NPPES file of Aug 9, 2026

Hallie Geller, MD

Student in an Organized Health Care Education/Training Program · Worcester, MA

Hallie Geller, MD is a student in an organized health care education/training program with a practice address in Worcester, Massachusetts, and NPI 1134860273, issued on Apr 5, 2022. Check the license (Massachusetts 1019892, as entered in NPPES) with the Massachusetts board that licenses this profession; 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
1134860273
Name
Hallie Geller
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
License number
1019892 MA
Self-reported in NPPES; status is on the state search
Practice location
100 Century Dr, Worcester, MA 01606
Phone
(508) 334-1000
Enumerated
Apr 5, 2022
Record last updated
Oct 13, 2025
Medicare enrollment
Enrolled (PECOS I20250908000137); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 100 Century Dr

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

  1. Arun Abraham, MDStudent in an Organized Health Care Education/Training Program1417897414
  2. Bhavana Aitha, DOStudent in an Organized Health Care Education/Training Program1679323414
  3. Jason Alan, PSY.D.Clinical Psychologist1922742469
  4. Caroline Alper, M.D.Internal Medicine Physician1134228992
  5. Melissa Anderson, PH.D.Clinical Psychologist1043559099
  6. Kathryn Andersson, CNPPsychiatric/Mental Health Nurse Practitioner1811629843

Verify Hallie Geller in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 1019892
    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
Find the Massachusetts 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

53% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

87 Medicare Part D claims for 17 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.

  1. Hallie Geller87
  2. Specialty average185

Most prescribed

  1. Divalproex Sodium12 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. Signature Healthcare Medical Group IncBrockton, MA

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

Hallie Geller among 11,235 student in an organized health care education/training program records in Massachusetts

Hallie Geller, MD is one of 11,235 student in an organized health care education/training program records with a practice address in Massachusetts. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 32% of them.

  • NPI issued2022 · 32% of these records are older, 60% newer
  • In a Medicare fileYes · 26% of these records are
  • In the CMS Doctors and Clinicians fileYes · 4% of these records are
  • Graduated2022 · median 2019 among the 442 with a school on file
  • Record last updated2025 · 27% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,031 student in an organized health care education/training program records list a practice address in Worcester

They are 1,031 of the 13,166 NPPES records with a practice address in Worcester, and 11,235 student in an organized health care education/training program records in Massachusetts.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Ines Basten, MDWorcester, MA 016061154884963
  2. Courtney BurdenWorcester, MA 016061972990158
  3. Adrian Fanucci-Kiss, MDWorcester, MA 016061730829300
  4. Elysia Hall, BAWorcester, MA 016061881388601
  5. Alexa HoobermanWorcester, MA 016061609526169
  6. Kristen Jorgenson, MD, MSWorcester, MA 016061316640535
  7. Dalton Mourao, MDWorcester, MA 016061033812003
  8. Maryam Omran, MDWorcester, MA 016061235833385

Common questions

What is Hallie Geller, MD's NPI number?

Hallie Geller, MD's National Provider Identifier (NPI) is 1134860273, issued on Apr 5, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Hallie Geller, MD located?

The NPPES record lists a practice address at 100 Century Dr, Worcester, MA, 01606. Phone: (508) 334-1000. Providers update this record themselves, so call before visiting.

How can I verify Hallie Geller, MD's license?

NPPES lists Massachusetts license number 1019892, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Hallie Geller, MD prescribe under Medicare Part D?

In 2024, Hallie Geller, MD had 87 Medicare Part D claims for 17 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.