DR. JOHN W MAH M.D.
NPI 1316040272
Surgery in Hartford, CT

Active since September 06, 2006PECOS EnrolledAccepts Medicare Assignment
86.41/100
CMS Quality Rating
80 SEYMOUR STREET, HARTFORD HOSPITAL SURGERY DEPT, HARTFORD, CT 06102(860) 545-5152 Get Directions Write a Review

NPPES record last updated: February 25, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. John W Mah M.d. NPPES

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

DR. JOHN W MAH M.D. (NPI 1316040272) is an individual surgery provider in Hartford, Connecticut, licensed in Connecticut (041522) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Sanford School Of Medicine Of University Of South Dakota (1998).

NPPES Registry Identity

NPI1316040272
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. JOHN W MAHCredential: M.D.
Location Address80 SEYMOUR STREET, HARTFORD HOSPITAL SURGERY DEPTHartford, CT 06102
Mailing AddressHartford Hospita Professional Services, Po Box 40,000 Dept 634Hartford, CT 06151-0634 · (860) 545-7602
Sole ProprietorNo
Medical School CMSSanford School Of Medicine Of University Of South DakotaGraduated 1998
Enumeration DateSeptember 6, 2006
Last NPPES UpdateFebruary 25, 2008
NPI 1316040272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License Licensed in CT · 041522
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.
80 SEYMOUR STREET, Hartford, CT 06102

Other Identifiers 1

Medicare UPINI09207CT

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. John W Mah 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 ID9133199029
PECOS Enrollment IDI20040728001019
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

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
59 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06102 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
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.

86.41/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.99
Promoting Interoperability100
Improvement Activities40
Cost43.03

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.

Physician Assistant (Surgical)
80 SEYMOUR STREET, HARTFORD HOSPITAL SURGERY DEPT
HARTFORD, CT 06102
Dietitian, Registered
80 SEYMOUR STREET, HARTFORD HOSPITAL FOOD & NUTRITION SERVICES
HARTFORD, CT 06102
Thoracic Surgery (Cardiothoracic Vascular Surgery)
80 SEYMOUR STREET, CARDIAC SURGERY
HARTFORD, CT 06102
Psychiatry & Neurology (Psychiatry)
80 SEYMOUR STREET, HARTFORD HOSPITAL
HARTFORD, CT 06102
Physician Assistant (Medical)
80 SEYMOUR STREET, HARTFORD HOSPITAL MEDICINE DEPT
HARTFORD, CT 06102
Physician Assistant (Medical)
80 SEYMOUR STREET, HARTFORD HOSPITAL EMERGENCY MEDICINE
HARTFORD, CT 06102
Student in an Organized Health Care Education/Training Program
80 SEYMOUR STREET
HARTFORD, CT 06102
Physician Assistant
80 SEYMOUR STREET, HARTFORD HOSPITAL SURGERY DEPT
HARTFORD, CT 06102

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 John Mah's NPI number?

The NPI number for John Mah is 1316040272. It was assigned to this individual provider in the NPPES registry on September 6, 2006.

Where is John Mah located?

John Mah practices at 80 Seymour Street Hartford Hospital Surgery Dept, Hartford, CT 06102. The listed phone number is (860) 545-5152.

What is John Mah's specialty?

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

Is John Mah enrolled in Medicare?

Yes. John Mah 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.

When was this NPI record last updated?

The NPPES record for John Mah was last updated on February 25, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.