Jessica Elizabeth Isom, M.D.
Psychiatry Physician · Dorchester, MA
Jessica Elizabeth Isom, M.D. is a psychiatry physician with a practice address in Dorchester, Massachusetts, and NPI 1417334863, issued on May 5, 2015. Check the license (Massachusetts 278646, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jessica Elizabeth Isom
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 278646 MA
Self-reported in NPPES; status is on the state search - Practice location
- 637 Washington St, Dorchester, MA 02124
- Phone
- (617) 822-8271
- Enumerated
- May 5, 2015
- Record last updated
- Jul 24, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (617) 288-7898
- Medicare enrollment
- Enrolled (PECOS I20190903002388); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
Also registered at 637 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Avery, M.D.Psychiatry Physician1619040987
- Nnemdi Azubuko, CNPNurse Practitioner1689295750
- Nacef Bahri, DMDDentist1508430174
- Ian Bernhardt, LCSWClinical Social Worker1194202093
- Emmanuel Bouloute, NPNurse Practitioner1942608674
- Vanessa Cenat, RDHDental Hygienist1508659772
Verify Jessica Elizabeth Isom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 278646Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average psychiatry physician in 2024
1,264 Medicare Part D claims for 82 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Clozapine101 claims
- Clonazepam85 claims
- Lamotrigine62 claims
- Diazepam59 claims
- Aripiprazole52 claims
- Trazodone Hcl46 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
- Codman Square Health Center, IncDorchester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jessica Elizabeth Isom among 2,736 psychiatry physician records in Massachusetts
Jessica Elizabeth Isom, 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 2015, is newer than 78% of them.
- NPI issued2015 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2015 · median 2005 among the 1,219 with a school on file
- Record last updated2019 · 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).
Psychiatry Physician providers in Massachusetts
There are 2,736 psychiatry physician records in Massachusetts.
All 2,736 in Massachusetts → Every provider in Dorchester → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Lauren Avery, M.D.Dorchester, MA 021241619040987
- Percy Ballard, M.D.Dorchester Center, MA 021241902067424
- Scott Goetz, MDDorchester Center, MA 021241730163668
- Vivian Halfin, M.D.Dorchester Center, MA 021241154378842
- Jonathan Lieff, M.D.Dorchester Center, MA 021241699708461
- Sean Marker, MDDorchester Center, MA 021241104852011
- Alfredo Martija, M.D.Boston, MA 021241760440796
- Mustafa Syed, MDDorchester Center, MA 021241043317845
Common questions
What is Jessica Elizabeth Isom, M.D.'s NPI number?
Jessica Elizabeth Isom, M.D.'s National Provider Identifier (NPI) is 1417334863, issued on May 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Jessica Elizabeth Isom, M.D. located?
The NPPES record lists a practice address at 637 Washington St, Dorchester, MA, 02124. Phone: (617) 822-8271. Providers update this record themselves, so call before visiting.
How can I verify Jessica Elizabeth Isom, M.D.'s license?
NPPES lists Massachusetts license number 278646, 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 Jessica Elizabeth Isom, M.D. prescribe under Medicare Part D?
In 2024, Jessica Elizabeth Isom, M.D. had 1,264 Medicare Part D claims for 82 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.