Elizabeth John, M.D.
NPI 1346794815 · Gastroenterology Physician · Montville, NJ
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth John, M.D. is a Gastroenterology Physician provider in Montville, NJ (NPI 1346794815).
Provider details
- NPI number
- 1346794815
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA11610500 (NJ)
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
9 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
286 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 | 141 | $139 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 51 | $180 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 28 | $18 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 21 | $128 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 17 | $77 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 49 | 21 |
| Famotidine | 34 | 12 |
| Lipase/Protease/Amylasebrand: Creon | 19 | — |
| Rifaximinbrand: Xifaxan | 16 | — |
| Linaclotidebrand: Linzess | 13 | — |
| Peg3350/Sod Sul/Nacl/Kcl/Asb/Cbrand: Plenvu | 13 | 12 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$690 across 47 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
- 2016-08-12
- Last updated
- 2023-04-06
- Certified
- 2023-04-06
Frequently asked questions
- What is Elizabeth John's NPI number?
- Elizabeth John's National Provider Identifier (NPI) is 1346794815, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth John's specialty?
- Elizabeth John is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth John located?
- Elizabeth John's practice location on file with NPPES is 170 Changebridge Rd, Montville, NJ 07045-9115.
- What is Elizabeth John's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth John is (973) 884-3355.
- Does Elizabeth John accept Medicare?
- Elizabeth John is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth John's NPI active?
- Yes — Elizabeth John's NPI (1346794815) is active in the NPPES registry as of the last update on 2023-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.