DR. JUSTIN PARIWAT TUWATANANURAK M.D.
NPI 1780115147
Anesthesiology in Boston, MA
About Dr. Justin Pariwat Tuwatananurak M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JUSTIN PARIWAT TUWATANANURAK M.D. (NPI 1780115147) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (290102) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and is a graduate of Virginia Commonwealth University, School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses
Accepted 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. Justin Pariwat Tuwatananurak 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.
Medicare Billing Reassignments
3Medicare enrollment records show Justin Tuwatananurak reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
Long Beach, CA 90806
- Reassigned Medicare billing, California enrollment
- 107 clinicians in this Medicare group
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.
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.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Justin Tuwatananurak's NPI number?
The NPI number for Justin Tuwatananurak is 1780115147. It was assigned to this individual provider in the NPPES registry on March 27, 2017.
Where is Justin Tuwatananurak located?
Justin Tuwatananurak practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-5500.
What is Justin Tuwatananurak's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Justin Tuwatananurak enrolled in Medicare?
Yes. Justin Tuwatananurak 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 Justin Tuwatananurak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justin Tuwatananurak reassigns Medicare benefits to 3 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA), Cep America - Anesthesia PC (Laguna Hills, CA) and California Anesthesia Associates Medical Group, Inc. (Long Beach, CA). 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 Justin Tuwatananurak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Justin Tuwatananurak accept?
Health plans from Taro Health list Justin Tuwatananurak 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 Justin Tuwatananurak was last updated on September 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Justin Pariwat Tuwatananurak, M.D. · NPI 1780115147
Anesthesiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 27, 2017.
## Identity
- **NPI:** 1780115147 (Entity type: Individual)
- **Enumerated:** March 27, 2017
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 290102 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 75 FRANCIS ST, Boston, MA 02115-6106
- **Phone:** (617) 732-5500
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); Cep America - Anesthesia PC (NPI 1861373631, Laguna Hills, CA); California Anesthesia Associates Medical Group, Inc. (NPI 1457399933, Long Beach, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Virginia Commonwealth University, School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** September 9, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1780115147) · Data from the CMS NPPES public registry.