NPPES file of Aug 9, 2026

Hajerah Sonnabend

Endocrinology, Diabetes & Metabolism Physician · Battle Creek, MI

Hajerah Sonnabend is an endocrinology, diabetes & metabolism physician with a practice address in Battle Creek, Michigan, and NPI 1912369570, issued on Mar 23, 2016. Check the license (Michigan 5101027585, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912369570
Name
Hajerah Sonnabend
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License numbers
5101027585 MI
036147627 IL
125.069192 IL
Self-reported in NPPES; status is on the state search
Practice location
363 Fremont St Ste 307, Battle Creek, MI 49017
Phone
(269) 245-8190
Enumerated
Mar 23, 2016
Record last updated
Aug 10, 2023
Medicare enrollment
Enrolled (PECOS I20230816004083); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Verify Hajerah Sonnabend in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 5101027585
    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 Michigan license search

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76% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

619 Medicare Part D claims for 149 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.

  1. Hajerah Sonnabend619
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium58 claims
  2. Lantus Solostar47 claims
  3. Trulicity35 claims
  4. Metformin Hcl33 claims
  5. Nano 2nd Gen Pen Needle29 claims
  6. Novolog Flexpen29 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.

The MIPS final score for 2023 (Medicare payment program): 93.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $279.56

11 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hajerah Sonnabend$279.56
  2. Specialty average$5,742.15

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Bronson Battle Creek HospitalBattle Creek, MI · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Hajerah Sonnabend among 270 endocrinology, diabetes & metabolism physician records in Michigan

Hajerah Sonnabend is one of 270 endocrinology, diabetes & metabolism 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 2016, is newer than 84% of them.

  • NPI issued2016 · 84% of these records are older, 13% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2016 · median 2004 among the 195 with a school on file
  • Record last updated2023 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Michigan

There are 270 endocrinology, diabetes & metabolism physician records in Michigan.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Priyanka BikkinaPortage, MI 490241023437043
  2. Corey Lager, MDPortage, MI 490241295171189
  3. Lee Bricker, M.D.Kalamazoo, MI 490081760450035
  4. Craig Greenberg, M.D.Kalamazoo, MI 490481326154329
  5. Majdi Al-Najjar, MDSaint Joseph, MI 490851578540852
  6. Amena IqbalSaint Joseph, MI 490851124469523
  7. Amanda Morris, DOSaint Joseph, MI 490851730479270
  8. Chandrashekhar Virupannavar, M.D.Three Rivers, MI 490931306857362

Common questions

What is Hajerah Sonnabend's NPI number?

Hajerah Sonnabend's National Provider Identifier (NPI) is 1912369570, issued on Mar 23, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Hajerah Sonnabend located?

The NPPES record lists a practice address at 363 Fremont St Ste 307, Battle Creek, MI, 49017. Phone: (269) 245-8190. Providers update this record themselves, so call before visiting.

How can I verify Hajerah Sonnabend's license?

NPPES lists Michigan license number 5101027585, 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 Hajerah Sonnabend prescribe under Medicare Part D?

In 2024, Hajerah Sonnabend had 619 Medicare Part D claims for 149 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Hajerah Sonnabend's MIPS final score?

The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.