ANDREW J. HSU M.D.
NPI 1003270471
Internal Medicine - Gastroenterology in Portland, ME

Active since April 11, 2016PECOS EnrolledAccepts Medicare Assignment
155 FORE RIVER PKWY, PORTLAND, ME 04102(207) 535-1100(207) 879-8787 Get Directions Write a Review

NPPES record last updated: August 23, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 23, 2023, Jul 13, 2023, Jul 8, 2022 (3 updates tracked since 2022).

About Andrew J. Hsu M.d. NPPES

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

ANDREW J. HSU M.D. (NPI 1003270471) is an individual gastroenterology provider in Portland, Maine, licensed in Maine (MD27103) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Northern Light Health, and is a graduate of New York University School Of Medicine (2016).

NPPES Registry Identity

NPI1003270471
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameANDREW J. HSUCredential: M.D.
Location Address155 FORE RIVER PKWYPortland, ME 04102-2795
Mailing Address155 Fore River PkwyPortland, ME 04102-2795
Fax(207) 879-8787
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 2016
Enumeration DateApril 11, 2016
Last NPPES UpdateAugust 23, 20233 updates tracked since enumeration
NPPES CertifiedAugust 23, 2023
NPI 1003270471 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses Licensed in ME · MD27103 Licensed in NH · 22622
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
155 FORE RIVER PKWY, Portland, ME 04102

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

Andrew J. Hsu 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 ID648562876
PECOS Enrollment IDI20230607002543
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 7

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.

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
69 services65 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
63 services63 patients
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
34 services33 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
28 services28 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.
26 services19 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.
17 services16 patients

Hospital Affiliations CMS Care Compare 3

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

Northern Light Health

Acute Care Hospitals · Portland, ME
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number200008
Location144 State StreetPortland, ME 04101 · Cumberland County
Emergency services Birthing friendly

Maine Medical Center

Acute Care Hospitals · Portland, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200009
Location22 Bramhall StPortland, ME 04102 · Cumberland County
Emergency services Birthing friendly

Northern Light Eastern Maine Medical Center

Acute Care Hospitals · Bangor, ME
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200033
Location489 State StreetBangor, ME 04401 · Penobscot County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04102 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
$128.83 typical visit price
range $56.28 – $169.96
Typical copayment $32.20 (range $14.07 – $42.49)
Most-billed visit code 99204
Established Patient
$99.18 typical visit price
range $18.22 – $138.92
Typical copayment $24.79 (range $4.55 – $34.73)
Most-billed visit code 99214
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 3

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

Nurse Practitioner (Family)
155 FORE RIVER PKWY
PORTLAND, ME 04102
Nurse Practitioner (Family)
155 FORE RIVER PKWY
PORTLAND, ME 04102
Nurse Practitioner (Family)
155 FORE RIVER PKWY
PORTLAND, ME 04102

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 Andrew Hsu's NPI number?

The NPI number for Andrew Hsu is 1003270471. It was assigned to this individual provider in the NPPES registry on April 11, 2016.

Where is Andrew Hsu located?

Andrew Hsu practices at 155 Fore River Pkwy, Portland, ME 04102. The listed phone number is (207) 535-1100.

What is Andrew Hsu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Andrew Hsu enrolled in Medicare?

Yes. Andrew Hsu 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 Andrew Hsu affiliated with any hospitals?

According to CMS data, Andrew Hsu is affiliated with Northern Light Health, Maine Medical Center and Northern Light Eastern Maine Medical Center.

When was this NPI record last updated?

The NPPES record for Andrew Hsu was last updated on August 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.