Kian Keyashian, M.D.
NPI 1215055140 · Gastroenterology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kian Keyashian, M.D. is a Gastroenterology Physician provider in Stanford, CA (NPI 1215055140).
Provider details
- NPI number
- 1215055140
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD159851 (OR)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
696 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 | 217 | $139 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 129 | $170 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 83 | $103 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 77 | $158 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 50 | $126 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 116 | 116 |
| Omeprazole | 79 | 32 |
| Mesalamine | 70 | 18 |
| Famotidine | 55 | 18 |
| Linaclotidebrand: Linzess | 39 | 12 |
| Pantoprazole Sodium | 39 | 14 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$336 across 4 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 (1)
- 3181 Sw Sam Jackson Park RdPortland, OR 97239-3011Phone: (415) 307-0815
Registry dates
- Enumerated
- 2007-03-27
- Last updated
- 2024-04-25
- Certified
- 2024-04-25
Frequently asked questions
- What is Kian Keyashian's NPI number?
- Kian Keyashian's National Provider Identifier (NPI) is 1215055140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kian Keyashian's specialty?
- Kian Keyashian is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Kian Keyashian located?
- Kian Keyashian's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Kian Keyashian's phone number?
- The practice phone number listed in the NPPES registry for Kian Keyashian is (650) 723-4000.
- Does Kian Keyashian accept Medicare?
- Kian Keyashian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kian Keyashian's NPI active?
- Yes — Kian Keyashian's NPI (1215055140) is active in the NPPES registry as of the last update on 2024-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.