JOHN S MILLAR M.D.
NPI 1023092871
Internal Medicine - Critical Care Medicine in Sacramento, CA

Active since December 05, 2005PECOS EnrolledAccepts Medicare Assignment
4150 V ST, SUITE 3400, SACRAMENTO, CA 95817(916) 734-3564 Get Directions Write a Review

NPPES record last updated: December 14, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About John S Millar M.d. NPPES

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

JOHN S MILLAR M.D. (NPI 1023092871) is an individual critical care medicine provider in Sacramento, California, licensed in California (A70329) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Howard University College Of Medicine (1998).

NPPES Registry Identity

NPI1023092871
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameJOHN S MILLARCredential: M.D.
Location Address4150 V ST, SUITE 3400Sacramento, CA 95817-1460
Mailing Address4150 V St, Suite 3400Sacramento, CA 95817-1460 · (916) 734-3564
Sole ProprietorNo
Medical School CMSHoward University College Of MedicineGraduated 1998
Enumeration DateDecember 5, 2005
Last NPPES UpdateDecember 14, 2021
NPI 1023092871 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License Licensed in CA · A70329
Definition

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.

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License A70329 (CA)
4150 V ST, Sacramento, CA 95817

Other Identifiers 1

OtherA70329CA · State License Number

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

John S Millar M.d. 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 ID7416938527
PECOS Enrollment IDI20040525001649
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 2

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.
42 services15 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95817 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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 20

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

Nurse Anesthetist, Certified Registered
4150 V ST, PSSB-SUITE 1200, MED: ANESTHESIA
SACRAMENTO, CA 95817
Internal Medicine (Critical Care Medicine)
4150 V ST, SUITE 3400
SACRAMENTO, CA 95817
Nurse Anesthetist, Certified Registered
4150 V ST, PSSB-SUITE 1200, MED: ANESTHESIA
SACRAMENTO, CA 95817
Internal Medicine
4150 V ST, #3116
SACRAMENTO, CA 95817
Internal Medicine (Endocrinology, Diabetes & Metabolism)
4150 V ST, #3116
SACRAMENTO, CA 95817
Internal Medicine
4150 V ST, #3116
SACRAMENTO, CA 95817
General Acute Care Hospital
4150 V ST, 2100
SACRAMENTO, CA 95817
Student in an Organized Health Care Education/Training Program
4150 V ST, SUITE 3100
SACRAMENTO, CA 95817

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 Millar's NPI number?

The NPI number for John Millar is 1023092871. It was assigned to this individual provider in the NPPES registry on December 5, 2005.

Where is John Millar located?

John Millar practices at 4150 V St Suite 3400, Sacramento, CA 95817. The listed phone number is (916) 734-3564.

What is John Millar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is John Millar enrolled in Medicare?

Yes. John Millar 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 Millar was last updated on December 14, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.