Joseph Malhis, DO
NPI 1124581830 · Internal Medicine Physician · Whittier, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Malhis, DO is a Internal Medicine Physician provider in Whittier, CA (NPI 1124581830).
Provider details
- NPI number
- 1124581830
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20179 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
429 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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 267 | $81 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 99 | $119 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 63 | $135 |
Typical Medicare-allowed amounts for these services range $81–$135 (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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 26 | 26 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 21 | 20 |
| Apixabanbrand: Eliquis | 19 | 13 |
| Vancomycin Hcl | 16 | — |
| Metoprolol Tartrate | 16 | 13 |
| Carvedilol | 16 | 14 |
| Cefuroxime Axetilbrand: Cefuroxime | 16 |
Practice location
Mailing address
Additional practice locations (1)
- 1125 N College Ave # Slot100Fayetteville, AR 72703-1908Phone: (479) 713-8310
Registry dates
- Enumerated
- 2019-04-09
- Last updated
- 2022-08-25
- Certified
- 2022-08-25
Frequently asked questions
- What is Joseph Malhis's NPI number?
- Joseph Malhis's National Provider Identifier (NPI) is 1124581830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Malhis's specialty?
- Joseph Malhis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Malhis located?
- Joseph Malhis's practice location on file with NPPES is 12401 Washington Blvd, Whittier, CA 90602-1006.
- What is Joseph Malhis's phone number?
- The practice phone number listed in the NPPES registry for Joseph Malhis is (562) 698-0811.
- Does Joseph Malhis accept Medicare?
- Joseph Malhis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Malhis's NPI active?
- Yes — Joseph Malhis's NPI (1124581830) is active in the NPPES registry as of the last update on 2022-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.