Jillian Knapp, NP
Family Medicine Physician · Mesa, AZ
Jillian Knapp, NP is a family medicine physician with a practice address in Mesa, Arizona, and NPI 1437782257, issued on Feb 20, 2020. Check the license (Arizona 219029, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jillian Knapp
- Credential
- NP
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 219029 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 4838 E Baseline RD, Mesa, AZ 85206
- Phone
- (480) 926-8000
- Enumerated
- Feb 20, 2020
- Record last updated
- Jul 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (480) 926-3445
- Medicare enrollment
- Enrolled (PECOS I20240619001563); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 4838 E Baseline RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jillian Knapp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 219029Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
106 Medicare Part D claims for 64 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen12 claims
- Methylprednisolone12 claims
- Amoxicillin-Clavulanate Potass11 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.
Bills Medicare through one group practice
- Empower St Josephs PLLCGlendale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jillian Knapp among 3,119 family medicine physician records in Arizona
Jillian Knapp, NP is one of 3,119 family medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 86% of them.
- NPI issued2020 · 86% of these records are older, 12% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2016 · median 2006 among the 1,775 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
194 family medicine physician records list a practice address in Mesa
They are 194 of the 9,151 NPPES records with a practice address in Mesa, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Mesa → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Robert Allen, M.D.Mesa, AZ 852061972538569
- Gary Beitler, MDMesa, AZ 852061639174493
- Pete Coury, MDMesa, AZ 852061598751497
- Rustin Crawford, D.O.Mesa, AZ 852061659419091
- Donna Desantis, MDMesa, AZ 852061962483727
- Jason Frye, D.O.Mesa, AZ 852061598700189
- Grace Haynes, MDMesa, AZ 852061215070792
- Robert Laufer, D.O.Mesa, AZ 852061205838737
Common questions
What is Jillian Knapp, NP's NPI number?
Jillian Knapp, NP's National Provider Identifier (NPI) is 1437782257, issued on Feb 20, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Jillian Knapp, NP located?
The NPPES record lists a practice address at 4838 E Baseline RD, Mesa, AZ, 85206. Phone: (480) 926-8000. Providers update this record themselves, so call before visiting.
How can I verify Jillian Knapp, NP's license?
NPPES lists Arizona license number 219029, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jillian Knapp, NP prescribe under Medicare Part D?
In 2024, Jillian Knapp, NP had 106 Medicare Part D claims for 64 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.