GREGORY MATTHEW LIM M.D.
NPI 1437105251
Radiology - Diagnostic Radiology in Burlingame, CA

Q: What is Gregory Lim's NPI number?

The NPI number for Gregory Lim is 1437105251. It was assigned to this individual provider in the NPPES registry on May 25, 2006.

Q: Where is Gregory Lim located?

Gregory Lim practices at 1783 El Camino Real, Burlingame, CA 94010. The listed phone number is (650) 696-5515.

Q: What is Gregory Lim's specialty?

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

Q: Is Gregory Lim enrolled in Medicare?

Yes. Gregory Lim is registered in the Medicare PECOS enrollment system.

Q: Which organization bills Medicare for Gregory Lim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Lim reassigns Medicare benefits to County Of San Mateo (San Bruno, CA). 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 Gregory Lim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Q: When was this NPI record last updated?

The NPPES record for Gregory Lim was last updated on September 24, 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.

Active since May 25, 2006PECOS Enrolled

1783 EL CAMINO REAL, BURLINGAME, CA 94010(650) 696-5515 Get Directions Write a Review

NPPES record last updated: September 24, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Gregory Matthew Lim M.d. NPPES

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

GREGORY MATTHEW LIM M.D. (NPI 1437105251) is an individual diagnostic radiology provider in Burlingame, California, licensed in California (G71887) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1437105251

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameGREGORY MATTHEW LIMCredential: M.D.

Location Address1783 EL CAMINO REALBurlingame, CA 94010-3205

Mailing AddressPo Box 6102Novato, CA 94948-6102 · (415) 884-3418 · Fax (415) 883-0877

Phone(650) 696-5515

Sole ProprietorNo

Enumeration DateMay 25, 2006

Last NPPES UpdateSeptember 24, 2020

NPPES CertifiedSeptember 24, 2020

✔ NPI 1437105251 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in CA · G71887

Definition

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

Also ListedRadiology · Vascular & Interventional RadiologyTaxonomy 2085R0204X · License G17887 (CA)

1783 EL CAMINO REAL, Burlingame, CA 94010

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Secondary Practice Locations 3

Location 1222 W 39th AveSan Mateo, CA 94403-4364 · Phone (650) 573-2222 · Fax (650) 573-2122

Location 2100 S San Mateo DrSan Mateo, CA 94401-3805 · Phone (650) 696-4515 · Fax (650) 696-4626

Location 31501 Trousdale DrBurlingame, CA 94010-4506 · Phone (650) 696-5515 · Fax (650) 696-5280

Other Identifiers 2

Other300090780CA · Railroad Medicare

Medicaid00G718870CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory Matthew Lim M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Gregory Lim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

County Of San Mateo

2.8 mi

Adolescent and Children Mental Health

300 PIEDMONT AVE
San Bruno, CA 94066

Reassigned Medicare billing, California enrollment
597 clinicians in this Medicare group

NPI 1215029087 (650) 583-8958

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 24

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, 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.

315 services283 patients

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.

124 services123 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

71 services71 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.

61 services58 patients

X-ray of chest, 2 views 71046

46 services46 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.

43 services40 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.

39 services34 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.

38 services37 patients

X-ray of shoulder, minimum of 2 views 73030

38 services37 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.

29 services29 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.

29 services23 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.

26 services22 patients

X-ray of hip, 2-3 views 73502

25 services25 patients

X-ray of knee, 3 views 73562

24 services20 patients

X-ray of foot, minimum of 3 views 73630

20 services19 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.

18 services18 patients

Dxa bone density measurement of forearm, finger, hand, or foot 77081

A DXA bone density measurement of the forearm, finger, hand, or foot is a non-invasive procedure that uses X-rays to measure the amount of calcium and other minerals in your bones. This test helps to assess the strength of your bones and your risk of fractures.

18 services18 patients

X-ray of hip, 1 view 73501

An X-ray of the hip, 1 view, is a quick, painless test where a small amount of radiation is used to produce images of the hip joint. This helps in diagnosing conditions like arthritis or fractures. You'll be positioned so that the X-ray machine can capture the best image of your hip.

17 services16 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.

16 services16 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.

16 services14 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.

16 services14 patients

X-ray of foot, 2 views 73620

An X-ray of the foot, 2 views, is a quick, painless test that produces images of the bones and structures inside your foot. Two different angles are used to provide a comprehensive view. This helps doctors diagnose fractures, infections, or other abnormalities.

14 services11 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.

12 services12 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.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94010 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

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

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.

Reported Quality Measures

Appropriate Follow-up Imaging for Incidental Abdominal Lesions

Percentage of final reports for abdominal imaging studies for asymptomatic patients aged 18 years and older with one or more of the following noted incidentally with follow_up imaging recommended: - Liver lesion =< 0.5 cm - Cystic kidney lesion < 1.0 cm -…

Lower rates are better for this measure.

68%22 patients

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…

97%328 patients

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 20

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

ROBERT HENRY MEINTS MD

Anesthesiology

1783 EL CAMINO REAL
BURLINGAME, CA 94010

San Mateo County (650) 696-5400

KEVIN AKIRA FUKUDA MD

Anesthesiology

1783 EL CAMINO REAL
BURLINGAME, CA 94010

San Mateo County (650) 696-5400

MARK NEWMAN PEDERSON M.D.

Radiology (Diagnostic Radiology)

1783 EL CAMINO REAL
BURLINGAME, CA 94010

San Mateo County (650) 696-5515

DR. QUDDUSA DOONGERWALA M.D

Psychiatry & Neurology (Child & Adolescent Psychiatry)

1783 EL CAMINO REAL
BURLINGAME, CA 94010

San Mateo County (650) 312-5322

RICHARD JUNG MD

Anesthesiology (Pain Medicine)

1783 EL CAMINO REAL
BURLINGAME, CA 94010

San Mateo County (650) 696-5400

DR. JUDY A ALONZO MD

Pathology (Anatomic Pathology & Clinical Pathology)

1783 EL CAMINO REAL, PATHOLOGY DEPT
BURLINGAME, CA 94010

San Mateo County (650) 696-5611

DR. MICHAEL JAY BRESLER M.D.

Emergency Medicine

1783 EL CAMINO REAL
BURLINGAME, CA 94010

San Mateo County (650) 696-5500

DR. ALLAN JOSEPH BRODY M.D.

Emergency Medicine

1783 EL CAMINO REAL
BURLINGAME, CA 94010

San Mateo County (650) 696-5500

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 Gregory Lim's NPI number?

The NPI number for Gregory Lim is 1437105251. It was assigned to this individual provider in the NPPES registry on May 25, 2006.

Where is Gregory Lim located?

Gregory Lim practices at 1783 El Camino Real, Burlingame, CA 94010. The listed phone number is (650) 696-5515.

What is Gregory Lim's specialty?

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

Is Gregory Lim enrolled in Medicare?

Yes. Gregory Lim is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gregory Lim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Lim reassigns Medicare benefits to County Of San Mateo (San Bruno, CA). 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 Gregory Lim'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 Gregory Lim was last updated on September 24, 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.