Karl Gebhard, M.D.
NPI 1548266018 · Family Medicine Physician · Mission Viejo, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Gebhard, M.D. is a Family Medicine Physician provider in Mission Viejo, CA (NPI 1548266018).
Provider details
- NPI number
- 1548266018
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G80567 (CA)
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
21 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
1,084 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 | 435 | $138 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 127 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 120 | $98 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 77 | $140 |
| Physician Or Allowed Practitioner Supervision of a Patient Receiving Medicare-Covered Services Provided By a Participating Home Health Agency (patient Not Present) Requiring Complex and Multidisciplinary Care Modalities Involving Regular Physician Or AllowG0181 | 50 | $112 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 185 | 67 |
| Amlodipine Besylate | 112 | 43 |
| Levothyroxine Sodium | 95 | 39 |
| Lisinopril | 93 | 36 |
| Losartan Potassium | 77 | 28 |
| Metformin Hcl | 66 | 27 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$753 across 27 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
- 2005-06-21
- Last updated
- 2016-06-02
Frequently asked questions
- What is Karl Gebhard's NPI number?
- Karl Gebhard's National Provider Identifier (NPI) is 1548266018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Gebhard's specialty?
- Karl Gebhard is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Gebhard located?
- Karl Gebhard's practice location on file with NPPES is 26922 Oso Pkwy, Mission Viejo, CA 92691-5800.
- What is Karl Gebhard's phone number?
- The practice phone number listed in the NPPES registry for Karl Gebhard is (949) 305-0110.
- Does Karl Gebhard accept Medicare?
- Karl Gebhard is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Gebhard's NPI active?
- Yes — Karl Gebhard's NPI (1548266018) is active in the NPPES registry as of the last update on 2016-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.