ANSAR HASSAN MD
NPI 1689859332
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Portland, ME

Active since December 31, 2007PECOS EnrolledAccepts Medicare Assignment
98.06/100
CMS Quality Rating
818 CONGRESS ST, PORTLAND, ME 04102(207) 773-8161(207) 773-1489 Get Directions Write a Review

NPPES record last updated: July 1, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ansar Hassan Md NPPES

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

ANSAR HASSAN MD (NPI 1689859332) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Portland, Maine, licensed in Maine (MD24930) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1689859332
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameANSAR HASSANCredential: MD
Location Address818 CONGRESS STPortland, ME 04102-3112
Mailing Address1 Usher CourtRothesay, NEW BRUNSWICK E2E6A4
Fax(207) 773-1489
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateDecember 31, 2007
Last NPPES UpdateJuly 1, 2021
NPPES CertifiedJuly 1, 2021
NPI 1689859332 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
License Licensed in ME · MD24930
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
818 CONGRESS ST, Portland, ME 04102

Accepted Insurance

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

Ansar Hassan Md 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 ID4284718131
PECOS Enrollment IDI20210927001160
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 6

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.

Replacement of aortic valve through the skin and femoral artery 33361
This procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.
17 services17 patients
Coronary artery bypass using artery graft, 1 graft 33533
A coronary artery bypass with one artery graft is a surgical procedure to improve blood flow to your heart. An artery from another part of your body is used to bypass a blocked or narrowed coronary artery. This can help reduce chest pain and risk of heart attack.
17 services17 patients
Harvest of vein using an endoscope 33508
Harvesting a vein using an endoscope is a procedure where a small camera is used to help surgeons remove a vein from your body. This vein is often used to bypass a blocked artery, improving blood flow to your heart.
16 services16 patients
Replacement of mitral valve on heart-lung machine 33430
Mitral valve replacement involves a surgeon removing a damaged or diseased mitral valve in your heart and replacing it with a new, healthy one. This is done while your body is connected to a heart-lung machine, which takes over your heart's pumping function during the procedure.
15 services14 patients
Exposure of major groin artery with creation of conduit 34714
This procedure involves revealing a large artery in your groin area and creating a passageway or conduit. This is done to improve blood flow or to prepare for a future procedure. It's a common vascular surgery done under general anesthesia.
13 services13 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.
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.

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

Mid Coast Hospital

Acute Care Hospitals · Brunswick, ME
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200021
Location123 Medical Center DriveBrunswick, ME 04011 · Cumberland County
Emergency services Birthing friendly

Central Maine Medical Center

Acute Care Hospitals · Lewiston, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200024
Location300 Main StreetLewiston, ME 04240 · Androscoggin County
Emergency services Birthing friendly

Maine General Medical Center

Acute Care Hospitals · Augusta, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number200039
Location35 Medical Center ParkwayAugusta, ME 04330 · Kennebec County
Emergency services Birthing friendly

Penobscot Bay Medical Center

Acute Care Hospitals · Rockport, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200063
Location6 Glen Cove DriveRockport, ME 04856 · Knox 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
$169.96 typical visit price
range $56.28 – $169.96
Typical copayment $42.49 (range $14.07 – $42.49)
Most-billed visit code 99205
Established Patient
$70.13 typical visit price
range $18.22 – $138.92
Typical copayment $17.53 (range $4.55 – $34.73)
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.

98.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.13
Promoting Interoperability100
Improvement Activities40

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.

Nurse Practitioner (Acute Care)
818 CONGRESS ST
PORTLAND, ME 04102
Physician Assistant
818 CONGRESS ST
PORTLAND, ME 04102
Physician Assistant (Surgical)
818 CONGRESS ST
PORTLAND, ME 04102
Physician Assistant
818 CONGRESS ST
PORTLAND, ME 04102
Physician Assistant (Surgical)
818 CONGRESS ST
PORTLAND, ME 04102
Physician Assistant (Surgical)
818 CONGRESS ST
PORTLAND, ME 04102
Physician Assistant
818 CONGRESS ST
PORTLAND, ME 04102
Nurse Practitioner (Acute Care)
818 CONGRESS ST
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 Ansar Hassan's NPI number?

The NPI number for Ansar Hassan is 1689859332. It was assigned to this individual provider in the NPPES registry on December 31, 2007.

Where is Ansar Hassan located?

Ansar Hassan practices at 818 Congress St, Portland, ME 04102. The listed phone number is (207) 773-8161.

What is Ansar Hassan's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Ansar Hassan enrolled in Medicare?

Yes. Ansar Hassan 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.

What insurance does Ansar Hassan accept?

Health plans from Ambetter from NH Healthy Families and Anthem Blue Cross and Blue Shield list Ansar Hassan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ansar Hassan affiliated with any hospitals?

According to CMS data, Ansar Hassan is affiliated with Maine Medical Center, Mid Coast Hospital, Central Maine Medical Center, Maine General Medical Center and Penobscot Bay Medical Center.

When was this NPI record last updated?

The NPPES record for Ansar Hassan was last updated on July 1, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.