What is John Litterst's NPI number?

John Litterst's National Provider Identifier (NPI) is 1578382131, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Litterst's specialty?

John Litterst is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is John Litterst located?

John Litterst's practice location on file with NPPES is 1145 Sagamore Ave, Portsmouth, NH 03801.

What is John Litterst's phone number?

The practice phone number listed in the NPPES registry for John Litterst is (603) 431-6703.

Is John Litterst's NPI active?

Yes — John Litterst's NPI (1578382131) is active in the NPPES registry as of the last update on 2024-10-09.

IndividualActive

John Litterst, MA

NPI 1578382131 · Mental Health Counselor · Portsmouth, NH

John Litterst, MA is a Mental Health Counselor provider in Portsmouth, NH (NPI 1578382131).

Provider details

NPI number: 1578382131
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Credential: MA
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(49/100 index)

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

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
83% 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

1145 Sagamore Ave

Portsmouth, NH 03801

Phone: (603) 431-6703

Street-level locationGet directions

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Mailing address