Lawrence Grossman, MD
NPI 1477618270 · Gastroenterology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lawrence Grossman, MD is a Gastroenterology Physician provider in Philadelphia, PA (NPI 1477618270).
Provider details
- NPI number
- 1477618270
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD050925L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
688 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 184 | $79 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 83 | $93 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 63 | $132 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 61 | $114 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 52 | $159 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 135 | 39 |
| Famotidine | 105 | 51 |
| Omeprazole | 74 | 35 |
| Linaclotidebrand: Linzess | 30 | 11 |
| Dicyclomine Hcl | 20 | — |
| Ondansetronbrand: Ondansetron Odt | 13 | — |
| Mesalamine | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$72 across 4 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
- 2006-12-22
- Last updated
- 2013-02-01
Frequently asked questions
- What is Lawrence Grossman's NPI number?
- Lawrence Grossman's National Provider Identifier (NPI) is 1477618270, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lawrence Grossman's specialty?
- Lawrence Grossman is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Lawrence Grossman located?
- Lawrence Grossman's practice location on file with NPPES is 2000 Grant Ave, Philadelphia, PA 19115-4378.
- What is Lawrence Grossman's phone number?
- The practice phone number listed in the NPPES registry for Lawrence Grossman is (215) 333-1776.
- Does Lawrence Grossman accept Medicare?
- Lawrence Grossman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lawrence Grossman's NPI active?
- Yes — Lawrence Grossman's NPI (1477618270) is active in the NPPES registry as of the last update on 2013-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.