NPPES file of Aug 9, 2026

Jacob Byron Cihla, MD

Emergency Medicine Physician · Grafton, WI

Jacob Byron Cihla, MD is an emergency medicine physician with a practice address in Grafton, Wisconsin, and NPI 1538789318, issued on Apr 21, 2020. Check the license (Wisconsin 84358, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538789318
Name
Jacob Byron Cihla
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
84358 WI
MD481465 PA
Self-reported in NPPES; status is on the state search
Practice location
975 Port Washington RD, Grafton, WI 53024
Phone
(262) 329-1000
Enumerated
Apr 21, 2020
Record last updated
Oct 4, 2024
Medicaid ID
100282581 WI
Medicare enrollment
Enrolled (PECOS I20240802000317); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 975 Port Washington RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Hamid Afsari, D.O.Hospitalist Physician1053672048
  2. Muhammed Al-Fawakhiri, MDInternal Medicine Physician1942276613
  3. Beverly Altman, LMTMassage Therapist1447888789
  4. Claudia Altmann, MDInfectious Disease Physician1386691756
  5. Peter Andrew, AAAnesthesiologist Assistant1821704545
  6. Patrick AndrewsPhysical Therapist1689481962

Verify Jacob Byron Cihla in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 84358
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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74% fewer Medicare Part D claims than the average emergency medicine physician in 2024

58 Medicare Part D claims for 46 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Jacob Cihla58
  2. Specialty average226

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

  1. Aurora Medical Group, Inc.Grafton, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jacob Byron Cihla among 1,464 emergency medicine physician records in Wisconsin

Jacob Byron Cihla, MD is one of 1,464 emergency medicine physician records with a practice address in Wisconsin. 79% 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 88% of them.

  • NPI issued2020 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2020 · median 2011 among the 844 with a school on file
  • Record last updated2024 · 50% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 emergency medicine physician records list a practice address in Grafton

They are 8 of the 459 NPPES records with a practice address in Grafton, and 1,464 emergency medicine physician records in Wisconsin.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Phawanjit Demos, D.O.Grafton, WI 530241205065026
  2. Lubomyr Domashevsky, MDGrafton, WI 530241619927159
  3. Aaron Ginster, M.D.Grafton, WI 530241265726582
  4. Pamela Krol, MDGrafton, WI 530241922024082
  5. Bjorn Schweinsberg, MDGrafton, WI 530241750464533
  6. Rajeev Seth, D.O.Grafton, WI 530241881707073
  7. Steven Zils, MDGrafton, WI 530241659451425
  8. Sanjay Chopra, DOHartford, WI 530271922017821

Common questions

What is Jacob Byron Cihla, MD's NPI number?

Jacob Byron Cihla, MD's National Provider Identifier (NPI) is 1538789318, issued on Apr 21, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Jacob Byron Cihla, MD located?

The NPPES record lists a practice address at 975 Port Washington RD, Grafton, WI, 53024. Phone: (262) 329-1000. Providers update this record themselves, so call before visiting.

How can I verify Jacob Byron Cihla, MD's license?

NPPES lists Wisconsin license number 84358, 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 Jacob Byron Cihla, MD prescribe under Medicare Part D?

In 2024, Jacob Byron Cihla, MD had 58 Medicare Part D claims for 46 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.