Aruna Jayaraman, M.D., M.H.S.
NPI 1306817903 · Gastroenterology Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aruna Jayaraman, M.D., M.H.S. is a Gastroenterology Physician provider in Santa Rosa, CA (NPI 1306817903).
Provider details
- NPI number
- 1306817903
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.H.S.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A90690 (CA)
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
120 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) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 34 | $103 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 31 | $259 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 20 | $92 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 19 | $139 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 16 | $195 |
Typical Medicare-allowed amounts for these services range $92–$259 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 176 | 78 |
| Omeprazole | 100 | 45 |
| Famotidine | 98 | 40 |
| Methotrexate Sodiumbrand: Methotrexate | 18 | — |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 15 | 15 |
| Ustekinumabbrand: Stelara | 14 | — |
| Dicyclomine Hcl | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$125 across 1 record (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 (1)
- 571 Matheson StHealdsburg, CA 95448-4236Phone: (707) 228-8803
Registry dates
- Enumerated
- 2006-01-31
- Last updated
- 2024-05-05
- Certified
- 2024-05-05
Frequently asked questions
- What is Aruna Jayaraman's NPI number?
- Aruna Jayaraman's National Provider Identifier (NPI) is 1306817903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aruna Jayaraman's specialty?
- Aruna Jayaraman is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Aruna Jayaraman located?
- Aruna Jayaraman's practice location on file with NPPES is 3975 Old Redwood Hwy, Santa Rosa, CA 95403-1719.
- What is Aruna Jayaraman's phone number?
- The practice phone number listed in the NPPES registry for Aruna Jayaraman is (707) 228-8803.
- Does Aruna Jayaraman accept Medicare?
- Aruna Jayaraman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aruna Jayaraman's NPI active?
- Yes — Aruna Jayaraman's NPI (1306817903) is active in the NPPES registry as of the last update on 2024-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.