Darin Buschmann, M.D.
NPI 1558381004 · Internal Medicine Physician · Northridge, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darin Buschmann, M.D. is a Internal Medicine Physician provider in Northridge, CA (NPI 1558381004).
Provider details
- NPI number
- 1558381004
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A79033 (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
19 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
146 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 53 | $138 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 44 | $140 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 22 | $99 |
| Administration of Influenza Virus VaccineG0008 | 14 | $35 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 13 | $98 |
Typical Medicare-allowed amounts for these services range $35–$140 (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 · 111 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 470 | 141 |
| Amlodipine Besylate | 290 | 89 |
| Rosuvastatin Calcium | 279 | 85 |
| Lisinopril | 230 | 65 |
| Levothyroxine Sodium | 215 | 58 |
| Losartan Potassium | 214 | 62 |
| Gabapentin |
Practice location
Mailing address
Additional practice locations (1)
- 14600 Sherman WaySuite 300Van Nuys, CA 91405-2283Phone: (818) 781-7097
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2025-12-06
- Certified
- 2025-12-06
Frequently asked questions
- What is Darin Buschmann's NPI number?
- Darin Buschmann's National Provider Identifier (NPI) is 1558381004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darin Buschmann's specialty?
- Darin Buschmann is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Darin Buschmann located?
- Darin Buschmann's practice location on file with NPPES is 18546 Roscoe Blvd Ste 300, Northridge, CA 91324-5458.
- What is Darin Buschmann's phone number?
- The practice phone number listed in the NPPES registry for Darin Buschmann is (818) 886-4028.
- Does Darin Buschmann accept Medicare?
- Darin Buschmann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darin Buschmann's NPI active?
- Yes — Darin Buschmann's NPI (1558381004) is active in the NPPES registry as of the last update on 2025-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.