Ariel David Otero, M.D.
Psychiatry Physician · Cambridge, MA
Ariel David Otero, M.D. is a psychiatry physician with a practice address in Cambridge, Massachusetts, and NPI 1295953867, issued on Apr 20, 2007. Check the license (Massachusetts 236229, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ariel David Otero
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 236229 MA
Self-reported in NPPES; status is on the state search - Practice location
- 205 Walden St, Cambridge, MA 02140
- Phone
- (617) 388-7304
- Enumerated
- Apr 20, 2007
- Record last updated
- Aug 3, 2022
- Medicare enrollment
- Enrolled (PECOS I20081223000676); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
Also registered at 205 Walden St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lee Varon, LICSWClinical Social Worker1427593342
Verify Ariel David Otero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 236229Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average psychiatry physician in 2024
47 Medicare Part D claims for 17 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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
- Cambridge Public Health CommissionEverett, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ariel David Otero among 2,736 psychiatry physician records in Massachusetts
Ariel David Otero, M.D. is one of 2,736 psychiatry physician records with a practice address in Massachusetts. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.
- NPI issued2007 · 49% of these records are older, 37% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2005 · median 2005 among the 1,219 with a school on file
- Record last updated2022 · 62% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
213 psychiatry physician records list a practice address in Cambridge
They are 213 of the 5,145 NPPES records with a practice address in Cambridge, and 2,736 psychiatry physician records in Massachusetts.
All 2,736 in Massachusetts → Every provider in Cambridge → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- David Anick, M.D.Cambridge, MA 021401306952262
- James Beck, MD PHDCambridge, MA 021401437123130
- Toni Cleaver, M.D.Cambridge, MA 021401699803742
- Catline Jacques, M.D.Cambridge, MA 021401760703391
- Arthi Kumaravel, MDCambridge, MA 021401649701103
- Jacqueline Olds, MDCambridge, MA 021401336139054
- Richard Schwartz, M.D.Cambridge, MA 021401902847502
- Chris Babbage, M.D.Cambridge, MA 021411134350481
Common questions
What is Ariel David Otero, M.D.'s NPI number?
Ariel David Otero, M.D.'s National Provider Identifier (NPI) is 1295953867, issued on Apr 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ariel David Otero, M.D. located?
The NPPES record lists a practice address at 205 Walden St, Cambridge, MA, 02140. Phone: (617) 388-7304. Providers update this record themselves, so call before visiting.
How can I verify Ariel David Otero, M.D.'s license?
NPPES lists Massachusetts license number 236229, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ariel David Otero, M.D. prescribe under Medicare Part D?
In 2024, Ariel David Otero, M.D. had 47 Medicare Part D claims for 17 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.