Julia Hinkle Penn, M.D.
Psychiatry Physician · Mequon, WI
Julia Hinkle Penn, M.D. is a psychiatry physician with a practice address in Mequon, Wisconsin, and NPI 1336269968, issued on Mar 29, 2007. Check the license (Wisconsin 23677, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Julia Hinkle Penn
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 23677 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1045 W Glen Oaks LN, Mequon, WI 53092
- Phone
- (262) 241-4664
- Enumerated
- Mar 29, 2007
- Record last updated
- Sep 30, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (262) 241-1012
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 929 in Wisconsin → Look up another NPI →
Also registered at 1045 W Glen Oaks LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew RoyalProfessional Counselor1346628328
Verify Julia Hinkle Penn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 23677Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
23 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Minoxidil11 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.
Julia Hinkle Penn among 929 psychiatry physician records in Wisconsin
Julia Hinkle Penn, M.D. is one of 929 psychiatry physician records with a practice address in Wisconsin. 68% 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 50% of them.
- NPI issued2007 · 50% of these records are older, 41% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 47% of these records are
- Record last updated2010 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Wisconsin
There are 929 psychiatry physician records in Wisconsin.
All 929 in Wisconsin → Every provider in Mequon → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Donna Brehm, M.D.Mequon, WI 530921104932912
- Austin Kayser, MDMequon, WI 530921265173538
- Christina Keppel, MDMequon, WI 530921811936701
- Guy Lord, MDMequon, WI 530921255399978
- Jeffrey Taxman, M.D.Mequon, WI 530921114066610
- Wess Vogt, M.D.Mequon, WI 530921023124708
- Matthew Weinlander, M.D.Thiensville, WI 530921043692700
- Laurens Young, M.D.Mequon, WI 530921023047537
Common questions
What is Julia Hinkle Penn, M.D.'s NPI number?
Julia Hinkle Penn, M.D.'s National Provider Identifier (NPI) is 1336269968, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Julia Hinkle Penn, M.D. located?
The NPPES record lists a practice address at 1045 W Glen Oaks LN, Mequon, WI, 53092. Phone: (262) 241-4664. Providers update this record themselves, so call before visiting.
How can I verify Julia Hinkle Penn, M.D.'s license?
NPPES lists Wisconsin license number 23677, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Julia Hinkle Penn, M.D. prescribe under Medicare Part D?
In 2024, Julia Hinkle Penn, M.D. had 23 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.