Active NPI 1437128840 Individual Practitioner Male Practitioner

Dr. Christopher Robert Buttelman , MD

Internal Medicine • Northridge, CA

Professional Overview & Biography Verified Profile Summary

Dr. Christopher Buttelman, MD is a certified Internal Medicine practicing in Northridge, CA. With approximately 41 years of clinical experience since completing medical education in 1985, Dr. Buttelman delivers high-quality medical care to the local community at 17075 DEVONSHIRE ST.

Dr. Buttelman does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

17075 Devonshire St
#209

Northridge, CA 913251600

Telephone 8188327802

Fax 8188327805

Associated Practice Facility / Clinic

🏢 Joseph Kerendian, Md, Inc Facility NPI 1275504995

Medicare Profile & Education

Medical School

Other

Graduation Year

1985

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Northridge, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

41 Yrs +12.5 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

In-Person Office Visits Only

Medicare Pricing Discount

18.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Buttelman (41 Years) 41 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
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	563	208	$145.00	$142.84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	63	16	$125.00	$116.33
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	18	18	$250.00	$223.65
99239 Hospital discharge day management, more than 30 minutes	17	16	$175.00	$113.36
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	16	16	$250.00	$169.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	585	213	$145.00	$142.84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	173	31	$125.00	$118.86
99239 Hospital discharge day management, more than 30 minutes	37	29	$175.00	$115.24
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	37	29	$250.00	$173.36
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	18	18	$250.00	$224.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	567	203	$145.00	$143.48
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	243	47	$125.00	$103.11
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	54	39	$250.00	$199.34
99239 Hospital discharge day management, more than 30 minutes	48	35	$175.00	$106.77
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$250.00	$229.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	539	201	$145.00	$144.79
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	206	30	$125.00	$104.93
99239 Hospital discharge day management, more than 30 minutes	37	30	$175.00	$108.99
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	36	27	$247.08	$201.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	497	198	$145.00	$144.17
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	405	78	$125.00	$107.03
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	79	14	$175.00	$94.83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	70	53	$250.00	$207.29
99239 Hospital discharge day management, more than 30 minutes	67	53	$175.00	$110.86
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	28	14	$100.00	$74.41
99306 Initial nursing facility visit, typically 45 minutes per day	23	17	$230.00	$171.87
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	13	13	$250.00	$216.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	743	236	$145.00	$142.51
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	622	82	$125.00	$105.09
99239 Hospital discharge day management, more than 30 minutes	126	79	$175.00	$109.42
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	121	78	$250.00	$203.28
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	109	30	$175.00	$93.72
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	58	15	$100.00	$73.53
99306 Initial nursing facility visit, typically 45 minutes per day	48	34	$230.00	$169.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	763	263	$145.00	$141.80
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	480	91	$125.00	$99.72
99239 Hospital discharge day management, more than 30 minutes	107	80	$175.00	$104.19
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	89	67	$250.00	$192.32
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	79	23	$175.00	$88.81
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	45	16	$100.00	$69.63
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	32	32	$250.00	$201.65
99306 Initial nursing facility visit, typically 45 minutes per day	26	24	$230.00	$157.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	1,114	159	$125.00	$98.95
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	780	261	$145.00	$140.20
99239 Hospital discharge day management, more than 30 minutes	200	122	$175.00	$102.87
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	191	125	$250.00	$191.37
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	92	27	$175.00	$87.66
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	68	21	$100.00	$68.48
99306 Initial nursing facility visit, typically 45 minutes per day	61	42	$230.00	$158.89
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	18	18	$250.00	$200.01

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A47864

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.

Practice Associates & Co-Workers

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

26 Associated Practitioners

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Psychiatry & Neurology - Psychiatry

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Doctor of Medicine (M.D.)

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Neurological Surgery

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Doctor of Medicine (M.D.)

Dr. Gholamreza Bonabi , MD

Specialist

NPI 1154439743

Doctor of Medicine (M.D.)

Karine Setyan

Nurse Practitioner - Psychiatric/Mental Health

NPI 1194464693

Dr. Doris Barizo , DMD

Dentist - General Practice

NPI 1255479721

Doctor of Dental Medicine

Dr. Armaghan Ghiai , DC

Chiropractor

NPI 1336273705

Doctor of Chiropractic

Career & Practice History Timeline

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

11 Historical Events

✅

NPI Profile Active December 11, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location December 11, 2017

Registered at 17075 DEVONSHIRE ST, #209, NORTHRIDGE, CA 913251600 (Tel: 8188327802)

📍

Updated Business Mailing Address December 11, 2017

Registered at 17075 DEVONSHIRE ST, #209, NORTHRIDGE, CA 913251600 (Tel: 8188327802)

👤

Provider Name / Credentials Updated December 11, 2017

Recorded as CHRISTOPHER BUTTELMAN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 11, 2017

Internal Medicine (License #A47864 in CA)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 17075 DEVONSHIRE ST, #209, NORTHRIDGE, CA 913251600 (Tel: 8188327802)

📍

Updated Business Mailing Address July 08, 2007

Registered at 17075 DEVONSHIRE ST, #209, NORTHRIDGE, CA 913251600 (Tel: 8188327802)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as CHRISTOPHER BUTTELMAN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #A47864 in CA)

🟢

Initial NPI Registration & Enumeration March 16, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1437128840

Entity Type:

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

Enumeration Date: March 16, 2006

Last Update: December 11, 2017

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

17075 Devonshire St, #209

Northridge, CA 913251600

Phone: 8188327802

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.