What is Mark Lange's NPI number?

Mark Lange's National Provider Identifier (NPI) is 1538227855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Lange's specialty?

Mark Lange is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).

Where is Mark Lange located?

Mark Lange's practice location on file with NPPES is 51 Locust St, Northampton, MA 01060-2045.

What is Mark Lange's phone number?

The practice phone number listed in the NPPES registry for Mark Lange is (413) 585-8608.

Is Mark Lange's NPI active?

Yes — Mark Lange's NPI (1538227855) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Mark Lange, PSYD

NPI 1538227855 · Clinical Psychologist · Northampton, MA

Mark Lange, PSYD is a Clinical Psychologist provider in Northampton, MA (NPI 1538227855).

Provider details

NPI number: 1538227855
Entity type: Individual
Primary specialty: Clinical PsychologistBehavioral Health & Social Service Providers
Credential: PSYD
Sex: Male
Sole proprietor: Yes
License: 3686 (MA)

Specialties & taxonomies

Clinical PsychologistPrimary103TC0700XLicense 3686 (MA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(90/100 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
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

51 Locust St

Northampton, MA 01060-2045

Phone: (413) 585-8608

Street-level locationGet directions

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Mailing address