Mark Klein, MD
NPI 1093718165 · Pulmonary Disease Physician · Salinas, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Klein, MD is a Pulmonary Disease Physician provider in Salinas, CA (NPI 1093718165).
Provider details
- NPI number
- 1093718165
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G22851 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 39 | 18 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 31 | 16 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 28 | 13 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 27 | — |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 24 | — |
| Roflumilast | 17 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-05-23
- Last updated
- 2014-06-06
Frequently asked questions
- What is Mark Klein's NPI number?
- Mark Klein's National Provider Identifier (NPI) is 1093718165, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Klein's specialty?
- Mark Klein is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Klein located?
- Mark Klein's practice location on file with NPPES is 1033 Los Palos Dr, Salinas, CA 93901-3916.
- What is Mark Klein's phone number?
- The practice phone number listed in the NPPES registry for Mark Klein is (831) 757-2058.
- Does Mark Klein accept Medicare?
- Mark Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Klein's NPI active?
- Yes — Mark Klein's NPI (1093718165) is active in the NPPES registry as of the last update on 2014-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.