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KARINA ALEXANDRA STONE MD
NPI 1922149095
Psychiatry & Neurology - Neurology in Portland, OR

Active since February 09, 2007PECOS EnrolledAccepts Medicare Assignment
86.22/100
CMS Quality Rating
1225 NE 2ND AVE., UNITY CENTER, PORTLAND, OR 97232(503) 944-8010 Get Directions Write a Review

NPPES record last updated: December 30, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Karina Alexandra Stone Md NPPES

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

KARINA ALEXANDRA STONE MD (NPI 1922149095) is an individual neurology provider in Portland, Oregon, licensed in Massachusetts (225874) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1922149095
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameKARINA ALEXANDRA STONECredential: MD
Location Address1225 NE 2ND AVE., UNITY CENTERPortland, OR 97232
Mailing Address3181 Sw Sam Jackson Park Road.Portland, OR 97239-3011 · (503) 949-8311
Phone(503) 944-8010
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateFebruary 9, 2007
Last NPPES UpdateDecember 30, 2016
✔ NPI 1922149095 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in MA · 225874
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
1225 NE 2ND AVE., Portland, OR 97232
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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

Karina Alexandra Stone 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 ID2961790399
PECOS Enrollment IDI20161018000458
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 straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
56 services28 patients
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.
44 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97232 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
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.22/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality95.64
Promoting Interoperability99
Improvement Activities40
Cost49.32

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 Karina Stone's NPI number?

The NPI number for Karina Stone is 1922149095. It was assigned to this individual provider in the NPPES registry on February 9, 2007.

Where is Karina Stone located?

Karina Stone practices at 1225 NE 2nd Ave. Unity Center, Portland, OR 97232. The listed phone number is (503) 944-8010.

What is Karina Stone's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Karina Stone enrolled in Medicare?

Yes. Karina Stone 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 Karina Stone was last updated on December 30, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.