Raquel Lyn, M.D.
NPI 1023437530 · Pulmonary Disease Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Raquel Lyn, M.D. is a Pulmonary Disease Physician provider in Stanford, CA (NPI 1023437530).
Provider details
- NPI number
- 1023437530
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A156681 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 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
393 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 169 | $230 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 67 | $133 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 26 | $110 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 23 | $194 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 22 | $10 |
| Test to Measure Expiratory Airflow and Volume94010 | 21 | $9 |
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) |
|---|---|
| Macitentanbrand: Opsumit | 53 |
| Tadalafil | 53 |
| Spironolactone | 38 |
| Ambrisentan | 35 |
| Riociguatbrand: Adempas | 22 |
| Sildenafil Citrate | 21 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 15 |
| Selexipagbrand: Uptravi | 15 |
| Furosemide | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-11
- Last updated
- 2022-12-08
- Certified
- 2022-12-08
Frequently asked questions
- What is Raquel Lyn's NPI number?
- Raquel Lyn's National Provider Identifier (NPI) is 1023437530, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Raquel Lyn's specialty?
- Raquel Lyn is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Raquel Lyn located?
- Raquel Lyn's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Raquel Lyn's phone number?
- The practice phone number listed in the NPPES registry for Raquel Lyn is (650) 723-4000.
- Does Raquel Lyn accept Medicare?
- Raquel Lyn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Raquel Lyn's NPI active?
- Yes — Raquel Lyn's NPI (1023437530) is active in the NPPES registry as of the last update on 2022-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.