WILLIE M YU M.D.
NPI 1881634491
Physical Medicine & Rehabilitation - Pain Medicine in Frederick, MD

Q: What is Willie Yu's NPI number?

The NPI number for Willie Yu is 1881634491. It was assigned to this individual provider in the NPPES registry on June 8, 2006.

Q: What is Willie Yu's specialty?

The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Pain Medicine, with taxonomy code 2081P2900X.

Q: When was this NPI record last updated?

The NPPES record for Willie Yu was last updated on October 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since June 08, 2006PECOS EnrolledAccepts Medicare Assignment

85.03/100

CMS Quality Rating

6550 MERCANTILE DR E, SUITE 104, FREDERICK, MD 21703(301) 668-0888(301) 668-0999 Get Directions Write a Review

NPPES record last updated: October 24, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Willie M Yu M.d. NPPES

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

WILLIE M YU M.D. (NPI 1881634491) is an individual pain medicine provider in Frederick, Maryland, licensed in Maryland (D0053489) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Frederick Health Hospital, and is a graduate of Other (1982).

NPPES Registry Identity

NPI1881634491

Entity TypeIndividualMale

Primary Taxonomy2081P2900X

Provider Legal NameWILLIE M YUCredential: M.D.

Location Address6550 MERCANTILE DR E, SUITE 104Frederick, MD 21703-7655

Mailing Address6550 Mercantile Dr E Ste 104Frederick, MD 21703-7656 · (301) 668-0888 · Fax (301) 668-0999

Phone(301) 668-0888

Fax(301) 668-0999

Sole ProprietorYes

Medical School CMSOtherGraduated 1982

Enumeration DateJune 8, 2006

Last NPPES UpdateOctober 24, 2025

NPPES CertifiedOctober 24, 2025

✔ NPI 1881634491 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysical Medicine & Rehabilitation · Pain MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2081P2900X

License✔ Licensed in MD · D0053489

Definition

A physician who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic or cancer pain in both hospital and ambulatory settings. Patient care needs may also be coordinated with other specialists.

6550 MERCANTILE DR E, Frederick, MD 21703

Open in Google Maps ↗

Other Identifiers 1

Medicaid158300000MD

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

Willie M Yu 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 ID6305945007

PECOS Enrollment IDI20070621000054

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.

Areas of Expertise CMS Part B claims 20

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

435 services147 patients

Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 27096

This procedure involves injecting medicine into the joint where your lower spine meets your hip bone. Using special imaging technology, the doctor ensures the medicine is delivered accurately. This can help reduce pain and inflammation in that area.

329 services160 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

324 services205 patients

Destruction of peripheral nerve or branch 64640

Destruction of a peripheral nerve or branch is a procedure to treat nerve-related pain. It involves using heat, cold, or chemicals to damage or destroy the nerve, thereby blocking pain signals to the brain. This can provide long-term pain relief.

247 services108 patients

Needle measurement of electrical activity in arm or leg muscles, complete study 95886

This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.

176 services82 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

173 services105 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level 64484

This procedure involves injecting an anesthetic or steroid drug into the sacral spine nerve root. It's done under imaging guidance to ensure accuracy. The process can be repeated for each additional level of the spine to help manage pain or inflammation.

169 services113 patients

Nerve conduction, 7-8 studies 95910

Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps doctors identify nerve damage. In a 7-8 study procedure, 7-8 specific nerves are tested. You may feel a mild, brief tingling or shock during the test.

91 services84 patients

Injection of anesthetic and/or steroid drug into upper or middle spine nerve root using imaging guidance, single level 64479

This procedure involves injecting anesthetic or steroid medication into a specific nerve root in the upper or middle spine. It's performed using imaging technology for precise placement. The aim is to reduce inflammation and alleviate pain.

77 services53 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

75 services75 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level 64493

This procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.

