Robert Katzer, M.D.
NPI 1467612580 · Emergency Medicine Physician · Orange, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Katzer, M.D. is a Emergency Medicine Physician provider in Orange, CA (NPI 1467612580).
Provider details
- NPI number
- 1467612580
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A116544 (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
18 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
496 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 130 | $176 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 70 | $121 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 61 | $120 |
| Critical Care, First 30-74 Minutes99291 | 51 | $217 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 40 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 40 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 16 | 15 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 14 | 13 |
| Azithromycin | 14 | 14 |
| Cefdinir | 13 | 13 |
| Ondansetronbrand: Ondansetron Odt | 13 | 13 |
| Methocarbamol | 12 | 12 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 11 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-12
- Last updated
- 2011-06-13
Frequently asked questions
- What is Robert Katzer's NPI number?
- Robert Katzer's National Provider Identifier (NPI) is 1467612580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Katzer's specialty?
- Robert Katzer is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Katzer located?
- Robert Katzer's practice location on file with NPPES is 101 the City Dr S Bldg 1a, Orange, CA 92868-3201.
- What is Robert Katzer's phone number?
- The practice phone number listed in the NPPES registry for Robert Katzer is (510) 910-6981.
- Does Robert Katzer accept Medicare?
- Robert Katzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Katzer's NPI active?
- Yes — Robert Katzer's NPI (1467612580) is active in the NPPES registry as of the last update on 2011-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.