Christopher Rombaoa, M.D.
NPI 1225457211 · Gastroenterology Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Rombaoa, M.D. is a Gastroenterology Physician provider in San Jose, CA (NPI 1225457211).
Provider details
- NPI number
- 1225457211
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
513 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 120 | $214 |
| 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 | 108 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 79 | $152 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 48 | $132 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 30 | $128 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 86 | 84 |
| Rabeprazole Sodium | 76 | 21 |
| Omeprazole | 70 | 31 |
| Linaclotidebrand: Linzess | 47 | 16 |
| Famotidine | 39 | 14 |
| Sucralfate | 36 | 13 |
| Dicyclomine Hcl | 21 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,253 across 38 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
Additional practice locations (2)
- 1100 Van Ness AveSan Francisco, CA 94109-6978Phone: (415) 600-4025Fax: (415) 375-4838
- 3838 California StSan Francisco, CA 94118-1522Phone: (415) 450-9666Fax: (415) 387-2940
Registry dates
- Enumerated
- 2014-04-07
- Last updated
- 2021-10-22
- Certified
- 2021-10-22
Frequently asked questions
- What is Christopher Rombaoa's NPI number?
- Christopher Rombaoa's National Provider Identifier (NPI) is 1225457211, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Rombaoa's specialty?
- Christopher Rombaoa is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Rombaoa located?
- Christopher Rombaoa's practice location on file with NPPES is 751 South Bascom Avenue, San Jose, CA 95128.
- What is Christopher Rombaoa's phone number?
- The practice phone number listed in the NPPES registry for Christopher Rombaoa is (619) 972-6910.
- Does Christopher Rombaoa accept Medicare?
- Christopher Rombaoa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Rombaoa's NPI active?
- Yes — Christopher Rombaoa's NPI (1225457211) is active in the NPPES registry as of the last update on 2021-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.