What is Jason Wong's NPI number?

Jason Wong's National Provider Identifier (NPI) is 1821052242, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jason Wong's specialty?

Jason Wong is listed in the NPPES registry with a primary specialty of Adult Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Jason Wong located?

Jason Wong's practice location on file with NPPES is 221 Crescent St, Waltham, MA 02453-3475.

What is Jason Wong's phone number?

The practice phone number listed in the NPPES registry for Jason Wong is (866) 849-0692.

Does Jason Wong accept Medicare?

Jason Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Jason Wong's NPI active?

Yes — Jason Wong's NPI (1821052242) is active in the NPPES registry as of the last update on 2025-09-23.

IndividualActiveAccepts Medicare

Jason Wong, MD

NPI 1821052242 · Adult Medicine Physician · Waltham, MA

Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Jason Wong, MD is a Adult Medicine Physician provider in Waltham, MA (NPI 1821052242).

Provider details

NPI number: 1821052242
Entity type: Individual
Primary specialty: Adult Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 2021-02364 (NC)

Specialties & taxonomies

Adult Medicine PhysicianPrimary207QA0505XLicense MD0041655 (WA)
Allopathic & Osteopathic Physicians
Adult Medicine Physician207QA0505XLicense 2021-02364 (NC)
Allopathic & Osteopathic Physicians
Adult Medicine Physician207QA0505XLicense DR.0066357 (CO)
Allopathic & Osteopathic Physicians
Adult Medicine Physician207QA0505XLicense TPME5081 (FL)
Allopathic & Osteopathic Physicians
Adult Medicine Physician207QA0505XLicense 35C.000339 (OH)
Allopathic & Osteopathic Physicians
Adult Medicine Physician207QA0505XLicense 86632 (SC)

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

221 Crescent St

Waltham, MA 02453-3475

Phone: (866) 849-0692

Fax: (888) 973-8821

Street-level locationGet directions

More MA providers

Mailing address

Po Box 211699

Eagan, MN 55121-3699

Enumerated: 2006-04-13
Last updated: 2025-09-23
Certified: 2025-09-23

Frequently asked questions

What is Jason Wong's NPI number?: Jason Wong's National Provider Identifier (NPI) is 1821052242, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Jason Wong's specialty?: Jason Wong is listed in the NPPES registry with a primary specialty of Adult Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Jason Wong located?: Jason Wong's practice location on file with NPPES is 221 Crescent St, Waltham, MA 02453-3475.
What is Jason Wong's phone number?: The practice phone number listed in the NPPES registry for Jason Wong is (866) 849-0692.
Does Jason Wong accept Medicare?: Jason Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Jason Wong's NPI active?: Yes — Jason Wong's NPI (1821052242) is active in the NPPES registry as of the last update on 2025-09-23.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.