JAMES O POSEVER MD
NPI 1154364214
Internal Medicine - Rheumatology in Phoenix, AZ

Active since June 14, 2006PECOS EnrolledAccepts Medicare Assignment
4212 N 16TH ST, PHOENIX, AZ 85016(602) 263-1200(602) 263-1593 Get Directions Write a Review

NPPES record last updated: August 26, 2011. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About James O Posever Md NPPES

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

JAMES O POSEVER MD (NPI 1154364214) is an individual rheumatology provider in Phoenix, Arizona, licensed in Arizona (29356) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (1991).

NPPES Registry Identity

NPI1154364214
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameJAMES O POSEVERCredential: MD
Location Address4212 N 16TH STPhoenix, AZ 85016-5319
Mailing Address4212 N 16th StPhoenix, AZ 85016-5319 · (602) 263-1200 · Fax (602) 263-1593
Fax(602) 263-1593
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1991
Enumeration DateJune 14, 2006
Last NPPES UpdateAugust 26, 2011
NPI 1154364214 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License Licensed in AZ · 29356
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
4212 N 16TH ST, Phoenix, AZ 85016

Other Identifiers 3

Medicare UPINF98814
Medicaid574584AZ
Medicare PINZ65944

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

James O Posever Md 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 ID7113916198
PECOS Enrollment IDI20040506001357
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.

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.
44 services33 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.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85016 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

Registered Nurse (Obstetric, High-Risk)
4212 N 16TH ST
PHOENIX, AZ 85016
Registered Nurse
4212 N 16TH ST
PHOENIX, AZ 85016
Family Medicine
4212 N 16TH ST
PHOENIX, AZ 85016
Registered Nurse
4212 N 16TH ST
PHOENIX, AZ 85016
Pharmacist
4212 N 16TH ST
PHOENIX, AZ 85016
Pharmacist
4212 N 16TH ST
PHOENIX, AZ 85016
Internal Medicine
4212 N 16TH ST
PHOENIX, AZ 85016
Registered Nurse
4212 N 16TH ST
PHOENIX, AZ 85016

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 James Posever's NPI number?

The NPI number for James Posever is 1154364214. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is James Posever located?

James Posever practices at 4212 N 16th St, Phoenix, AZ 85016. The listed phone number is (602) 263-1200.

What is James Posever's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is James Posever enrolled in Medicare?

Yes. James Posever 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 James Posever was last updated on August 26, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.