David Jager, M.D.
NPI 1689846842 · Gastroenterology Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Jager, M.D. is a Gastroenterology Physician provider in Rockville, MD (NPI 1689846842).
Provider details
- NPI number
- 1689846842
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0066888 (MD)
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
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
902 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 | 196 | $101 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 185 | $141 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 124 | $149 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 102 | $104 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 79 | $123 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 155 | 50 |
| Omeprazole | 75 | 31 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 65 | 64 |
| Famotidine | 62 | 22 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 62 | 58 |
| Linaclotidebrand: Linzess | 36 | — |
| Dexlansoprazolebrand: Dexlansoprazole Dr |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$682 across 36 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
- 2008-03-27
- Last updated
- 2008-03-27
Frequently asked questions
- What is David Jager's NPI number?
- David Jager's National Provider Identifier (NPI) is 1689846842, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Jager's specialty?
- David Jager is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is David Jager located?
- David Jager's practice location on file with NPPES is 14955 Shady Grove Rd, Rockville, MD 20850-8700.
- What is David Jager's phone number?
- The practice phone number listed in the NPPES registry for David Jager is (301) 340-3252.
- Does David Jager accept Medicare?
- David Jager is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Jager's NPI active?
- Yes — David Jager's NPI (1689846842) is active in the NPPES registry as of the last update on 2008-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.