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DR. WILLIAM TIN-SHING CHOI MD, PHD
NPI 1861923658
Medical Genetics - Medical Biochemical Genetics in Boston, MA

Active since March 23, 2017PECOS Enrolled
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: August 29, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 8, 2021, Mar 23, 2017 (2 updates tracked since 2017).

About Dr. William Tin-shing Choi Md, Phd NPPES

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

DR. WILLIAM TIN-SHING CHOI MD, PHD (NPI 1861923658) is an individual medical biochemical genetics provider in Boston, Massachusetts, licensed in Massachusetts (286339) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1861923658
Entity TypeIndividualMale
Primary Taxonomy207SG0207X
Provider Legal NameDR. WILLIAM TIN-SHING CHOICredential: MD, PHD
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Phone(617) 355-6000
Sole ProprietorNo
Enumeration DateMarch 23, 2017
Last NPPES UpdateAugust 29, 20242 updates tracked since enumeration
NPPES CertifiedAugust 29, 2024
✔ NPI 1861923658 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMedical Genetics · Medical Biochemical GeneticsAllopathic & Osteopathic Physicians
Taxonomy Code207SG0207X
License✔ Licensed in MA · 286339
Definition
A medical biochemical geneticist specializes in the diagnosis, evaluation, prevention, and treatment of patients with biochemical genetic disorders, defined as inborn errors of metabolism at any age of onset. Training does not include those skills and knowledge necessary to direct a clinical laboratory.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 286339 (MA)
300 LONGWOOD AVE, Boston, MA 02115
Open in Google Maps ↗

Secondary Practice Location 1

Location 1330 Brookline Ave # 3Boston, MA 02215-5400 · Phone (832) 330-2987

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Tin-shing Choi Md, Phd 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$155.29 typical visit price
range $21.07 – $155.29
Typical copayment $38.82 (range $5.26 – $38.82)
Most-billed visit code 99215
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 20

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

JULIE ANN HANSEN LCSW
Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (857) 218-4309
MS. ANNA ROGLIERI
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
STEPHEN G. FLYNN M.D.
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
MISS LAUREN ASHLEY MASTERSON P.T., D.P.T
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-7216
MS. SOYUN KWAN LICSW
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Suffolk County (617) 355-0567
PUJA BANKA M.D.
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Suffolk County (617) 355-6363
MR. COURTNEY SULLIVAN FRATTO CPNP
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Suffolk County (857) 218-4085
DR. ELIZABETH S TAGLAUER M.D., PH.D.
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000

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 William Choi's NPI number?

The NPI number for William Choi is 1861923658. It was assigned to this individual provider in the NPPES registry on March 23, 2017.

Where is William Choi located?

William Choi practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is William Choi's specialty?

The primary specialty registered for this NPI is Medical Genetics, specializing in Medical Biochemical Genetics, with taxonomy code 207SG0207X.

Is William Choi enrolled in Medicare?

Yes. William Choi is registered in the Medicare PECOS enrollment system.

What insurance does William Choi accept?

Health plans from Anthem Blue Cross and Blue Shield list William Choi 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.

When was this NPI record last updated?

The NPPES record for William Choi was last updated on August 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.