James Allen Walla, RN
Nurse Practitioner · Ann Arbor, MI
James Allen Walla, RN is a nurse practitioner with a practice address in Ann Arbor, Michigan, and NPI 1689288615, issued on Sep 8, 2020. Check the license (Michigan 4704267270, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Allen Walla
- Credential
- RN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 4704267270 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4250 Plymouth RD, Ann Arbor, MI 48109
- Phone
- (734) 764-6443
- Enumerated
- Sep 8, 2020
- Record last updated
- Mar 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,574 in Michigan → Look up another NPI →
Also registered at 4250 Plymouth RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Allen Walla in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4704267270Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average nurse practitioner in 2024
68 Medicare Part D claims for 25 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam11 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.
Industry payments in 2024: $750.03
38 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
James Allen Walla among 3,574 nurse practitioner records in Michigan
James Allen Walla, RN is one of 3,574 nurse practitioner records with a practice address in Michigan. 71% 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 71% of them.
- NPI issued2020 · 71% of these records are older, 24% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2021 · 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 363L00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
704 nurse practitioner records list a practice address in Ann Arbor
They are 704 of the 15,616 NPPES records with a practice address in Ann Arbor, and 3,574 nurse practitioner records in Michigan.
All 3,574 in Michigan → Every provider in Ann Arbor → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Kathleen Allen, NPAnn Arbor, MI 481091073556619
- Denise Bauer, N.P.Ann Arbor, MI 481091497724835
- Helen Bauer, NPAnn Arbor, MI 481091720026602
- Danielle Bozaan, NPAnn Arbor, MI 481091922053818
- Deborah Caplan, NPAnn Arbor, MI 481091699725721
- Tina Garcia, NPAnn Arbor, MI 481091013997659
- Helen Kuch-Kunich, CNNPAnn Arbor, MI 481091841285905
- Emily Marlow, NPAnn Arbor, MI 481091447293477
Common questions
What is James Allen Walla, RN's NPI number?
James Allen Walla, RN's National Provider Identifier (NPI) is 1689288615, issued on Sep 8, 2020. An NPI identifies a provider in billing; it is not a license.
Where is James Allen Walla, RN located?
The NPPES record lists a practice address at 4250 Plymouth RD, Ann Arbor, MI, 48109. Phone: (734) 764-6443. Providers update this record themselves, so call before visiting.
How can I verify James Allen Walla, RN's license?
NPPES lists Michigan license number 4704267270, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does James Allen Walla, RN prescribe under Medicare Part D?
In 2024, James Allen Walla, RN had 68 Medicare Part D claims for 25 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.