Active NPI 1013907203 Individual Practitioner Male Practitioner

Dr. John R Walters , MD

Internal Medicine • Oxnard, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Walters, MD is a certified Internal Medicine practicing in Oxnard, CA. With approximately 50 years of clinical experience since graduating from University Of Southern California Keck School Of Medicine in 1976, Dr. Walters delivers high-quality medical care to the local community at 703 N A ST.

Dr. Walters accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, telephone medical discussion with physician, advance care planning, first. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

703 N A St

Oxnard, CA 930304309

Telephone 8054852340

Fax 8054851429

Associated Practice Facility / Clinic

🏢 John R Walters Md Inc Facility NPI 1104621648

Medicare Profile & Education

Medical School

University Of Southern California Keck School Of Medicine

Graduation Year

1976

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Oxnard, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

50 Yrs +27.3 yrs vs City Avg

City Avg: 22.7 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

46 Specialists

Practicing in Oxnard, CA (18502 Statewide)

Telehealth Adoption Rate

23.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

24.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Walters (50 Years) 50 Yrs

Oxnard Specialty Average (22.7 Years) 22.7 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	217	103	$185.00	$130.66
99443 Telephone medical discussion with physician, 21-30 minutes	45	28	$145.00	$125.28
99497 Advance care planning, first 30 minutes	20	20	$97.00	$82.57
G0444 Annual depression screening, 5 to 15 minutes	19	19	$25.00	$19.51
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	19	19	$195.00	$130.42

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	334	141	$185.00	$137.30
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	307	11	$138.00	$123.34
G0444 Annual depression screening, 5 to 15 minutes	41	41	$25.00	$20.22
99443 Telephone medical discussion with physician, 21-30 minutes	32	24	$145.00	$122.29
99213 Established patient office or other outpatient visit, typically 15 minutes	20	18	$165.00	$95.94
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	18	16	$70.00	$57.03

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	711	13	$138.00	$108.31
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	401	156	$176.12	$141.13
99443 Telephone medical discussion with physician, 21-30 minutes	52	43	$145.00	$141.14
99213 Established patient office or other outpatient visit, typically 15 minutes	17	16	$125.00	$100.34
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	13	13	$68.85	$58.73
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$170.00	$123.03

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	1,093	18	$138.00	$110.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	380	155	$145.21	$142.67
99443 Telephone medical discussion with physician, 21-30 minutes	74	49	$145.00	$143.78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	24	17	$302.00	$213.39
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	23	20	$55.00	$55.56
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$170.00	$124.44
99497 Advance care planning, first 30 minutes	17	17	$97.00	$92.22
99213 Established patient office or other outpatient visit, typically 15 minutes	15	15	$125.00	$101.38

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	1,216	26	$138.00	$112.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	380	140	$145.00	$120.90
99443 Telephone medical discussion with physician, 21-30 minutes	44	33	$130.68	$112.57
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	24	11	$45.00	$45.42
99213 Established patient office or other outpatient visit, typically 15 minutes	22	21	$125.00	$83.49
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	21	18	$55.00	$55.56
99497 Advance care planning, first 30 minutes	18	18	$97.00	$93.89
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	17	16	$302.00	$218.41
99496 Transitional care management services for problem of high complexity	17	13	$232.00	$233.57
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	17	17	$125.00	$127.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$170.00	$119.36

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	521	164	$125.27	$119.19
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	504	40	$138.00	$110.21
99213 Established patient office or other outpatient visit, typically 15 minutes	98	74	$87.39	$81.71
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	32	26	$302.00	$214.43
G0444 Annual depression screening, 5 to 15 minutes	28	28	$24.00	$20.33
90662 Influenza vaccine split virus, preservative free	22	21	$50.00	$49.00
G0008 Administration of influenza virus vaccine	22	21	$30.00	$18.43
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$170.00	$118.46
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	13	13	$55.00	$54.77

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	504	78	$138.00	$109.65
99213 Established patient office or other outpatient visit, typically 15 minutes	420	178	$87.00	$79.48
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	61	47	$302.00	$213.16
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	38	33	$125.00	$116.97
90662 Influenza vaccine split virus, preservative free	28	28	$50.00	$48.93
G0008 Administration of influenza virus vaccine	27	27	$25.56	$22.97
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	23	23	$55.00	$54.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$170.00	$116.75
99496 Transitional care management services for problem of high complexity	16	15	$232.00	$228.29
99231 Follow-up hospital inpatient care per day, typically 15 minutes	13	12	$80.00	$41.13

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	486	136	$138.00	$109.88
99213 Established patient office or other outpatient visit, typically 15 minutes	275	125	$87.00	$79.30
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	182	95	$125.00	$115.53
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	84	77	$302.05	$213.45
G0008 Administration of influenza virus vaccine	31	29	$25.00	$24.50
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$170.00	$113.65
90662 Influenza vaccine split virus, preservative free	26	26	$50.00	$48.05
99239 Hospital discharge day management, more than 30 minutes	25	23	$168.00	$114.54
99231 Follow-up hospital inpatient care per day, typically 15 minutes	13	12	$80.00	$41.23
99291 Critical care, first 30-74 minutes	13	12	$313.00	$233.08
G0444 Annual depression screening, 5 to 15 minutes	12	12	$24.00	$20.02

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A46739

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.

Internal Medicine - Critical Care Medicine

NUCC Taxonomy Code: 207RC0200X

State License CA A46739

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Internal Medicine - Pulmonary Disease

NUCC Taxonomy Code: 207RP1001X

State License CA A46739

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

ZZZ80185Z (CA)

Practice Associates & Co-Workers

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

1 Associated Practitioners

Theodore Hostetler

Internal Medicine - Pulmonary Disease

NPI 1265423859

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active September 05, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location September 05, 2007

Registered at 703 N A ST, OXNARD, CA 930304309 (Tel: 8054852340)

📍

Updated Business Mailing Address September 05, 2007

Registered at 703 N A ST, OXNARD, CA 930304309 (Tel: 8054852340)

👤

Provider Name / Credentials Updated September 05, 2007

Recorded as JOHN WALTERS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 05, 2007

Internal Medicine (License #A46739 in CA)

🟢

Initial NPI Registration & Enumeration October 27, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1013907203

Entity Type:

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

Enumeration Date: October 27, 2005

Last Update: September 05, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

703 N A St

Oxnard, CA 930304309

Phone: 8054852340

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.