Karl Steinberg, MD
NPI 1144248915 · Geriatric Medicine (Family Medicine) Physician · Oceanside, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Steinberg, MD is a Geriatric Medicine (Family Medicine) Physician provider in Oceanside, CA (NPI 1144248915).
Provider details
- NPI number
- 1144248915
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A45736 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
125 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 82 | $78 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 43 | $112 |
Typical Medicare-allowed amounts for these services range $78–$112 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 166 | 12 |
| Atorvastatin Calcium | 137 | 18 |
| Gabapentin | 130 | 16 |
| Levothyroxine Sodium | 109 | — |
| Amlodipine Besylate | 104 | 11 |
| Furosemide | 82 | — |
| Mirtazapine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2012-09-24
Frequently asked questions
- What is Karl Steinberg's NPI number?
- Karl Steinberg's National Provider Identifier (NPI) is 1144248915, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Steinberg's specialty?
- Karl Steinberg is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Steinberg located?
- Karl Steinberg's practice location on file with NPPES is 3608 Napa Ct, Oceanside, CA 92056-5461.
- What is Karl Steinberg's phone number?
- The practice phone number listed in the NPPES registry for Karl Steinberg is (760) 473-8253.
- Does Karl Steinberg accept Medicare?
- Karl Steinberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Steinberg's NPI active?
- Yes — Karl Steinberg's NPI (1144248915) is active in the NPPES registry as of the last update on 2012-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.