Matthew Kollefrath, M.D.
NPI 1568998516 · Internal Medicine Physician · Beverly Hills, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Kollefrath, M.D. is a Internal Medicine Physician provider in Beverly Hills, CA (NPI 1568998516).
Provider details
- NPI number
- 1568998516
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A163289 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 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
112 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $137 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 24 | $9 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 15 | $8 |
| Liver Function Blood Test Panel80076 | 15 | $8 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 14 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 13 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 90 | 49 |
| Rosuvastatin Calcium | 57 | 33 |
| Amlodipine Besylate | 46 | 36 |
| Levothyroxine Sodium | 40 | 22 |
| Losartan Potassium | 27 | 15 |
| Carvedilol | 18 | — |
| Escitalopram Oxalate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$461 across 16 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
- 2017-05-11
- Last updated
- 2024-08-08
- Certified
- 2024-08-08
Frequently asked questions
- What is Matthew Kollefrath's NPI number?
- Matthew Kollefrath's National Provider Identifier (NPI) is 1568998516, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Kollefrath's specialty?
- Matthew Kollefrath is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Kollefrath located?
- Matthew Kollefrath's practice location on file with NPPES is 435 N Roxbury Dr Ste 300, Beverly Hills, CA 90210-5005.
- What is Matthew Kollefrath's phone number?
- The practice phone number listed in the NPPES registry for Matthew Kollefrath is (310) 550-7421.
- Does Matthew Kollefrath accept Medicare?
- Matthew Kollefrath is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Kollefrath's NPI active?
- Yes — Matthew Kollefrath's NPI (1568998516) is active in the NPPES registry as of the last update on 2024-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.