1. Home
  2. Directory
  3. California
  4. Whittier
  5. Internal Medicine
  6. NPI Profile

DR. JOHN D. MCCARTHY
NPI 1679650923
Internal Medicine - Infectious Disease in Whittier, CA

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment
15141 WHITTIER BLVD STE 360, WHITTIER, CA 90603(626) 912-5767(562) 360-1443 Get Directions Write a Review

NPPES record last updated: February 12, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John D. Mccarthy NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN D. MCCARTHY (NPI 1679650923) is an individual infectious disease provider in Whittier, California, licensed in California (G49282) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1981).

NPPES Registry Identity

NPI1679650923
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. JOHN D. MCCARTHY
Location Address15141 WHITTIER BLVD STE 360Whittier, CA 90603-2184
Mailing AddressPo Box 11540Whittier, CA 90603-0540 · (562) 696-9265 · Fax (877) 887-8750
Phone(626) 912-5767
Fax(562) 360-1443
Sole ProprietorYes
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1981
Enumeration DateNovember 1, 2006
Last NPPES UpdateFebruary 12, 2021
NPPES CertifiedFebruary 12, 2021
✔ NPI 1679650923 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CA · G49282
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License G49282 (CA)
15141 WHITTIER BLVD STE 360, Whittier, CA 90603
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John D. Mccarthy is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5395892244
PECOS Enrollment IDI20090409000414
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
709 services126 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
166 services45 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
107 services102 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
86 services40 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
52 services13 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
26 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90603 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOHN D MCCARTHY
Internal Medicine (Infectious Disease)
15141 WHITTIER BLVD STE 360
WHITTIER, CA 90603
Los Angeles County (626) 912-5767

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Mccarthy's NPI number?

The NPI number for John Mccarthy is 1679650923. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is John Mccarthy located?

John Mccarthy practices at 15141 Whittier Blvd Ste 360, Whittier, CA 90603. The listed phone number is (626) 912-5767.

What is John Mccarthy's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is John Mccarthy enrolled in Medicare?

Yes. John Mccarthy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for John Mccarthy was last updated on February 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.