Registry data as of Aug 27, 2026

Lauren Bleich, MD/MPH

Gastroenterology Physician · Acton, MA

Lauren Bleich, MD/MPH is a gastroenterology physician with a practice address in Acton, Massachusetts, and NPI 1083882989, issued on Feb 13, 2008. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1083882989
Name
Lauren Bleich
Credential
MD/MPH
Primary taxonomy
Gastroenterology Physician 207RG0100X
Practice location
45B Discovery Way, Acton, MA 01720
Phone
(978) 429-2010
Enumerated
Feb 13, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 45B Discovery Way

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

  1. Leah Creahan, MDGastroenterology Physician1629500921
  2. Raj Devarajan, MDGastroenterology Physician1508926668
  3. Christina Dunn, NPRegistered Nurse1184296485
  4. Gail Herzig, MDGastroenterology Physician1689608440
  5. Jennifer Hunter, MPH, RD, LDNRegistered Dietitian1548849326
  6. Ann Joyce, MDInternal Medicine Physician1447248042

Verify Lauren Bleich in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck 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 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.

43% fewer Medicare Part D claims than the average gastroenterology physician in 2024

487 Medicare Part D claims for 205 beneficiaries, against an average of 848 among the 13,066 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Lauren Bleich487
  2. Specialty average848

Most prescribed

  1. Omeprazole109 claims
  2. Ondansetron Hcl91 claims
  3. Famotidine44 claims
  4. Pantoprazole Sodium31 claims
  5. Sutab26 claims
  6. Stelara21 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.

Industry payments in 2024: $3,513.22

131 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 10,593 providers of this specialty with any payment received $4,948.62 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lauren Bleich$3,513.22
  2. Specialty average$4,948.62

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Middlesex Gastroenterolgy PCActon, MA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

6 gastroenterology physician records list a Acton practice address

They are 6 of the 556 NPPES records with a Acton practice address, and 538 gastroenterology physician records in Massachusetts.

Other gastroenterology physician records in Massachusetts

  1. Robert Aaron, MDStoneham, MA1962694323
  2. Michael Aaronson, MDBeverly, MA1366547739
  3. Diane Abraczinskas, MDBoston, MA1811988488
  4. Lynne Ahn, MDFramingham, MA1144269143
  5. Hiroyuki Aihara, M.D.Boston, MA1619395795
  6. Mona AkbariSouth Weymouth, MA1871720037
  7. Geetanjali Akerkar, M.D.Chelmsford, MA1144289166
  8. Harmony Allison, MDBoston, MA1245240704
  9. Ali Amini, MDMilford, MA1962502997
  10. Curuchi Anand, M.D., MRCP (V.K)Worcester, MA1336111731

Common questions

What is Lauren Bleich, MD/MPH's NPI number?

Lauren Bleich, MD/MPH's National Provider Identifier (NPI) is 1083882989, issued on Feb 13, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Lauren Bleich, MD/MPH located?

The NPPES record lists a practice address at 45B Discovery Way, Acton, MA, 01720. Phone: (978) 429-2010. Providers update this record themselves, so call before visiting.

How can I verify Lauren Bleich, MD/MPH's license?

Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Lauren Bleich, MD/MPH prescribe under Medicare Part D?

In 2024, Lauren Bleich, MD/MPH had 487 Medicare Part D claims for 205 beneficiaries; the average among gastroenterology physician prescribers was 848. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.