Home
NPI Lookup
Lookup Tools
Doctors
Organizations
Top Doctors
Directory
Taxonomy Codes
Updates

Home
Directory
Maine
Portland
Social Worker
NPI Profile

NPI ProfileIndividual NPI Record28 fields Similar Nearby38 providers

LEAH CHRISTENSEN OTTOW LCSW
NPI 1346577020
Social Worker - Clinical in Portland, ME

Active since November 17, 2009

66 STATE ST, PORTLAND, ME 04101(207) 871-7431(207) 871-7457 Get Directions Write a Review

NPPES record last updated: November 17, 2009. Verified against the NPPES registry weekly; last sync: July 19, 2026.

On this page

Verify NPI

About Leah Christensen Ottow Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LEAH CHRISTENSEN OTTOW LCSW (NPI 1346577020) is an individual clinical provider in Portland, Maine, licensed in Maine (LC12338) and active in the NPI registry since November 2009.Information from the official NPPES registry record, last updated November 17, 2009.

NPPES Registry Identity

NPI1346577020

Entity TypeIndividualFemale

Provider Legal NameLEAH CHRISTENSEN OTTOWCredential: LCSW

Location Address66 STATE STPortland, ME 04101-3751

Mailing AddressPo Box 797Portland, ME 04104-0797 · (207) 871-7431 · Fax (207) 871-7457

Phone(207) 871-7431

Fax(207) 871-7457

Sole ProprietorNo

Enumeration DateNovember 17, 2009

✔ NPI 1346577020 is a valid, active identifier and passes the ISO check-digit test. How NPI validation works

★ Primary Specialty

Social Worker · Clinical

Taxonomy 1041C0700X · Behavioral Health & Social Service Providers

✔ Licensed in ME · LC12338

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised… Show more

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

66 STATE ST, Portland, ME 04101

Open in Google Maps ↗

Reviews for LEAH CHRISTENSEN OTTOW LCSW

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

Submit your review

Name

Email Address

Overall Experience Rating

☆ ☆ ☆ ☆ ☆

Experience with Provider Rating

☆ ☆ ☆ ☆ ☆

Experience with Office Staff Rating

☆ ☆ ☆ ☆ ☆

Provider Review

Please provide an objective and respectful review of your experience with this provider.

Review guidelines:

Please be respectful: avoid name-calling, slander, insults, offensive language, personal attacks or prejudiced remarks.
Please stay on topic: when submitting a review or comment, try to focus on the facts and remain as objective as possible.
Constructive feedback: we encourage you to express your opinions in a constructive manner. Share your insights to help others make informed decisions.
Review Approval: all submissions undergo a human review process before they are published. We reserve the right to remove any review we deem inappropriate, not constructive or doesn’t meet the review guidelines.

Other Providers at the Same Location

The following 15 providers are registered at the same or a nearby location.

MR. PETER STEVEN SENTNER LCSW

Social Worker (Clinical)

66 STATE ST
PORTLAND, ME 04101

Cumberland County (207) 871-7431

JANE A FLETT LCSW

Social Worker (Clinical)

66 STATE ST
PORTLAND, ME 04101

Cumberland County (207) 871-7431

MRS. ANNE T. LAFONTAINE

Social Worker (Clinical)

66 STATE ST
PORTLAND, ME 04101

Cumberland County (207) 871-7431

CATHOLIC CHARITIES MAINE

Case Management

66 STATE ST
PORTLAND, ME 04101

Cumberland County (207) 871-7431

CATHOLIC CHARITIES MAINE

Community/Behavioral Health

66 STATE ST
PORTLAND, ME 04101

Cumberland County (207) 871-7431

AMBER LYNN RICHARD R.N.

Registered Nurse

66 STATE ST
PORTLAND, ME 04101

Cumberland County (207) 871-7431

MR. PETER JEFFERS KIMBALL JR. LCSW

Social Worker (Clinical)

66 STATE ST
PORTLAND, ME 04101

Cumberland County (207) 871-7431

MRS. EMILY LUSENHOP

Social Worker (Clinical)

66 STATE ST
PORTLAND, ME 04101

Cumberland County (207) 871-7431

BRIAN MAYNARD TOWNSEND LCPC

Counselor (Professional)

66 STATE ST
PORTLAND, ME 04101

Cumberland County (207) 871-7431

ABIGAIL LEAH SPADONE LMSW-CC

Social Worker (Clinical)

66 STATE ST
PORTLAND, ME 04101

Cumberland County (207) 871-7431

MS. GWENDOLYNE ELISSA TUTTLE LMSW-CC

Social Worker (Clinical)

66 STATE ST
PORTLAND, ME 04101

Cumberland County (207) 871-7431

JEFF TINER LCSW

Social Worker (Clinical)

66 STATE ST
PORTLAND, ME 04101

Cumberland County (207) 781-8550

MARIA BEAUREGARD

Counselor (Addiction (Substance Use Disorder))

66 STATE ST
PORTLAND, ME 04101

Cumberland County (207) 837-8414

CATHOLIC CHARITIES MAINE

Social Worker

66 STATE ST
PORTLAND, ME 04101

Cumberland County (207) 871-7431

Counselor (Mental Health)

66 STATE ST
PORTLAND, ME 04101

Cumberland County (207) 871-7431

Frequently Asked Questions

What is Leah Ottow's NPI number?

The NPI number assigned to this healthcare provider is 1346577020, enumerated as an "individual" on November 17, 2009.

Where is the provider located?

The provider is located at 66 STATE ST PORTLAND, ME 04101 and the phone number is (207) 871-7431.

What is the provider's specialty?

Social Worker with taxonomy code 1041C0700X and a focus in Clinical.

Previous: 1346577012

Next: 1346577038

Lookup Tools

NPI Lookup
Advanced Registry Search
PECOS Lookup
CLIA Lookup
NPI Validation
Taxonomy Codes
NPI Phone Lookup

NPI & Identifiers

What Is an NPI
NPI Type 1 vs. Type 2
How to Apply for an NPI
Provider Identifiers
What Is a PTAN
Taxonomy Codes
NPI FAQ

Medicare & PECOS

What Is PECOS
How to Enroll in Medicare
Medicare Revalidation
Ordering and Referring
DMEPOS Enrollment
PECOS Login Guide
PECOS FAQ

Billing & Credentialing

Billing & Denials Guide
Credentialing Checklist
DEA Number Lookup
NPPES Login Help
Protecting Your Identity
For Patients
All Resources ›

Resources Hub About Us Statistics Contact Us Opt-Out Terms of Service Privacy Policy Cookie Settings

NPI data updated July 19, 2026 • PECOS data updated July 17, 2026 • Updated weekly from official CMS public data

Data Accuracy: At NPI Profile we strive to keep the information on this site correct and up-to-date based on the latest publicly available official government data sources. NPI information is updated weekly from a dataset provided by the NPPES; CLIA and Medicare data from CMS is updated as it becomes available. Some data integrations on this site are processed by our proprietary algorithms to match the appropriate NPI record. NPI Profile is not affiliated with CMS or any government agency. All information is sourced from the official NPPES public release under FOIA and the Data Dissemination Notice, and is provided “as is” for informational purposes only. Do not rely on this site for credentialing, billing, or any healthcare decision without verifying through official sources. See our Terms of Service and Privacy Policy.

© 2015–2026 NPI Profile • NPI Profile on X