Lori Allison Zimmerman, MD
Pediatric Gastroenterology Physician · Boston, MA
Lori Allison Zimmerman, MD is a pediatric gastroenterology physician with a practice address in Boston, Massachusetts, and NPI 1932236387, issued on Feb 27, 2007. Check the license (Massachusetts 238917, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Lori Allison Zimmerman
- Credential
- MD
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License numbers
- 238917 MA
L-228692 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Longwood Avenue, Boston, MA 02115
- Phone
- (617) 355-6058
- Enumerated
- Feb 27, 2007
- Record last updated
- Apr 28, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (617) 730-0496
- Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 135 in Massachusetts → Look up another NPI →
Also registered at 300 Longwood Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nadine AprahamianPediatrics Physician1033324207
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Verify Lori Allison Zimmerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 238917Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average pediatric gastroenterology physician in 2024
26 Medicare Part D claims, against an average of 42 among the 289 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Dupixent Pen11 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.
Lori Allison Zimmerman among 135 pediatric gastroenterology physician records in Massachusetts
Lori Allison Zimmerman, MD is one of 135 pediatric gastroenterology physician records with a practice address in Massachusetts. 56% 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 35% of them.
- NPI issued2007 · 35% of these records are older, 56% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2015 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Gastroenterology Physician providers in Massachusetts
There are 135 pediatric gastroenterology physician records in Massachusetts.
All 135 in Massachusetts → Every provider in Boston → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- Elana Bern, MD, MPHBoston, MA 021151598785727
- Douglas Fishman, MDBoston, MA 021151912962168
- Laurie Fishman, MDBoston, MA 021151053324400
- Elizabeth Hait, M.D.Boston, MA 021151700803160
- Leslie Higuchi, MDBoston, MA 021151386657732
- Susanna Huh, MDBoston, MA 021151447263728
- Daniel Kamin, MDBoston, MA 021151770592511
- Wayne Lencer, MDBoston, MA 021151073541272
Common questions
What is Lori Allison Zimmerman, MD's NPI number?
Lori Allison Zimmerman, MD's National Provider Identifier (NPI) is 1932236387, issued on Feb 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lori Allison Zimmerman, MD located?
The NPPES record lists a practice address at 300 Longwood Avenue, Boston, MA, 02115. Phone: (617) 355-6058. Providers update this record themselves, so call before visiting.
How can I verify Lori Allison Zimmerman, MD's license?
NPPES lists Massachusetts license number 238917, 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 Lori Allison Zimmerman, MD prescribe under Medicare Part D?
In 2024, Lori Allison Zimmerman, MD had 26 Medicare Part D claims; the average among pediatric gastroenterology physician prescribers was 42. 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.