DR. HAO STEVEN LO M.D.
NPI 1538336565
Radiology - Diagnostic Radiology in Worcester, MA

Q: What is Hao Lo's NPI number?

The NPI number for Hao Lo is 1538336565. It was assigned to this individual provider in the NPPES registry on May 8, 2008.

Q: What is Hao Lo's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: Is Hao Lo enrolled in Medicare?

Yes. Hao Lo 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.

Q: When was this NPI record last updated?

The NPPES record for Hao Lo was last updated on August 10, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 08, 2008PECOS EnrolledAccepts Medicare Assignment

97.02/100

CMS Quality Rating

55 LAKE AVE N, WORCESTER, MA 01655(508) 334-7237(774) 441-8443 Get Directions Write a Review

NPPES record last updated: August 10, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 10, 2021, Jun 7, 2021, Nov 25, 2020 (3 updates tracked since 2020).

On this page

About Dr. Hao Steven Lo M.d. NPPES

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

DR. HAO STEVEN LO M.D. (NPI 1538336565) is an individual diagnostic radiology provider in Worcester, Massachusetts, licensed in Massachusetts (247293) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and maintains a secondary practice location in Marlborough.

NPPES Registry Identity

NPI1538336565

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. HAO STEVEN LOCredential: M.D.

Location Address55 LAKE AVE NWorcester, MA 01655-0002

Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885 · Fax (508) 334-1977

Phone(508) 334-7237

Fax(774) 441-8443

Sole ProprietorNo

Medical School CMSDuke University School Of MedicineGraduated 2005

Enumeration DateMay 8, 2008

Last NPPES UpdateAugust 10, 20213 updates tracked since enumeration

NPPES CertifiedAugust 10, 2021

✔ NPI 1538336565 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in MA · 247293

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

55 LAKE AVE N, Worcester, MA 01655

Open in Google Maps ↗

Secondary Practice Location 1

Location 1157 Union StMarlborough, MA 01752-1228 · Phone (508) 486-5600 · Fax (508) 229-1241

Other Identifiers 1

Medicaid110088479AMA

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

Dr. Hao Steven Lo 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 ID7214105444

PECOS Enrollment IDI20110714000168

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 42

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.

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

859 services819 patients

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

836 services770 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

352 services346 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

326 services322 patients

3d radiographic procedure 76376

A 3D radiographic procedure is a non-invasive imaging test that helps doctors visualize the internal structures of your body in three dimensions. This advanced technology provides detailed images, aiding in accurate diagnosis and treatment planning. It involves exposure to minimal radiation.

209 services208 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

199 services196 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

173 services171 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

154 services148 patients

X-ray of thigh bone, minimum 2 views 73552

An X-ray of the thigh bone is a non-invasive imaging test. It involves passing a small amount of radiation through the thigh to produce images of the bone structure. At least two different angles are captured for a comprehensive view. This helps detect fractures, infections, or other abnormalities.

94 services94 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

90 services90 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

87 services87 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

80 services79 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

79 services79 patients

X-ray of lower leg, 2 views 73590

An X-ray of the lower leg, 2 views, is a quick, painless test that produces images of the bones in your lower leg. It helps to identify fractures, infections, or diseases. Two different angles are used to provide a comprehensive view of the leg's structure.

70 services70 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

67 services67 patients

Ct scan of middle spine without contrast 72128

A CT scan of the middle spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your mid-spine area. This scan helps doctors identify issues like fractures, tumors, or infections. No dye is used in this procedure.

66 services66 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

66 services63 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

65 services65 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

61 services60 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

59 services59 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

52 services50 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

52 services52 patients

X-ray of elbow, minimum of 3 views 73080

An elbow X-ray with a minimum of 3 views is a non-invasive imaging test. It helps visualize the bones of the elbow from different angles. This aids in diagnosing conditions like fractures or arthritis. The procedure is quick, painless, and usually takes around 15 minutes.

51 services50 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

45 services45 patients

X-ray of upper arm, minimum of 2 views 73060

An X-ray of the upper arm with a minimum of 2 views involves capturing images of your arm from different angles. This helps in assessing the bones and surrounding tissues for any abnormalities or injuries. It's a quick, painless procedure.

