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WILLIE LIANG M.D.
NPI 1275989915
Surgery in Baltimore, MD

Active since May 12, 2016PECOS EnrolledAccepts Medicare Assignment
22 S GREENE ST, BALTIMORE, MD 21201(410) 328-5840 Get Directions Write a Review

NPPES record last updated: June 15, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 18, 2016, May 12, 2016 (2 updates tracked since 2016).

About Willie Liang M.d. NPPES

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

WILLIE LIANG M.D. (NPI 1275989915) is an individual surgery provider in Baltimore, Maryland, licensed in Maryland (P32609) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with Medstar Franklin Square Medical Center, and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1275989915
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameWILLIE LIANGCredential: M.D.
Location Address22 S GREENE STBaltimore, MD 21201-1544
Mailing Address22 S Greene StBaltimore, MD 21201-1544 · (410) 328-5840
Phone(410) 328-5840
Sole ProprietorYes
Medical School CMSHoward University College Of MedicineGraduated 2016
Enumeration DateMay 12, 2016
Last NPPES UpdateJune 15, 20222 updates tracked since enumeration
NPPES CertifiedJune 15, 2022
✔ NPI 1275989915 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in MD · P32609
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
22 S GREENE ST, Baltimore, MD 21201
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Secondary Practice Location 1

Location 12401 W Belvedere AveBaltimore, MD 21215-5216 · Phone (410) 601-9386

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

Willie Liang 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 ID6305137365
PECOS Enrollment IDI20200219000059
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

3

Medicare enrollment records show Willie Liang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medstar Medical Group II LLC
5.3 mi
General Practice
5601 LOCH RAVEN BLVD, RUSSELL MORGAN BLDG 3RD FL
Baltimore, MD 21239
  • Reassigned Medicare billing, Maryland enrollment
  • 2,602 clinicians in this Medicare group
NPI 1184046187 (443) 444-5606
Northwest Hospital Center, Inc
9.7 mi
Surgery of the Hand
5401 OLD COURT RD
Randallstown, MD 21133
  • Reassigned Medicare billing, Maryland enrollment
  • 194 clinicians in this Medicare group
NPI 1982708228 (410) 521-2200
Medstar Heart Institute LLC
32 mi
Surgery
110 IRVING ST NW, ATTN: MEDICAL AFFAIRS
Washington, DC 20010
  • Reassigned Medicare billing, Maryland enrollment
  • 184 clinicians in this Medicare group
NPI 1528345378 (202) 877-5284

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 13

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.

Ultrasound study of arm or leg veins with compression and maneuvers 93970
An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.
40 services39 patients
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.
27 services25 patients
Ultrasound study of one arm or leg veins with compression and maneuvers 93971
This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.
26 services26 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
26 services23 patients
Ultrasonic guidance for blood vessel access 76937
Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.
22 services15 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
21 services21 patients

Hospital Affiliations CMS Care Compare 4

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

Medstar Franklin Square Medical Center

Acute Care Hospitals · Rosedale, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210015
Location9000 Franklin Square DriveRosedale, MD 21237 · Baltimore County
Emergency services Birthing friendly

Medstar Union Memorial Hospital

Acute Care Hospitals · Baltimore, MD
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number210024
Location201 East University ParkwayBaltimore, MD 21218 · Baltimore City County
Emergency services

Medstar Harbor Hospital

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210034
Location3001 South Hanover StreetBaltimore, MD 21225 · Baltimore City County
Birthing friendly

Medstar Good Samaritan Hospital

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number210056
Location5601 Loch Raven BoulevardBaltimore, MD 21239 · Baltimore City County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21201 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
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
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.

DR. LEONARD ANANG SOWAH M.D.
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (410) 706-4619
VISHAL BHATNAGAR MD
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, MEDICINE, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-6110
NANCE J FOX P.A.-C
Physician Assistant (Medical)
22 S GREENE ST, G2K36
BALTIMORE, MD 21201
Baltimore City (410) 328-1170
HILARY TAMARA WOLF MD
Pediatrics (Adolescent Medicine)
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (410) 328-7373
MS. LINDSAY BREAM O'MEARA CRNP
Nurse Practitioner (Acute Care)
22 S GREENE ST, SUITE S4D07
BALTIMORE, MD 21201
Baltimore City (410) 328-3365
NORA T OLIVER M.D., M.P.H.
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-5756
SHOSHANA JO WEINER
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (617) 214-1332
JENNA VANLIERE CANZONIERO M.D.
Internal Medicine
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-5756

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 Liang's NPI number?

The NPI number for Willie Liang is 1275989915. It was assigned to this individual provider in the NPPES registry on May 12, 2016.

Where is Willie Liang located?

Willie Liang practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-5840.

What is Willie Liang's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Willie Liang enrolled in Medicare?

Yes. Willie Liang 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 Willie Liang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Willie Liang reassigns Medicare benefits to 3 organizations: Medstar Medical Group II LLC (Baltimore, MD), Northwest Hospital Center, Inc (Randallstown, MD) and Medstar Heart Institute LLC (Washington, DC). 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 Willie Liang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Willie Liang affiliated with any hospitals?

According to CMS data, Willie Liang is affiliated with Medstar Franklin Square Medical Center, Medstar Union Memorial Hospital, Medstar Harbor Hospital and Medstar Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Willie Liang was last updated on June 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.