What is Isaac Thomsen's NPI number?

Isaac Thomsen's National Provider Identifier (NPI) is 1225185101, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Isaac Thomsen's specialty?

Isaac Thomsen is listed in the NPPES registry with a primary specialty of Pediatric Infectious Diseases Physician (Allopathic & Osteopathic Physicians).

Where is Isaac Thomsen located?

Isaac Thomsen's practice location on file with NPPES is 3601 the Vanderbilt Clinic, Nashville, TN 37232-0001.

What is Isaac Thomsen's phone number?

The practice phone number listed in the NPPES registry for Isaac Thomsen is (615) 322-3000.

Is Isaac Thomsen's NPI active?

Yes — Isaac Thomsen's NPI (1225185101) is active in the NPPES registry as of the last update on 2022-03-14.

IndividualActive

Isaac Thomsen, MD

NPI 1225185101 · Pediatric Infectious Diseases Physician · Nashville, TN

Isaac Thomsen, MD is a Pediatric Infectious Diseases Physician provider in Nashville, TN (NPI 1225185101).

Provider details

NPI number: 1225185101
Entity type: Individual
Primary specialty: Pediatric Infectious Diseases PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 40964 (TN)

Specialties & taxonomies

Pediatric Infectious Diseases PhysicianPrimary2080P0208XLicense 40964 (TN)
Allopathic & Osteopathic Physicians
Internal Medicine Physician207R00000XLicense 40964 (TN)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Detailed profile(99/100 index)

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

Registry tenure38% of score
19 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

3601 the Vanderbilt Clinic

Nashville, TN 37232-0001

Phone: (615) 322-3000

Approximate (ZIP-level) locationGet directions

More TN providers

Mailing address

3841 Green Hills Village Dr Ste 200

Nashville, TN 37215-2691

Additional practice locations (2)

2200 Childrens Way
Nashville, TN 37232-0005
Phone: (615) 936-2000
2601 Tvc
Nashville, TN 37232-0001
Phone: (615) 322-4916

Enumerated: 2007-01-04
Last updated: 2022-03-14
Certified: 2022-03-14

Frequently asked questions

What is Isaac Thomsen's NPI number?: Isaac Thomsen's National Provider Identifier (NPI) is 1225185101, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Isaac Thomsen's specialty?: Isaac Thomsen is listed in the NPPES registry with a primary specialty of Pediatric Infectious Diseases Physician (Allopathic & Osteopathic Physicians).
Where is Isaac Thomsen located?: Isaac Thomsen's practice location on file with NPPES is 3601 the Vanderbilt Clinic, Nashville, TN 37232-0001.
What is Isaac Thomsen's phone number?: The practice phone number listed in the NPPES registry for Isaac Thomsen is (615) 322-3000.
Is Isaac Thomsen's NPI active?: Yes — Isaac Thomsen's NPI (1225185101) is active in the NPPES registry as of the last update on 2022-03-14.

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