Nathan Lawrence Haas, M.D.
Emergency Medicine Physician · Ann Arbor, MI
Nathan Lawrence Haas, M.D. is an emergency medicine physician with a practice address in Ann Arbor, Michigan, and NPI 1467865774, issued on Jun 4, 2014. Check the license (Michigan 4301105740, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Nathan Lawrence Haas
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 4301105740 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1500 East Medical Center Dr, Ann Arbor, MI 48109
- Phone
- (734) 936-6666
- Enumerated
- Jun 4, 2014
- Record last updated
- Dec 13, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 1500 East Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nathan Lawrence Haas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301105740Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average emergency medicine physician in 2024
35 Medicare Part D claims for 22 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Nathan Lawrence Haas among 3,083 emergency medicine physician records in Michigan
Nathan Lawrence Haas, M.D. is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 55% of them.
- NPI issued2014 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2018 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
236 emergency medicine physician records list a practice address in Ann Arbor
They are 236 of the 15,616 NPPES records with a practice address in Ann Arbor, and 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Ann Arbor → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ginette Busschots, MDAnn Arbor, MI 481091821028838
- Susanne Demeester, MDAnn Arbor, MI 481091316980196
- Jeffrey Freeman, MDAnn Arbor, MI 481091881624898
- Kyle Gunnerson, MDAnn Arbor, MI 481091447361456
- Andrew Hashikawa, M.D.Ann Arbor, MI 481091528046810
- Shaun Huang, MDAnn Arbor, MI 481091669415360
- William Meurer, MDAnn Arbor, MI 481091942234042
- Robert Neumar, MDAnn Arbor, MI 481091023058013
Common questions
What is Nathan Lawrence Haas, M.D.'s NPI number?
Nathan Lawrence Haas, M.D.'s National Provider Identifier (NPI) is 1467865774, issued on Jun 4, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Lawrence Haas, M.D. located?
The NPPES record lists a practice address at 1500 East Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 936-6666. Providers update this record themselves, so call before visiting.
How can I verify Nathan Lawrence Haas, M.D.'s license?
NPPES lists Michigan license number 4301105740, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nathan Lawrence Haas, M.D. prescribe under Medicare Part D?
In 2024, Nathan Lawrence Haas, M.D. had 35 Medicare Part D claims for 22 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.