Lauren Bleich, MD/MPH
NPI 1083882989 · Gastroenterology Physician · Acton, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lauren Bleich, MD/MPH is a Gastroenterology Physician provider in Acton, MA (NPI 1083882989).
Provider details
- NPI number
- 1083882989
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD/MPH
- Sex
- Female
- Sole proprietor
- No
- License
- 16572 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
439 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 138 | $96 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 63 | $139 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 54 | $82 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 45 | $132 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $135 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 109 | 49 |
| Ondansetron Hcl | 91 | 87 |
| Famotidine | 44 | 18 |
| Pantoprazole Sodium | 31 | 11 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 26 | 25 |
| Ustekinumabbrand: Stelara | 21 | — |
| Sucralfate | 21 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,513 across 131 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-02-13
- Last updated
- 2016-07-14
Frequently asked questions
- What is Lauren Bleich's NPI number?
- Lauren Bleich's National Provider Identifier (NPI) is 1083882989, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lauren Bleich's specialty?
- Lauren Bleich is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Lauren Bleich located?
- Lauren Bleich's practice location on file with NPPES is 45b Discovery Way, Acton, MA 01720-4482.
- What is Lauren Bleich's phone number?
- The practice phone number listed in the NPPES registry for Lauren Bleich is (978) 429-2010.
- Does Lauren Bleich accept Medicare?
- Lauren Bleich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lauren Bleich's NPI active?
- Yes — Lauren Bleich's NPI (1083882989) is active in the NPPES registry as of the last update on 2016-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.