Hiram Palmer, M.D.
NPI 1134228828 · Specialist · Los Angeles, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hiram Palmer, M.D. is a Specialist provider in Los Angeles, CA (NPI 1134228828).
Provider details
- NPI number
- 1134228828
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G45372 (CA)
Specialties & taxonomies
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,555 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 637 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 321 | $129 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 164 | $129 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 101 | $125 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 77 | $66 |
| Programming of Dual Lead Pacemaker System93280 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 223 | 80 |
| Atorvastatin Calcium | 131 | 47 |
| Losartan Potassium | 116 | 35 |
| Empagliflozinbrand: Jardiance | 98 | 32 |
| Nitroglycerin | 92 | 61 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 91 | 24 |
| Apixaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$244 across 9 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
- 2006-09-21
- Last updated
- 2020-01-07
- Certified
- 2020-01-07
Frequently asked questions
- What is Hiram Palmer's NPI number?
- Hiram Palmer's National Provider Identifier (NPI) is 1134228828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hiram Palmer's specialty?
- Hiram Palmer is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Hiram Palmer located?
- Hiram Palmer's practice location on file with NPPES is 1701 E Cesar E Chavez Ave, Los Angeles, CA 90033-2464.
- What is Hiram Palmer's phone number?
- The practice phone number listed in the NPPES registry for Hiram Palmer is (323) 224-2040.
- Does Hiram Palmer accept Medicare?
- Hiram Palmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hiram Palmer's NPI active?
- Yes — Hiram Palmer's NPI (1134228828) is active in the NPPES registry as of the last update on 2020-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.