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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JAMES PAUL CHIOU MD
NPI 1770137853
Hospitalist in Blackstone, MA

Active since July 28, 2019PECOS EnrolledAccepts Medicare Assignment
19 MENDON ST UNIT 1, BLACKSTONE, MA 01504(978) 575-5651(351) 207-4628 Get Directions Write a Review

NPPES record last updated: October 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 6, 2026, Nov 24, 2025, Oct 13, 2023 and 2 more (5 updates tracked since 2019).

About Dr. James Paul Chiou Md NPPES

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

DR. JAMES PAUL CHIOU MD (NPI 1770137853) is an individual hospitalist provider in Blackstone, Massachusetts, licensed in Massachusetts (1020858) and active in the NPI registry since July 2019. He is enrolled in Medicare PECOS, is affiliated with Sturdy Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1770137853
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. JAMES PAUL CHIOUCredential: MD
Location Address19 MENDON ST UNIT 1Blackstone, MA 01504-1643
Mailing Address19 Mendon St Unit 1Blackstone, MA 01504-1643 · (978) 575-5651 · Fax (351) 207-4628
Phone(978) 575-5651
Fax(351) 207-4628
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateJuly 28, 2019
Last NPPES UpdateOctober 6, 20265 updates tracked since enumeration
NPPES CertifiedOctober 6, 2026
✔ NPI 1770137853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses✔ Licensed in MA · 1020858✔ Licensed in RI · MD20786
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 2019026441 (MO)
Also ListedGeneral PracticeTaxonomy 208D00000X · License ME163951 (FL)
19 MENDON ST UNIT 1, Blackstone, MA 01504
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1211 Park StAttleboro, MA 02703-3143 · Phone (508) 222-5200 · Fax (508) 236-7335
Location 2593 Eddy StProvidence, RI 02903-4923 · Phone (401) 444-4000

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

Dr. James Paul Chiou 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 ID8628425485
PECOS Enrollment IDI20240917002971, I20251217003828
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

6

Medicare enrollment records show James Chiou reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lifespan Physician Group, Inc.
2.7 mi
Surgery
2 DUDLEY ST STE 470
Providence, RI 02905
  • Reassigned Medicare billing, Rhode Island enrollment
  • 1,372 clinicians in this Medicare group
NPI 1174484216 (401) 272-1800
Sturdy Health Inc
15 mi
Hospitalist
211 PARK ST
Attleboro, MA 02703
  • Reassigned Medicare billing, Massachusetts enrollment
  • 63 clinicians in this Medicare group
NPI 1063866176 (508) 236-7901
Brown Emergency Medicine
16 mi
Emergency Medicine
593 EDDY ST, CLAVERICK 2
Providence, RI 02903
  • Reassigned Medicare billing, Rhode Island enrollment
  • 201 clinicians in this Medicare group
NPI 1962455022 (401) 444-4000
Beth Israel Lahey Health Primary Care Inc
31 mi
Clinic/Center
8 COMMERCE BLVD
Middleboro, MA 02346
  • Reassigned Medicare billing, Massachusetts enrollment
  • 410 clinicians in this Medicare group
NPI 1568292423 (774) 373-8630
Lahey Clinic, Inc.
39 mi
Internal Medicine
41 MALL RD, LAHEY CLINIC
Burlington, MA 01805
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1063447316 (Massachusetts)
  • 1,574 clinicians in this Medicare group
NPI 1538194980 (781) 744-8000
Community Medical Associates, Inc.
52 mi
Family Medicine
25 MARSTON ST STE 301
Lawrence, MA 01841
  • Reassigned Medicare billing, Massachusetts enrollment
  • 305 clinicians in this Medicare group
NPI 1144544040 (978) 683-4000

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

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 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.
44 services43 patients

Hospital Affiliations CMS Care Compare 3

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

Sturdy Memorial Hospital

Acute Care Hospitals · Attleboro, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220008
Location211 Park StreetAttleboro, MA 02703 · Bristol County
Emergency services Birthing friendly

Lawrence General Hospital

Acute Care Hospitals · Lawrence, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220010
LocationOne General StreetLawrence, MA 01842 · Essex County
Emergency services Birthing friendly

Rhode Island Hospital

Acute Care Hospitals · Providence, RI
3/5 CMS rating
OwnershipTribal
CMS Certification Number410007
Location593 Eddy StreetProvidence, RI 02903 · Providence County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01504 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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.

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 James Chiou's NPI number?

The NPI number for James Chiou is 1770137853. It was assigned to this individual provider in the NPPES registry on July 28, 2019.

Where is James Chiou located?

James Chiou practices at 19 Mendon St Unit 1, Blackstone, MA 01504. The listed phone number is (978) 575-5651.

What is James Chiou's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is James Chiou enrolled in Medicare?

Yes. James Chiou 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.

Which organizations bill Medicare for James Chiou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Chiou reassigns Medicare benefits to 6 organizations: Lifespan Physician Group, Inc. (Providence, RI), Sturdy Health Inc (Attleboro, MA), Brown Emergency Medicine (Providence, RI), Beth Israel Lahey Health Primary Care Inc (Middleboro, MA), Lahey Clinic, Inc. (Burlington, MA) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Chiou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Chiou accept?

Health plans from Taro Health and WellSense Health Plan list James Chiou 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 James Chiou affiliated with any hospitals?

According to CMS data, James Chiou is affiliated with Sturdy Memorial Hospital, Lawrence General Hospital and Rhode Island Hospital.

When was this NPI record last updated?

The NPPES record for James Chiou was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.