Ellen Stein, M.D.
NPI 1053521450 · Gastroenterology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Stein, M.D. is a Gastroenterology Physician provider in Baltimore, MD (NPI 1053521450).
Provider details
- NPI number
- 1053521450
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 238350 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
496 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 98 | $132 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 67 | $83 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 55 | $100 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 52 | $136 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 42 | $103 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes |
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 |
|---|---|---|
| Famotidine | 130 | 32 |
| Omeprazole | 95 | 40 |
| Pantoprazole Sodium | 81 | 21 |
| Linaclotidebrand: Linzess | 39 | 12 |
| Esomeprazole Magnesium | 18 | — |
| Ondansetron Hcl | 17 | — |
| Plecanatidebrand: Trulance | 16 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$138 across 2 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
- 2007-05-23
- Last updated
- 2013-02-19
Frequently asked questions
- What is Ellen Stein's NPI number?
- Ellen Stein's National Provider Identifier (NPI) is 1053521450, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Stein's specialty?
- Ellen Stein is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Stein located?
- Ellen Stein's practice location on file with NPPES is 600 N Wolfe St, Baltimore, MD 21287-0005.
- What is Ellen Stein's phone number?
- The practice phone number listed in the NPPES registry for Ellen Stein is (410) 614-6708.
- Does Ellen Stein accept Medicare?
- Ellen Stein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Stein's NPI active?
- Yes — Ellen Stein's NPI (1053521450) is active in the NPPES registry as of the last update on 2013-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.