40 services39 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

39 services39 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.

38 services38 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

37 services37 patients

Ct scan of pelvis without contrast 72192

A CT scan of the pelvis without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your lower abdomen area. It helps in detecting issues like injuries, inflammation, or abnormal growths. It doesn't involve any dye injection.

33 services33 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

32 services32 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

26 services26 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

X-ray of forearm, 2 views 73090

An X-ray of the forearm, 2 views, is a diagnostic procedure where two different pictures of your forearm are taken using a small amount of radiation. These images help doctors assess your bone health and identify any fractures, infections, or other abnormalities.

24 services24 patients

Ct scan of lower spine with contrast 72132

A CT scan of the lower spine with contrast is a non-invasive imaging test that uses X-ray technology and a contrast dye to create detailed pictures of your lower spine. It helps in diagnosing conditions like herniated discs, fractures, or tumors.

22 services22 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

22 services22 patients

Ct scan of middle spine with contrast 72129

A CT scan of the middle spine with contrast is a detailed imaging test. A special dye is used to highlight areas in your spine, providing clearer pictures. It helps doctors diagnose issues such as injuries, infections, or diseases in that area.

20 services20 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

18 services18 patients

Ct scan of leg without contrast 73700

A CT scan of the leg is a non-invasive imaging test that uses X-rays to capture detailed images of your leg's bones, muscles, and blood vessels. It doesn't use contrast dye and doesn't cause any pain. It helps in diagnosing injuries or diseases.

16 services16 patients

X-ray of middle spine, 2 views 72070

An X-ray of the middle spine, or thoracic spine, involves capturing two different images of the area. This non-invasive procedure uses small amounts of radiation to visualize the bones and tissues in your back, helping to identify any abnormalities or injuries.

15 services15 patients

X-ray of ribs on side of body, minimum of 3 views 71101

This is a diagnostic procedure where a machine emits a small amount of radiation to capture images of your ribs from at least three different angles. It helps to identify issues like fractures or infections. It's a quick, painless process.

13 services13 patients

Contrast injection for x-ray imaging through existing tube in stomach, small bowel or large bowel 49465

A contrast injection for X-ray imaging uses a special dye to highlight areas in your stomach, small bowel, or large bowel. This dye is introduced through an existing tube in these areas, improving the clarity of the X-ray images.

12 services11 patients

X-ray of chest, 2 views 71046

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Umass Memorial Healthalliance Hospitals

Acute Care Hospitals · Leominster, MA

2/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number220001

Location60 Hospital RoadLeominster, MA 01453 · Worcester County

Emergency services

Umass Memorial Health - Harrington Hospital

Acute Care Hospitals · Southbridge, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220019

Location100 South StreetSouthbridge, MA 01550 · Worcester County

Emergency services

Umass Memorial Healthcare-Marlborough Hospital

Acute Care Hospitals · Marlborough, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220049

Location157 Union StreetMarlborough, MA 01752 · Middlesex County

Emergency services

Milford Regional Medical Center

Acute Care Hospitals · Milford, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number220090

Location14 Prospect StreetMilford, MA 01757 · Worcester County

Emergency services Birthing friendly

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220163

Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01655 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

$90.70 typical visit price

range $58.86 – $177.36

Typical copayment $22.67 (range $14.71 – $44.34)

Most-billed visit code 99203

Established Patient

$73.22 typical visit price

range $19.11 – $144.84

Typical copayment $18.30 (range $4.77 – $36.21)

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.

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.

97.02/100

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

Scored through an Alternative Payment Model

Quality

78.09

Promoting Interoperability

100

Improvement Activities

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. SARAH BETH SAXER PHARMD

Pharmacist (Pharmacotherapy)

55 LAKE AVE N, UMASS MED CENTER DEPT OF PHARMACY
WORCESTER, MA 01655

Worcester County (508) 856-2763

MARTHA LAROSE SAMPSON CRNA

Nurse Anesthetist, Certified Registered

55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655

Worcester County (508) 334-3271

LINDA A PAPE M.D.