69 services66 patients

Injection of lower or sacral spine facet joint using imaging guidance, second level 64494

This procedure involves injecting medication into the facet joints of your lower or sacral spine to manage pain. Imaging guidance ensures accurate placement. It's the second level, meaning it's done on two different joint levels.

66 services63 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

62 services62 patients

Injection of anesthetic and/or steroid drug into upper or middle spine nerve root using imaging guidance, each additional level 64480

This procedure involves injecting anesthetic or steroid medication into the upper or middle spine nerve root, using imaging for precise placement. It helps alleviate pain by reducing inflammation around the nerves. Each additional level refers to treating more sections of the spine.

35 services28 patients

Injection of upper or middle spine facet joint using imaging guidance, single level 64490

This procedure involves injecting medication into a joint in your upper or middle spine. It's performed under imaging guidance for precision. The aim is to reduce inflammation and pain. It's a single-level process, meaning one joint is treated at a time.

35 services32 patients

Injection of upper or middle spine facet joint using imaging guidance, second level 64491

This procedure involves injecting medication into the upper or middle spine facet joint, a small joint in your back. This is done under imaging guidance for precision. It's a second-level procedure, meaning it's done on two separate joints. It can help reduce pain and inflammation.

34 services31 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

32 services16 patients

Injection into tendon or ligament 20550

An injection into a tendon or ligament involves placing medication directly into these areas to help reduce inflammation and pain. It's often used for conditions like arthritis or tendonitis. The procedure is quick and usually involves a local anesthetic.

31 services23 patients

Aspiration and/or injection of fluid from medium joint 20605

This procedure involves a needle being inserted into a medium-sized joint, such as a knee or shoulder, to remove (aspirate) excess fluid. Sometimes, medication may also be injected into the joint to reduce inflammation and pain.

31 services20 patients

Injection of anesthetic agent and/or steroid into other nerve or branch 64450

This procedure involves injecting an anesthetic agent or steroid into a specific nerve or its branch. The goal is to relieve pain by reducing inflammation and numbing the area. It is commonly used for chronic pain management. The process is safe and usually quick.

15 services14 patients

Hospital Affiliations CMS Care Compare

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

Frederick Health Hospital

Acute Care Hospitals · Frederick, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210005

Location400 West Seventh StFrederick, MD 21701 · Frederick 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.

85.03/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

73.33

Promoting Interoperability

Improvement Activities

Reported Quality Measures

e-Prescribing

90%5,557 patients2/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

100%1,162 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WILLIE M YU P C

Physical Medicine & Rehabilitation (Pain Medicine)

6550 MERCANTILE DR E, SUITE 104
FREDERICK, MD 21703

Frederick County (301) 668-0888

DR. MARK ALEXANDER PITTS DDS

Dentist (Oral and Maxillofacial Surgery)

6550 MERCANTILE DR E, SUITE 101
FREDERICK, MD 21703

Frederick County (301) 698-5208

NEW LIFE CHIROPRACTIC CENTER INC

Chiropractor

6550 MERCANTILE DR E, SUITE 105
FREDERICK, MD 21703

Frederick County (301) 668-2222

DR. MARK C LEMONNIER D.D.S.

Dentist (General Practice)

6550 MERCANTILE DR E, SUITE 204
FREDERICK, MD 21703

Frederick County (301) 663-0811

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 Willie Yu's NPI number?

The NPI number for Willie Yu is 1881634491. It was assigned to this individual provider in the NPPES registry on June 8, 2006.

Where is Willie Yu located?

Willie Yu practices at 6550 Mercantile Dr E Suite 104, Frederick, MD 21703. The listed phone number is (301) 668-0888.

What is Willie Yu's specialty?

The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Pain Medicine, with taxonomy code 2081P2900X.

Is Willie Yu enrolled in Medicare?

Yes. Willie Yu 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 Willie Yu affiliated with any hospitals?

According to CMS data, Willie Yu is affiliated with Frederick Health Hospital.

When was this NPI record last updated?

The NPPES record for Willie Yu was last updated on October 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.