BRIAN CHOI M.D.
NPI 1104264175
Internal Medicine in Portsmouth, NH

Q: What is Brian Choi's NPI number?

The NPI number for Brian Choi is 1104264175. It was assigned to this individual provider in the NPPES registry on June 11, 2013.

Q: What is Brian Choi's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Brian Choi was last updated on December 1, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 June 11, 2013PECOS EnrolledAccepts Medicare Assignment

333 BORTHWICK AVE, PORTSMOUTH, NH 03801(215) 442-5031 Get Directions Write a Review

NPPES record last updated: December 1, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Brian Choi M.d. NPPES

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

BRIAN CHOI M.D. (NPI 1104264175) is an individual internal medicine provider in Portsmouth, New Hampshire, licensed in New Hampshire (17810) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with York Hospital, and maintains a secondary practice location in Brooklyn.

NPPES Registry Identity

NPI1104264175

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameBRIAN CHOICredential: M.D.

Location Address333 BORTHWICK AVEPortsmouth, NH 03801-7128

Mailing Address44 Portland Ave Apt 12Dover, NH 03820-3680

Phone(215) 442-5031

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateJune 11, 2013

Last NPPES UpdateDecember 1, 2017

✔ NPI 1104264175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NH · 17810

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

333 BORTHWICK AVE, Portsmouth, NH 03801

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Secondary Practice Location 1

Location 1450 Clarkson Ave, Box 1262Brooklyn, NY 11203-2012 · Phone (718) 270-8867

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health, WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Brian Choi 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 ID3274811146

PECOS Enrollment IDI20161027000644

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 Reassignments

Medicare enrollment records show Brian Choi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Core Physicians, LLC

8.7 mi

Family Medicine

4 ALUMNI DR
Exeter, NH 03833

Reassigned Medicare billing, New Hampshire enrollment
395 clinicians in this Medicare group

NPI 1336330588 (603) 580-6753

Hospital Medicine Services Of Nh, LLC

29 mi

Hospitalist

1 PARKLAND DR
Derry, NH 03038

Reassigned Medicare billing, New Hampshire enrollment
150 clinicians in this Medicare group

NPI 1548967607 (603) 432-1500

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 4

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

668 services629 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

46 services25 patients

Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes 99236

This service involves a brief hospital stay for a serious health issue. Patients are admitted and discharged on the same day, typically within 55 minutes. It allows for close monitoring and immediate treatment, ensuring optimal care.

16 services16 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

York Hospital

Acute Care Hospitals · York, ME

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number200020

Location15 Hospital DriveYork, ME 03909 · York County

Emergency services Birthing friendly

Frisbie Memorial Hospital

Acute Care Hospitals · Rochester, NH

2/5 CMS rating

OwnershipProprietary

CMS Certification Number300014

Location11 Whitehall RoadRochester, NH 03867 · Strafford County

Emergency services

Parkland Medical Center

Acute Care Hospitals · Derry, NH

5/5 CMS rating

OwnershipProprietary

CMS Certification Number300017

Location1 Parkland DriveDerry, NH 03038 · Rockingham County

Emergency services

Portsmouth Regional Hospital

Acute Care Hospitals · Portsmouth, NH

3/5 CMS rating

OwnershipProprietary

CMS Certification Number300029

Location333 Borthwick AvePortsmouth, NH 03801 · Rockingham County

Emergency services Birthing friendly

Huggins Hospital

Critical Access Hospitals · Wolfeboro, NH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number301312

Location240 South Main StreetWolfeboro, NH 03894 · Carroll County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03801 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

$132.09 typical visit price

range $57.75 – $174.26

Typical copayment $33.02 (range $14.43 – $43.56)

Most-billed visit code 99204

Established Patient

$101.54 typical visit price

range $18.70 – $142.15

Typical copayment $25.38 (range $4.67 – $35.53)

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.

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

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

99%522 patients4/55-star benchmark: 100%

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.

DR. JOHN PAUL GENS JR. MD

Surgery

333 BORTHWICK AVE, SUITE 305
PORTSMOUTH, NH 03801

Rockingham County (603) 433-6994

YOO NA CHUN MD

Student in an Organized Health Care Education/Training Program