Internal Medicine (Cardiovascular Disease)

55 LAKE AVE N, CARDIOLOGY
WORCESTER, MA 01655

Worcester County (508) 856-3050

DR. DALE E RAUCH M.D.

Psychiatry & Neurology (Psychiatry)

55 LAKE AVE N
WORCESTER, MA 01655

Worcester County (508) 856-6580

DR. MAICHI T TRAN PHARM.D.

Pharmacist (Pharmacotherapy)

55 LAKE AVE N
WORCESTER, MA 01655

Worcester County (508) 856-1618

JESSICA L DOUGLAS MS

Genetic Counselor, MS

55 LAKE AVE N, S1-710
WORCESTER, MA 01655

Worcester County (508) 334-3517

DR. JULIANNE PATRICIA HUBER MD

Emergency Medicine

55 LAKE AVE N
WORCESTER, MA 01655

Worcester County (508) 421-1400

ELLEN M GRAVALLESE M.D.

Internal Medicine (Rheumatology)

55 LAKE AVE N
WORCESTER, MA 01655

Worcester County (508) 334-5224

DR. ABIGAIL ADAMS M.D.

Internal Medicine

55 LAKE AVE N, DEPARTMENT OF GENERAL MEDICINE
WORCESTER, MA 01655

Worcester County (508) 856-2731

GAMZE AYATA MD

Pathology (Anatomic Pathology)

55 LAKE AVE N, DEPARTMENT OF PATHOLOGY
WORCESTER, MA 01655

Worcester County (508) 793-6100

DR. MARIANNE E FELICE M.D.

Pediatrics (Adolescent Medicine)

55 LAKE AVE N, DEPARTMENT OF PEDIATRIC ADOLESCENT MEDICINE
WORCESTER, MA 01655

Worcester County (508) 856-3199

JOHN PULLERITS M.D.

Anesthesiology

55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655

Worcester County (508) 334-3271

DIANA I. KOUZNETSOV MD

Anesthesiology

55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655

Worcester County (508) 334-3271

DR. STANLEY K TAM MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

55 LAKE AVE N, DEPARTMENT OF SURGERY
WORCESTER, MA 01655

Worcester County (508) 334-3962

MICHAEL C. BUTLER MD

Emergency Medicine

55 LAKE AVE N, DEPARTMENT OF EMERGENCY MEDICINE
WORCESTER, MA 01655

Worcester County (508) 421-1400

DR. RUBEN PERALTA M.D.

Surgery (Surgical Critical Care)

55 LAKE AVE N, DEPARTMENT OF SURGICAL CRITICAL CARE
WORCESTER, MA 01655

Worcester County (508) 856-5288

ROBERT B ZURIER M.D.

Internal Medicine (Rheumatology)

55 LAKE AVE N, DEPARTMENT OF RHEUMATOLOGY
WORCESTER, MA 01655

Worcester County (508) 856-6246

JUDITH A STEBULIS M.D.

Internal Medicine (Rheumatology)

55 LAKE AVE N, DEPARTMENT OF RHEUMATOLOGY
WORCESTER, MA 01655

Worcester County (508) 334-5224

DR. SHAN LU M.D.

Internal Medicine

55 LAKE AVE N, DEPARTMENT OF INTERNAL MEDICINE
WORCESTER, MA 01655

Worcester County (508) 856-6791

DR. MITCHELL CAHAN M.D.

Surgery

55 LAKE AVE N, DEPARTMENT OF GENERAL SURGERY
WORCESTER, MA 01655

Worcester County (508) 334-7656

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 Hao Lo's NPI number?

The NPI number for Hao Lo is 1538336565. It was assigned to this individual provider in the NPPES registry on May 8, 2008.

Where is Hao Lo located?

Hao Lo practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (508) 334-7237.

What is Hao Lo's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Hao Lo enrolled in Medicare?

Yes. Hao Lo 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 Hao Lo affiliated with any hospitals?

According to CMS data, Hao Lo is affiliated with Umass Memorial Healthalliance Hospitals, Umass Memorial Health - Harrington Hospital, Umass Memorial Healthcare-Marlborough Hospital, Milford Regional Medical Center and Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Hao Lo was last updated on August 10, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.