NPPES file of Aug 9, 2026

Renee T. Witlen, MD

Psychiatry Physician · Portland, ME

Renee T. Witlen, MD is a psychiatry physician with a practice address in Portland, Maine, and NPI 1265757009, issued on Apr 5, 2010. Check the license (Maine MD20944, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265757009
Name
Renee T. Witlen
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
MD20944 ME
Self-reported in NPPES; status is on the state search
Practice location
84 Marginal Way, Portland, ME 04101
Phone
(207) 774-5816
Enumerated
Apr 5, 2010
Record last updated
Mar 26, 2026
Fax
(207) 523-8595
Medicare enrollment
Enrolled (PECOS I20160509000355); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 2010
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 84 Marginal Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ann Adams, MDObstetrics & Gynecology Physician1902865025
  2. Carol Altman, MDObstetrics & Gynecology Physician1285693309
  3. Cynthia Atkinson, MDInternal Medicine Physician1487753125
  4. Douglas Barr, MDInternal Medicine Physician1134180359
  5. Timothy Baum, MDInternal Medicine Physician1922077601
  6. Michelle Belyea, PNPNurse Practitioner1114996808

Verify Renee T. Witlen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license MD20944
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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84% fewer Medicare Part D claims than the average psychiatry physician in 2024

160 Medicare Part D claims for 49 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Renee Witlen160
  2. Specialty average1,000

Most prescribed

  1. Lamotrigine18 claims
  2. Buspirone Hcl14 claims
  3. Risperidone14 claims
  4. Clonazepam13 claims
  5. Mirtazapine12 claims
  6. Sertraline Hcl12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Intermed PAPortland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Renee T. Witlen among 326 psychiatry physician records in Maine

Renee T. Witlen, MD is one of 326 psychiatry physician records with a practice address in Maine. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 70% of them.

  • NPI issued2010 · 70% of these records are older, 26% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated2010 · median 2003 among the 142 with a school on file
  • Record last updated2026 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

93 psychiatry physician records list a practice address in Portland

They are 93 of the 6,022 NPPES records with a practice address in Portland, and 326 psychiatry physician records in Maine.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Ronald Bailyn, MDPortland, ME 041011699772772
  2. Jeffrey Barkin, M.D.Portland, ME 041011457391989
  3. Linda Cunning, D.O., M.P.H.Portland, ME 041011558392142
  4. George Dreher, MDPortland, ME 041011396759080
  5. Daniel Filene, MDPortland, ME 041011124009527
  6. Bernard Gordon, MDPortland, ME 041011609980515
  7. Catherine Jakubowitch, M.D.Portland, ME 041011891804415
  8. Angela Liess, MDPortland, ME 041011366554339

Common questions

What is Renee T. Witlen, MD's NPI number?

Renee T. Witlen, MD's National Provider Identifier (NPI) is 1265757009, issued on Apr 5, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Renee T. Witlen, MD located?

The NPPES record lists a practice address at 84 Marginal Way, Portland, ME, 04101. Phone: (207) 774-5816. Providers update this record themselves, so call before visiting.

How can I verify Renee T. Witlen, MD's license?

NPPES lists Maine license number MD20944, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Renee T. Witlen, MD prescribe under Medicare Part D?

In 2024, Renee T. Witlen, MD had 160 Medicare Part D claims for 49 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.