Active NPI 1558381004 Individual Practitioner Male Practitioner

Dr. Darin Karl Buschmann , MD

Internal Medicine • Northridge, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Darin Buschmann, MD is a certified Internal Medicine practicing in Northridge, CA. With approximately 26 years of clinical experience since graduating from New York University School Of Medicine in 2000, Dr. Buschmann delivers high-quality medical care to the local community at 18546 ROSCOE BLVD STE 300.

Dr. Buschmann is affiliated with Healthcare Partners Affiliates Medical Group and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, administration of influenza virus vaccine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

18546 Roscoe Blvd Ste 300

Northridge, CA 913245458

Telephone 8188864028

Associated Practice Facility / Clinic

🏢 Family Home Hospice, Inc. Facility NPI 1093793028

Medicare Profile & Education

Medical School

New York University School Of Medicine

Graduation Year

2000

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Northridge, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

26 Yrs -2.5 yrs vs City Avg

City Avg: 28.5 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

39 Specialists

Practicing in Northridge, CA (18502 Statewide)

Telehealth Adoption Rate

33.3% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

60.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Buschmann (26 Years) 26 Yrs

Northridge Specialty Average (28.5 Years) 28.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	53	39	$338.64	$138.39
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	44	44	$361.00	$140.12
99213 Established patient office or other outpatient visit, typically 15 minutes	22	18	$262.82	$98.68
G0008 Administration of influenza virus vaccine	14	13	$58.00	$35.02
99442 Telephone medical discussion with physician, 11-20 minutes	13	12	$273.54	$98.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	49	37	$188.10	$138.93
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	31	31	$193.00	$140.36
G0008 Administration of influenza virus vaccine	14	13	$58.00	$33.42
99442 Telephone medical discussion with physician, 11-20 minutes	13	12	$134.38	$73.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	55	43	$178.00	$138.17
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	35	35	$193.00	$138.48
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$121.00	$97.98
G0008 Administration of influenza virus vaccine	11	11	$58.00	$31.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
0011A Adm sarscov2 100mcg/0.5ml1st	75	75	$17.55	$17.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	56	43	$178.00	$141.29
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	33	33	$193.00	$146.62
99442 Telephone medical discussion with physician, 11-20 minutes	29	22	$121.00	$101.69
99213 Established patient office or other outpatient visit, typically 15 minutes	20	15	$121.00	$100.00
G0008 Administration of influenza virus vaccine	18	18	$58.00	$18.11
90756 Vaccine for influenza for injection into muscle	18	18	$34.44	$26.61
0012A Adm sarscov2 100mcg/0.5ml2nd	14	14	$35.02	$35.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99441 Telephone medical discussion with physician, 5-10 minutes	75	45	$57.75	$43.42
99213 Established patient office or other outpatient visit, typically 15 minutes	36	33	$121.00	$80.37
G0008 Administration of influenza virus vaccine	30	28	$58.00	$18.88
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	29	29	$193.00	$128.78
90756 Vaccine for influenza for injection into muscle	26	24	$26.08	$25.88
99442 Telephone medical discussion with physician, 11-20 minutes	19	15	$121.00	$83.73
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	13	$178.00	$120.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	68	53	$121.00	$81.81
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	41	41	$193.00	$127.70
36415 Insertion of needle into vein for collection of blood sample	40	36	$6.00	$2.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	31	26	$178.00	$115.59
G0008 Administration of influenza virus vaccine	30	30	$58.00	$18.58
90756 Vaccine for influenza for injection into muscle	30	30	$26.80	$25.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	192	96	$6.00	$2.94
99213 Established patient office or other outpatient visit, typically 15 minutes	134	82	$121.00	$79.93
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	65	65	$193.00	$126.83
G0008 Administration of influenza virus vaccine	51	48	$58.00	$23.13
90756 Vaccine for influenza for injection into muscle	42	41	$25.00	$22.33
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	31	26	$178.00	$118.28
93000 Routine ekg using at least 12 leads including interpretation and report	21	19	$39.00	$18.91
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	15	12	$30.53	$24.45
G0009 Administration of pneumococcal vaccine	15	15	$58.00	$23.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	215	102	$6.00	$2.93
99213 Established patient office or other outpatient visit, typically 15 minutes	116	70	$121.00	$80.25
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	75	48	$178.00	$117.52
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	55	55	$193.00	$127.13
G0008 Administration of influenza virus vaccine	54	53	$58.00	$28.74
Q2039 Influenza virus vaccine, not otherwise specified	38	38	$20.00	$19.60
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	21	19	$30.00	$22.70
93000 Routine ekg using at least 12 leads including interpretation and report	20	18	$39.00	$18.90
Q2037 Influenza virus vaccine, split virus, when administered to individuals 3 years of age and older, for intramuscular use (fluvirin)	16	15	$25.00	$16.91
G0009 Administration of pneumococcal vaccine	15	15	$58.00	$28.74

Medical Specialties & State Licenses

CMS Verified: 2025-12-06

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A79033

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Healthcare Partners Affiliates Medical Group

23501 Cinema Dr, Valencia, CA 913555429

Phone: 6613679200

Healthcare Partners Affiliates Medical Group

824 E Carson St, Carson, CA 907452262

Phone: 3108309706

Healthcare Partners Affiliates Medical Group

Po Box, Las Vegas, NV 891335380

Healthcare Partners Affiliates Medical Group

7301 Medical Ctr Dr, West Hills, CA 913074101

Phone: 8182263666

Healthcare Partners Affiliates Medical Group

18546 Roscoe Blvd, Northridge, CA 913245458

Phone: 8188864028

Healthcare Partners Affiliates Medical Group

11600 Indian Hills Rd, Mission Hills, CA 913451225

Phone: 8188384500

Secondary Practice Locations

14600 Sherman Way, Suite 300

Van Nuys, CA 914052283

Phone: 8187817097

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

7 Associated Practitioners

Dr. Sean Chen , MD

Family Medicine - Adult Medicine

NPI 1336777838

Doctor of Medicine (M.D.)

Dr. Jean Partamian , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1598720351

Doctor of Medicine (M.D.)

Dr. Arthur Gordon , MD

Internal Medicine

NPI 1659431120

Doctor of Medicine (M.D.)

Kathryn Erhahon-Ilen-Otuma , FNP

Nurse Practitioner - Family

NPI 1770209025

Family Nurse Practitioner

Norinda Kremicki , NP

Nurse Practitioner - Family

NPI 1780645077

Nurse Practitioner

Dr. Sharon Grewal , MD

Internal Medicine

NPI 1831719624

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Practice Location December 06, 2025

Registered at 18546 ROSCOE BLVD STE 300, NORTHRIDGE, CA 913245458 (Tel: 8188864028)

📍

Updated Business Mailing Address December 06, 2025

Registered at PO BOX 35380, LAS VEGAS, NV 891335380 (Tel: 7025793203)

✅

NPI Profile Active November 05, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location November 05, 2012

Registered at 14600 SHERMAN WAY, SUITE 300, VAN NUYS, CA 914052283 (Tel: 8187817097)

📍

Updated Business Mailing Address November 05, 2012

Registered at 14600 SHERMAN WAY, SUITE 300, VAN NUYS, CA 914052283 (Tel: 8187817097)

👤

Provider Name / Credentials Updated November 05, 2012

Recorded as DARIN BUSCHMANN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 05, 2012

Internal Medicine (License #A79033 in CA)

🟢

Initial NPI Registration & Enumeration July 20, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1558381004

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 20, 2006

Last Update: December 06, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 35380

Las Vegas, NV 891335380

Phone: 7025793203

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.