Richard Lander, M.D.
NPI 1639242241 · Internal Medicine Physician · Calabasas, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Lander, M.D. is a Internal Medicine Physician provider in Calabasas, CA (NPI 1639242241).
Provider details
- NPI number
- 1639242241
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G70491 (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
19 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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Mirtazapine | 27 |
| Atorvastatin Calcium | 23 |
| Tramadol Hcl | 20 |
| Diltiazem Hclbrand: Diltiazem 24hr Er (cd) | 18 |
| Furosemide | 16 |
| Apixabanbrand: Eliquis | 15 |
| Trazodone Hcl | 15 |
| Levothyroxine Sodium | 14 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-15
- Last updated
- 2019-12-16
- Certified
- 2019-12-16
Frequently asked questions
- What is Richard Lander's NPI number?
- Richard Lander's National Provider Identifier (NPI) is 1639242241, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Lander's specialty?
- Richard Lander is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Lander located?
- Richard Lander's practice location on file with NPPES is 26585 Agoura Rd Ste 330, Calabasas, CA 91302-1958.
- What is Richard Lander's phone number?
- The practice phone number listed in the NPPES registry for Richard Lander is (818) 876-1050.
- Does Richard Lander accept Medicare?
- Richard Lander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Lander's NPI active?
- Yes — Richard Lander's NPI (1639242241) is active in the NPPES registry as of the last update on 2019-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.