Joshua Rubin, M.D.
NPI 1255610416 · Gastroenterology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joshua Rubin, M.D. is a Gastroenterology Physician provider in San Diego, CA (NPI 1255610416).
Provider details
- NPI number
- 1255610416
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A120297 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
403 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 117 | $251 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 67 | $106 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 50 | $65 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 43 | $137 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 41 | $192 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 157 | 45 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 149 | 142 |
| Esomeprazole Magnesium | 94 | 24 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 76 | 75 |
| Pantoprazole Sodium | 64 | 16 |
| Linaclotidebrand: Linzess | 31 | 11 |
| Naloxegol Oxalate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-08-05
- Last updated
- 2022-07-21
Frequently asked questions
- What is Joshua Rubin's NPI number?
- Joshua Rubin's National Provider Identifier (NPI) is 1255610416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Rubin's specialty?
- Joshua Rubin is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Joshua Rubin located?
- Joshua Rubin's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is Joshua Rubin's phone number?
- The practice phone number listed in the NPPES registry for Joshua Rubin is (619) 543-2347.
- Does Joshua Rubin accept Medicare?
- Joshua Rubin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joshua Rubin's NPI active?
- Yes — Joshua Rubin's NPI (1255610416) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.