Jeremy Janssen, M.D.
NPI 1255414371 · Family Medicine Physician · Gaithersburg, MD
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeremy Janssen, M.D. is a Family Medicine Physician provider in Gaithersburg, MD (NPI 1255414371).
Provider details
- NPI number
- 1255414371
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0057305 (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
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
1,488 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 | 665 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 233 | $84 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 134 | $135 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 107 | $15 |
| Administration of Vaccine90471 | 82 | $22 |
| Limited Ultrasound Scan Behind Abdominal Cavity76775 |
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 |
|---|---|---|
| Atorvastatin Calcium | 54 | 22 |
| Amlodipine Besylate | 23 | — |
| Losartan Potassium | 23 | — |
| Levothyroxine Sodium | 17 | — |
| Pantoprazole Sodium | 14 | — |
| Sertraline Hcl | 14 | — |
| Allopurinol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$522 across 23 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
- 2006-10-23
- Last updated
- 2018-01-10
Frequently asked questions
- What is Jeremy Janssen's NPI number?
- Jeremy Janssen's National Provider Identifier (NPI) is 1255414371, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeremy Janssen's specialty?
- Jeremy Janssen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jeremy Janssen located?
- Jeremy Janssen's practice location on file with NPPES is 7 Granite Place, Gaithersburg, MD 20878-6607.
- What is Jeremy Janssen's phone number?
- The practice phone number listed in the NPPES registry for Jeremy Janssen is (240) 631-1170.
- Does Jeremy Janssen accept Medicare?
- Jeremy Janssen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeremy Janssen's NPI active?
- Yes — Jeremy Janssen's NPI (1255414371) is active in the NPPES registry as of the last update on 2018-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.