What is Donald Carlsen's NPI number?

Donald Carlsen's National Provider Identifier (NPI) is 1558121764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Donald Carlsen's specialty?

Donald Carlsen is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).

Where is Donald Carlsen located?

Donald Carlsen's practice location on file with NPPES is 15 Fortier Dr, Rochester, NH 03867-1106.

What is Donald Carlsen's phone number?

The practice phone number listed in the NPPES registry for Donald Carlsen is (603) 953-8761.

Is Donald Carlsen's NPI active?

Yes — Donald Carlsen's NPI (1558121764) is active in the NPPES registry as of the last update on 2025-11-07.

IndividualActive

Donald Carlsen, BCBA

NPI 1558121764 · Behavior Analyst · Rochester, NH

Donald Carlsen, BCBA is a Behavior Analyst provider in Rochester, NH (NPI 1558121764).

Provider details

NPI number: 1558121764
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Credential: BCBA
Sex: Male
Sole proprietor: Yes
License: 1-24-72000 (NH)

Practice location

15 Fortier Dr

Rochester, NH 03867-1106

Phone: (603) 953-8761

Street-level locationGet directions

More NH providers

Mailing address

15 Fortier Dr

Rochester, NH 03867-1106

Specialties & taxonomies

Behavior AnalystPrimary103K00000XLicense 1-24-72000 (NH)
Behavioral Health & Social Service Providers

Additional practice locations (2)

200 Sutton St Ste 120
North Andover, MA 01845-1651
Phone: (774) 206-1125
Fax: (774) 628-9657
340 Granite St Fl 3
Manchester, NH 03102-4000
Phone: (774) 206-1125
Fax: (774) 628-9657

Profile Score

Established profile(67/100 index)

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

Registry tenure38% of score
2 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.

Enumerated: 2024-03-22
Last updated: 2025-11-07
Certified: 2025-11-07

Frequently asked questions

What is Donald Carlsen's NPI number?: Donald Carlsen's National Provider Identifier (NPI) is 1558121764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Donald Carlsen's specialty?: Donald Carlsen is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
Where is Donald Carlsen located?: Donald Carlsen's practice location on file with NPPES is 15 Fortier Dr, Rochester, NH 03867-1106.
What is Donald Carlsen's phone number?: The practice phone number listed in the NPPES registry for Donald Carlsen is (603) 953-8761.
Is Donald Carlsen's NPI active?: Yes — Donald Carlsen's NPI (1558121764) is active in the NPPES registry as of the last update on 2025-11-07.

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

Provider details

Practice location

Mailing address

Specialties & taxonomies

Additional practice locations (2)

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Additional practice locations (2)

Profile Score

Frequently asked questions