It involves administering medication to numb the neck region or to induce sleep. The method chosen depends on the specific procedure and your overall health.
18 services18 patients
Anesthesia for other procedure on skin of arms, legs, and front body 00400
Anesthesia for procedures on the skin of your arms, legs, and front body is a service that numbs the area being treated. This ensures you don't feel pain during procedures like biopsies, stitches, or minor surgeries. It's administered through a small injection or a topical cream.
15 services15 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
14 services14 patients
Anesthesia for other procedure on external middle and inner ear 00120
Anesthesia for procedures on the external, middle, and inner ear is a medical service that numbs your ear area before a procedure. This prevents discomfort or pain during the operation. It's administered by a healthcare professional trained in anesthesia.
13 services13 patients

Hospital Affiliations CMS Care Compare

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

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210009
Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

74.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.71
Promoting Interoperability97
Improvement Activities40
Cost52.43

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 Thehung Nguyen's NPI number?

The NPI number for Thehung Nguyen is 1285660894. It was assigned to this individual provider in the NPPES registry on June 24, 2006.

Where is Thehung Nguyen located?

Thehung Nguyen practices at 600 N Caroline St # B150, Baltimore, MD 21205. The listed phone number is (410) 955-1677.

What is Thehung Nguyen's specialty?

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

Is Thehung Nguyen enrolled in Medicare?

Yes. Thehung Nguyen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Thehung Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thehung Nguyen reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). The 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 Thehung Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Thehung Nguyen affiliated with any hospitals?

According to CMS data, Thehung Nguyen is affiliated with Johns Hopkins Hospital, The.

When was this NPI record last updated?

The NPPES record for Thehung Nguyen was last updated on April 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.