Kari Lynn St Hubert, PA-C
Physician Assistant · Phoenix, AZ
Kari Lynn St Hubert, PA-C is a physician assistant with a practice address in Phoenix, Arizona, and NPI 1891837902, issued on Feb 13, 2007. Check the license (Arizona 8383, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kari Lynn St Hubert
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 8383 AZ
085005785 IL
Self-reported in NPPES; status is on the state search - Practice location
- 18444 N 25TH Ave Ste 210, Phoenix, AZ 85023
- Phone
- (866) 974-2673
- Enumerated
- Feb 13, 2007
- Record last updated
- Aug 11, 2025
- Fax
- (866) 939-2673
- Medicaid ID
- 095702 AZ
- Medicare enrollment
- Enrolled (PECOS I20230301000229); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,666 in Arizona → Look up another NPI →
Also registered at 18444 N 25TH Ave Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kari Lynn St Hubert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 8383Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average physician assistant in 2024
65 Medicare Part D claims for 59 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Methylprednisolone19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Center For Orthopedic Research And Education LLCSun City, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kari Lynn St Hubert among 3,666 physician assistant records in Arizona
Kari Lynn St Hubert, PA-C is one of 3,666 physician assistant records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 16% of them.
- NPI issued2007 · 16% of these records are older, 79% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2009 · median 2018 among the 2,207 with a school on file
- Record last updated2025 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
923 physician assistant records list a practice address in Phoenix
They are 923 of the 31,399 NPPES records with a practice address in Phoenix, and 3,666 physician assistant records in Arizona.
All 3,666 in Arizona → Every provider in Phoenix → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kyra Barbosa, PA-CPhoenix, AZ 850231326253485
- Cathleen Bickel, PA-CPhoenix, AZ 850231992058127
- Monica Janac, PA-CPhoenix, AZ 850231285061481
- Chaim Kaplan, PA-CPhoenix, AZ 850231043593353
- Joshua Kohl, PA-CPhoenix, AZ 850231598168213
- Joseph Latzo, PA-CPhoenix, AZ 850231265978951
- James Linhoff, PA-CPhoenix, AZ 850231649259482
- Natanya McDonough, PA-CPhoenix, AZ 850231245500818
Common questions
What is Kari Lynn St Hubert, PA-C's NPI number?
Kari Lynn St Hubert, PA-C's National Provider Identifier (NPI) is 1891837902, issued on Feb 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kari Lynn St Hubert, PA-C located?
The NPPES record lists a practice address at 18444 N 25TH Ave Ste 210, Phoenix, AZ, 85023. Phone: (866) 974-2673. Providers update this record themselves, so call before visiting.
How can I verify Kari Lynn St Hubert, PA-C's license?
NPPES lists Arizona license number 8383, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Kari Lynn St Hubert, PA-C prescribe under Medicare Part D?
In 2024, Kari Lynn St Hubert, PA-C had 65 Medicare Part D claims for 59 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Kari Lynn St Hubert, PA-C's MIPS final score?
The 2023 MIPS final score is 82.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.