Gary Feigenbaum, MD
NPI 1558604256 · Hospitalist Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Feigenbaum, MD is a Hospitalist Physician provider in Santa Monica, CA (NPI 1558604256).
Provider details
- NPI number
- 1558604256
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A133392 (CA)
Specialties & taxonomies
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
13 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
1,017 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) |
|---|---|---|
| Ultrasonic Guidance for Blood Vessel Access76937 | 248 | $14 |
| Insertion of Needle Into Vein (3 Years Or Older)36410 | 232 | $9 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 159 | $120 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 95 | $85 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 64 | $82 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 59 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-04-01
- Last updated
- 2017-02-21
Frequently asked questions
- What is Gary Feigenbaum's NPI number?
- Gary Feigenbaum's National Provider Identifier (NPI) is 1558604256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Feigenbaum's specialty?
- Gary Feigenbaum is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Feigenbaum located?
- Gary Feigenbaum's practice location on file with NPPES is 1250 16th St, Santa Monica, CA 90404-1249.
- What is Gary Feigenbaum's phone number?
- The practice phone number listed in the NPPES registry for Gary Feigenbaum is (310) 319-4698.
- Does Gary Feigenbaum accept Medicare?
- Gary Feigenbaum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Feigenbaum's NPI active?
- Yes — Gary Feigenbaum's NPI (1558604256) is active in the NPPES registry as of the last update on 2017-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.