What is James Wilterding's NPI number?

James Wilterding's National Provider Identifier (NPI) is 1548218100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is James Wilterding's specialty?

James Wilterding is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is James Wilterding located?

James Wilterding's practice location on file with NPPES is 1340 Boylston St, Boston, MA 02215.

What is James Wilterding's phone number?

The practice phone number listed in the NPPES registry for James Wilterding is (617) 267-0900.

Is James Wilterding's NPI active?

Yes — James Wilterding's NPI (1548218100) is active in the NPPES registry as of the last update on 2019-02-07.

IndividualActive

James Wilterding, MD

NPI 1548218100 · Internal Medicine Physician · Boston, MA

James Wilterding, MD is a Internal Medicine Physician provider in Boston, MA (NPI 1548218100).

Provider details

NPI number: 1548218100
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 2003-0249 (NM)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 277584 (MA)
Allopathic & Osteopathic Physicians
Family Medicine Physician207Q00000XLicense 2003-0249 (NM)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(100/100 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
3 documented practice locations

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

1340 Boylston St

Boston, MA 02215

Phone: (617) 267-0900

Fax: (617) 247-3460

Street-level locationGet directions

More MA providers

Mailing address

1340 Boylston St

Boston, MA 02215-4302

Additional practice locations (2)

1 University of New Mexico
Msc 06-3870
Albuquerque, NM 87131-0001
Phone: (505) 277-7960
Fax: (505) 277-2020
1 University of New Mexico
Msc 06-3870
Albuquerque, NM 87131-0001
Phone: (505) 277-7960
Fax: (505) 277-2020

Enumerated: 2006-05-05
Last updated: 2019-02-07

Frequently asked questions

What is James Wilterding's NPI number?: James Wilterding's National Provider Identifier (NPI) is 1548218100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is James Wilterding's specialty?: James Wilterding is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
Where is James Wilterding located?: James Wilterding's practice location on file with NPPES is 1340 Boylston St, Boston, MA 02215.
What is James Wilterding's phone number?: The practice phone number listed in the NPPES registry for James Wilterding is (617) 267-0900.
Is James Wilterding's NPI active?: Yes — James Wilterding's NPI (1548218100) is active in the NPPES registry as of the last update on 2019-02-07.

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