Ramin Khashayar, MD
NPI 1003801358 · Critical Care Medicine (Internal Medicine) Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ramin Khashayar, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Walnut Creek, CA (NPI 1003801358).
Provider details
- NPI number
- 1003801358
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G077458 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,893 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 | 762 | $143 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 514 | $132 |
| Critical Care, First 30-74 Minutes99291 | 420 | $238 |
| Sleep Study Including Heart Rate, Breathing, and Sleep Time95800 | 312 | $173 |
| Test for Exercise-Induced Lung Stress94618 | 225 | $43 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 223 | $79 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 466 | 96 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 305 | 119 |
| Azithromycin | 134 | 79 |
| Montelukast Sodium | 122 | 30 |
| Prednisone | 119 | 85 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 116 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,107 across 23 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
Registry dates
- Enumerated
- 2005-09-13
- Last updated
- 2013-07-08
Frequently asked questions
- What is Ramin Khashayar's NPI number?
- Ramin Khashayar's National Provider Identifier (NPI) is 1003801358, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ramin Khashayar's specialty?
- Ramin Khashayar is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Ramin Khashayar located?
- Ramin Khashayar's practice location on file with NPPES is 1399 Ygnacio Valley Rd, Walnut Creek, CA 94598-2884.
- What is Ramin Khashayar's phone number?
- The practice phone number listed in the NPPES registry for Ramin Khashayar is (925) 939-3050.
- Does Ramin Khashayar accept Medicare?
- Ramin Khashayar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ramin Khashayar's NPI active?
- Yes — Ramin Khashayar's NPI (1003801358) is active in the NPPES registry as of the last update on 2013-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.