Ryan Lok, D.O
NPI 1851771786 · Pulmonary Disease Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Lok, D.O is a Pulmonary Disease Physician provider in Indianapolis, IN (NPI 1851771786).
Provider details
- NPI number
- 1851771786
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
- License
- 02008003A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 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
742 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 | 203 | $119 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 98 | $74 |
| Critical Care, First 30-74 Minutes99291 | 80 | $199 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 66 | $51 |
| Test to Determine Lung Volumes Using Sensors94726 | 55 | $49 |
| Test to Measure Expiratory Airflow and Volume94010 | 41 | $25 |
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 |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 258 | 64 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 162 | 55 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 87 | 23 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 69 | 16 |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 38 | — |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 38 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,199 across 53 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
- 2015-06-05
- Last updated
- 2025-05-01
- Certified
- 2025-05-01
Frequently asked questions
- What is Ryan Lok's NPI number?
- Ryan Lok's National Provider Identifier (NPI) is 1851771786, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Lok's specialty?
- Ryan Lok is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Lok located?
- Ryan Lok's practice location on file with NPPES is 1400 N Ritter Ave Ste 375, Indianapolis, IN 46219-3049.
- What is Ryan Lok's phone number?
- The practice phone number listed in the NPPES registry for Ryan Lok is (317) 355-1411.
- Does Ryan Lok accept Medicare?
- Ryan Lok is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Lok's NPI active?
- Yes — Ryan Lok's NPI (1851771786) is active in the NPPES registry as of the last update on 2025-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.