DR. ROSALYNN NELSON MD
NPI 1336371582
Psychiatry & Neurology - Child & Adolescent Psychiatry in Bar Harbor, ME

Q: What is Rosalynn Nelson's NPI number?

The NPI number for Rosalynn Nelson is 1336371582. It was assigned to this individual provider in the NPPES registry on August 20, 2009.

Q: What is Rosalynn Nelson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Q: When was this NPI record last updated?

The NPPES record for Rosalynn Nelson was last updated on March 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 20, 2009PECOS Enrolled

322 MAIN ST, BAR HARBOR, ME 04609(207) 288-8604(207) 288-8602 Get Directions Write a Review

NPPES record last updated: March 31, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 31, 2026, Aug 31, 2022, Oct 1, 2018 and 1 more (4 updates tracked since 2017).

On this page

About Dr. Rosalynn Nelson Md NPPES

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

DR. ROSALYNN NELSON MD (NPI 1336371582) is an individual child & adolescent psychiatry provider in Bar Harbor, Maine, licensed in Maine (MD20684) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS, is affiliated with Mount Desert Island Hospital, and maintains a secondary practice location in San Jose.

NPPES Registry Identity

NPI1336371582

Entity TypeIndividualFemale

Primary Taxonomy2084P0804X

Provider Legal NameDR. ROSALYNN NELSONCredential: MD

Location Address322 MAIN STBar Harbor, ME 04609-1648

Mailing AddressPo Box 58484Houston, TX 77258-8484 · (832) 385-1909

Phone(207) 288-8604

Fax(207) 288-8602

Sole ProprietorYes

Medical School CMSOtherGraduated 2009

Enumeration DateAugust 20, 2009

Last NPPES UpdateMarch 31, 20264 updates tracked since enumeration

NPPES CertifiedMarch 31, 2026

✔ NPI 1336371582 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0804X

License✔ Licensed in ME · MD20684

Definition

Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License P4121 (TX), A118707 (CA)

322 MAIN ST, Bar Harbor, ME 04609

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Secondary Practice Location 1

Location 1One Washington SquareSan Jose, CA 95192 · Phone (408) 924-6122

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Rosalynn Nelson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID648413195

PECOS Enrollment IDI20251031003468

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Rosalynn Nelson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mount Desert Island Hospital

0.1 mi

Critical Access

10 WAYMAN LN
Bar Harbor, ME 04609

Reassigned Medicare billing, Maine enrollment
87 clinicians in this Medicare group

NPI 1790764512 (207) 288-5081

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mount Desert Island Hospital

Critical Access Hospitals · Bar Harbor, ME

OwnershipVoluntary non-profit - Private

CMS Certification Number201304

Location10 Wayman Lane, PO Box 8Bar Harbor, ME 04609 · Hancock County

Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MISS BETTY MASSIE PHD

Psychologist (Family)

322 MAIN ST
BAR HARBOR, ME 04609

Hancock County (207) 288-8604

NICOLE RG RANDALL LCSW CADC

Social Worker (Clinical)

322 MAIN ST
BAR HARBOR, ME 04609

Hancock County (207) 288-8604

RUTH M LAMDAN MD

Psychiatry & Neurology (Psychiatry)

322 MAIN ST
BAR HARBOR, ME 04609

Hancock County (207) 288-8604

ORMANDA DOROTHEA JOHNSON MD

Family Medicine

322 MAIN ST
BAR HARBOR, ME 04609

Hancock County (207) 288-5119

DR. TRAVIS M. LAJOIE D.O.

Psychiatry & Neurology (Psychiatry)

322 MAIN ST, FLR 3
BAR HARBOR, ME 04609

Hancock County (207) 288-8604

CHARLOTTE CLEWS LMSW-CC

Social Worker (Clinical)

322 MAIN ST
BAR HARBOR, ME 04609

Hancock County (207) 288-8604

LAUREN RASHEL MARTIN FNP

Nurse Practitioner (Family)

322 MAIN ST
BAR HARBOR, ME 04609

Hancock County (207) 288-5119

MARK A KANDUTSCH M.D.

Family Medicine (Sports Medicine)

322 MAIN ST
BAR HARBOR, ME 04609

Hancock County (207) 288-5081

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rosalynn Nelson's NPI number?

The NPI number for Rosalynn Nelson is 1336371582. It was assigned to this individual provider in the NPPES registry on August 20, 2009.

Where is Rosalynn Nelson located?

Rosalynn Nelson practices at 322 Main St, Bar Harbor, ME 04609. The listed phone number is (207) 288-8604.

What is Rosalynn Nelson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Rosalynn Nelson enrolled in Medicare?

Yes. Rosalynn Nelson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Rosalynn Nelson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rosalynn Nelson reassigns Medicare benefits to Mount Desert Island Hospital (Bar Harbor, ME). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rosalynn Nelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rosalynn Nelson accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Rosalynn Nelson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Rosalynn Nelson affiliated with any hospitals?

According to CMS data, Rosalynn Nelson is affiliated with Mount Desert Island Hospital.

When was this NPI record last updated?

The NPPES record for Rosalynn Nelson was last updated on March 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.