DR. RENEE T WITLEN MD
NPI 1265757009
Psychiatry & Neurology - Psychiatry in Portland, ME

Active since April 05, 2010PECOS EnrolledAccepts Medicare Assignment
84 MARGINAL WAY, PORTLAND, ME 04101(207) 774-5816(207) 523-8595 Get Directions Write a Review

NPPES record last updated: March 26, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 26, 2026, Mar 22, 2019, Mar 29, 2016 (3 updates tracked since 2016).

About Dr. Renee T Witlen Md NPPES

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

DR. RENEE T WITLEN MD (NPI 1265757009) is an individual psychiatry provider in Portland, Maine, licensed in Maine (MD20944) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2010).

NPPES Registry Identity

NPI1265757009
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. RENEE T WITLENCredential: MD
Location Address84 MARGINAL WAYPortland, ME 04101-2443
Mailing Address100 Gannett Dr Ste CSouth Portland, ME 04106-5900 · (207) 347-2947 · Fax (207) 874-2317
Fax(207) 523-8595
Sole ProprietorYes
Medical School CMSHarvard Medical SchoolGraduated 2010
Enumeration DateApril 5, 2010
Last NPPES UpdateMarch 26, 20263 updates tracked since enumeration
NPPES CertifiedMarch 26, 2026
NPI 1265757009 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in ME · MD20944
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
84 MARGINAL WAY, Portland, ME 04101

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Renee T Witlen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2163648700
PECOS Enrollment IDI20160509000355
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$169.96 typical visit price
range $56.28 – $169.96
Typical copayment $42.49 (range $14.07 – $42.49)
Most-billed visit code 99205
Established Patient
$70.13 typical visit price
range $18.22 – $138.92
Typical copayment $17.53 (range $4.55 – $34.73)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Obstetrics & Gynecology
84 MARGINAL WAY, SUITE 900
PORTLAND, ME 04101
Internal Medicine
84 MARGINAL WAY, SUITE 700
PORTLAND, ME 04101
Nurse Practitioner (Family)
84 MARGINAL WAY, SUITE 700
PORTLAND, ME 04101
Pediatrics
84 MARGINAL WAY, SUITE 1000
PORTLAND, ME 04101
Nurse Practitioner (Family)
84 MARGINAL WAY, SUITE 700
PORTLAND, ME 04101
Nurse Practitioner (Family)
84 MARGINAL WAY
PORTLAND, ME 04101
Nurse Practitioner
84 MARGINAL WAY, SUITE 1000
PORTLAND, ME 04101
Internal Medicine
84 MARGINAL WAY, SUITE 700
PORTLAND, ME 04101

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 Renee Witlen's NPI number?

The NPI number for Renee Witlen is 1265757009. It was assigned to this individual provider in the NPPES registry on April 5, 2010.

Where is Renee Witlen located?

Renee Witlen practices at 84 Marginal Way, Portland, ME 04101. The listed phone number is (207) 774-5816.

What is Renee Witlen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Renee Witlen enrolled in Medicare?

Yes. Renee Witlen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Renee Witlen accept?

Health plans from Harvard Pilgrim Health Care list Renee Witlen 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.

When was this NPI record last updated?

The NPPES record for Renee Witlen was last updated on March 26, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.