Karl Peterson, M.D.
NPI 1912971615 · Family Medicine Physician · La Canada, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Peterson, M.D. is a Family Medicine Physician provider in La Canada, CA (NPI 1912971615).
Provider details
- NPI number
- 1912971615
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G80642 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
245 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 79 | $99 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 46 | $62 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 46 | $21 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 45 | $140 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 17 | $62 |
| Administration of Influenza Virus VaccineG0008 | 12 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 103 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 407 | 128 |
| Amlodipine Besylate | 332 | 92 |
| Levothyroxine Sodium | 251 | 58 |
| Metoprolol Succinate | 226 | 57 |
| Rosuvastatin Calcium | 189 | 61 |
| Metformin Hcl | 168 | 55 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-17
- Last updated
- 2026-01-05
- Certified
- 2026-01-05
Frequently asked questions
- What is Karl Peterson's NPI number?
- Karl Peterson's National Provider Identifier (NPI) is 1912971615, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Peterson's specialty?
- Karl Peterson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Peterson located?
- Karl Peterson's practice location on file with NPPES is 2200 Foothill Blvd, La Canada, CA 91011-1413.
- What is Karl Peterson's phone number?
- The practice phone number listed in the NPPES registry for Karl Peterson is (818) 790-1103.
- Does Karl Peterson accept Medicare?
- Karl Peterson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Peterson's NPI active?
- Yes — Karl Peterson's NPI (1912971615) is active in the NPPES registry as of the last update on 2026-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.