John Affronti, M.D.
NPI 1023020872 · Gastroenterology Physician · Lutherville, MD
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Affronti, M.D. is a Gastroenterology Physician provider in Lutherville, MD (NPI 1023020872).
Provider details
- NPI number
- 1023020872
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036119151 (IL)
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
240 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 53 | $80 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 47 | $118 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 35 | $85 |
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43235 | 32 | $116 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 24 | $135 |
Practice location
Mailing address
Additional practice locations (1)
- 1120 15th StAugusta, GA 30912-0004Phone: (706) 724-6100
Registry dates
- Enumerated
- 2006-08-12
- Last updated
- 2022-02-28
- Certified
- 2022-02-16
Frequently asked questions
- What is John Affronti's NPI number?
- John Affronti's National Provider Identifier (NPI) is 1023020872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Affronti's specialty?
- John Affronti is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Affronti located?
- John Affronti's practice location on file with NPPES is 10803 Falls Road, Lutherville, MD 21093-4502.
- What is John Affronti's phone number?
- The practice phone number listed in the NPPES registry for John Affronti is (410) 616-7650.
- Does John Affronti accept Medicare?
- John Affronti is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Affronti's NPI active?
- Yes — John Affronti's NPI (1023020872) is active in the NPPES registry as of the last update on 2022-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.