Jonathan Fenkel, MD
NPI 1811031222 · Gastroenterology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Fenkel, MD is a Gastroenterology Physician provider in Philadelphia, PA (NPI 1811031222).
Provider details
- NPI number
- 1811031222
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA08540400 (NJ)
Specialties & taxonomies
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
500 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 | 114 | $98 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 111 | $80 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 84 | $125 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 32 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 30 | $85 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rifaximinbrand: Xifaxan | 287 | 42 |
| Ursodiol | 212 | 54 |
| Tenofovir Alafenamidebrand: Vemlidy | 181 | 25 |
| Tacrolimus | 178 | 45 |
| Pantoprazole Sodium | 120 | 37 |
| Spironolactone | 91 | 31 |
| Entecavir | 80 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23,554 across 15 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
- 2007-02-18
- Last updated
- 2024-10-28
- Certified
- 2024-10-28
Frequently asked questions
- What is Jonathan Fenkel's NPI number?
- Jonathan Fenkel's National Provider Identifier (NPI) is 1811031222, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Fenkel's specialty?
- Jonathan Fenkel is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Fenkel located?
- Jonathan Fenkel's practice location on file with NPPES is 1101 Chestnut St, Philadelphia, PA 19107-3612.
- What is Jonathan Fenkel's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Fenkel is (215) 955-8900.
- Does Jonathan Fenkel accept Medicare?
- Jonathan Fenkel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Fenkel's NPI active?
- Yes — Jonathan Fenkel's NPI (1811031222) is active in the NPPES registry as of the last update on 2024-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.