Dr. Darin Karl Buschmann, MD
- Medicare services, 2024
- 146
- Medicare patients, 2024
- 72
- Part D claims, 2024
- 7,078
- Industry payments
- $40
- Affiliated sites
- 1
- Practice address
- 7301 N Medical Center Dr, West Hills, CA 91307
- Practice phone
- Call (213) 623-2225
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Healthcare Partners Medical Group
West Hills, California
Find Dr. Buschmann's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Darin Karl Buschmann is an internist in West Hills, California
Dr. Buschmann practices at Healthcare Partners Medical Group in West Hills, California.
Dr. Buschmann's NPI, 1558381004, was assigned on July 20, 2006. Dr. Buschmann graduated from New York University School of Medicine in 2000. Dr. Buschmann's California license number on file is A79033.
- NPI
- 1558381004NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860381456
- NPI enumeration date
- July 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (213) 623-2225
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Darin Karl Buschmann practices at Healthcare Partners Medical Group in West Hills, California
Dr. Buschmann's primary practice is Healthcare Partners Medical Group, at 7301 N Medical Center Dr, West Hills, CA 91307 in Los Angeles County. The practice phone is (213) 623-2225.
- Healthcare Partners Medical Group7301 N Medical Center Dr, West Hills, CA 91307 · Los Angeles CountyPhone(213) 623-2225
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Darin Karl Buschmann is affiliated with 2 sites of care and 1 medical group
Dr. Buschmann's primary practice is Healthcare Partners Medical Group in West Hills, California. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Dr. Buschmann to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Darin Karl Buschmann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Buschmann practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Healthcare Partners Medical Group | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Darin Karl Buschmann is one of 16,751 internists in California
Internal medicine is Dr. Buschmann's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Buschmann is board certified in internal medicine by the American Board of Internal Medicine. Dr. Buschmann has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, arthritis, asthma, atrial fibrillation and flutter, chronic anemia, chronic diabetes, chronic hypertension and chronic kidney disease among the conditions Dr. Buschmann treats.
Internists near Dr. Buschmann
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Darin Karl Buschmann billed Medicare for 146 services in 2024
CMS data shows 146 Medicare services from Dr. Buschmann across 5 procedure codes in 2024, for 72 Medicare patients. Medicare paid $13,704 for them. Every service was in an office.
Dr. Buschmann's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 622024: 8842%
- Other services
- 2023: 452024: 5829%
Dr. Buschmann compared with the California median for internists, 2024
- Dr. Buschmann
- California median
- Medicare services
- 146vs 36160% below
- Medicare patients
- 72vs 15152% below
- Part D claims
- 6,266vs 42114.9 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Buschmann's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Buschmann and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Darin Karl Buschmann treated 72 Medicare patients in 2024, average age 75
CMS counts 72 Medicare patients who saw Dr. Buschmann in 2024. The largest group is 65 to 74, with 33 patients. 69% of them have high blood pressure, and 69% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Buschmann's median patient age at 65, with 51% women.
Dr. Buschmann's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Buschmann's Medicare patients by sex, 2024
- Women3650%
- Men3650%
Chronic conditions among Dr. Buschmann's Medicare patients, 2024
- High blood pressure69%
- High cholesterol69%
- Arthritis54%
- Diabetes32%
- Ischemic heart disease32%
- Anxiety28%
- Chronic kidney disease19%
- Osteoporosis15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Buschmann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Darin Karl Buschmann wrote 7,078 Medicare Part D claims in 2024
In 2024, Dr. Buschmann wrote 7,078 Medicare Part D claims for 512 patients. 88% of them were for generic drugs. CMS names the drug for 6,266 of them, across 111 drugs with 11 or more claims each, at $489,197 in total drug cost. In 2023, CMS named 6,113 claims across 115 drugs.
Dr. Buschmann's Part D claims by kind of drug, 2024
- Generic6,233 claims88%
- Brand-name775 claims11%
- Other70 claims1%
Dr. Buschmann's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Buschmann's Part D claims, 2024
- Opioids3%189 of 7,078 claims
- Antibiotics1%90 of 7,078 claims
- Antipsychotics, patients 65 and over0%24 of 7,078 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6,1132024: 6,2663%
Drugs named by CMS: 111 in 2024, 115 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Darin Karl Buschmann offers telehealth to Medicare patients
Dr. Buschmann accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Buschmann as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Darin Karl Buschmann received $40 in industry payments from 2017 to 2018
CMS Open Payments shows 2 general payments to Dr. Buschmann from 2 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $21.
General payments to Dr. Buschmann by program year, 2017 to 2018
Companies that paid Dr. Buschmann the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Darin Karl Buschmann has 1 award and honors on record
Dmand AI lists 1 award for Dr. Buschmann, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Buschmann
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Darin Karl Buschmann graduated from New York University School of Medicine
Dr. Buschmann graduated from New York University School of Medicine in 2000.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Darin Karl Buschmann accepts plans from 13 insurance carriers
Dr. Buschmann is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- LA Care
- Regence Health Plans
- Aspirus Health Plan
- +5 more carriersWith a free account
Plan types Dr. Buschmann accepts, by number of carriers
- Medicare9
- PPO7
- HMO5
- POS4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Darin Karl Buschmann's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Darin Karl Buschmann
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Darin Karl Buschmann's NPI number?
Dr. Darin Karl Buschmann's NPI number is 1558381004. It was assigned on July 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Darin Karl Buschmann?
Dr. Darin Karl Buschmann is an internist in West Hills, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Darin Karl Buschmann practice?
Dr. Buschmann practices at 7301 N Medical Center Dr, West Hills, CA 91307. Dr. Buschmann's primary practice is Healthcare Partners Medical Group in West Hills, California. Dmand AI also links Dr. Buschmann to 1 group practice or clinic.
What is Dr. Darin Karl Buschmann's office phone number?
The practice phone on file for Dr. Buschmann is (213) 623-2225.
What is Dr. Darin Karl Buschmann's medical license number?
Dr. Buschmann's California license number on file is A79033.
What medical group is Dr. Darin Karl Buschmann part of?
Dr. Buschmann is linked to Optum - Downtown Los Angeles.
Does Dr. Darin Karl Buschmann accept Medicare?
Yes. CMS data shows Dr. Buschmann billed Medicare for 146 services in 2024, and Dr. Buschmann accepts Medicare assignment.
Does Dr. Darin Karl Buschmann offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Buschmann as offering telehealth services.
How many Medicare patients does Dr. Darin Karl Buschmann see?
CMS counts 72 Medicare patients who saw Dr. Buschmann in 2024, with an average age of 75.
Is Dr. Darin Karl Buschmann board certified?
Yes. Dr. Buschmann is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Darin Karl Buschmann bill to Medicare?
In 2024, Dr. Buschmann's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. Darin Karl Buschmann go to medical school?
Dr. Buschmann graduated from New York University School of Medicine in 2000.
What drugs does Dr. Darin Karl Buschmann prescribe most?
In 2024 Medicare Part D data, Dr. Buschmann's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.
Has Dr. Darin Karl Buschmann received payments from drug or device companies?
CMS Open Payments shows $40 in general payments to Dr. Buschmann from 2 companies from 2017 to 2018. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Darin Karl Buschmann been practicing?
Dr. Buschmann graduated from medical school in 2000, 26 years ago.
What insurance does Dr. Darin Karl Buschmann accept?
Dr. Buschmann is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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