NPPES file of Aug 9, 2026

Rachel Marie Hatfield Dalton, D.O.

Obstetrics & Gynecology Physician · Bloomington, IL

Rachel Marie Hatfield Dalton, D.O. is an obstetrics & gynecology physician with a practice address in Bloomington, Illinois, and NPI 1235360199, issued on Jul 27, 2009. Check the license (Illinois 125052728, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1235360199
Name
Rachel Marie Hatfield Dalton
Credential
D.O.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
125052728 IL
Self-reported in NPPES; status is on the state search
Practice location
1505 Eastland Dr Ste 2200, Bloomington, IL 61701
Phone
(309) 454-3456
Enumerated
Jul 27, 2009
Record last updated
Dec 15, 2025
Fax
(309) 454-6977
Medicare enrollment
Enrolled (PECOS I20121004000738); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2007
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 1505 Eastland Dr Ste 2200

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

  1. Abigail Cervantes, APNWomen's Health Nurse Practitioner1255700316
  2. Ashley Dempsey, MSN, APRN, FNP-CFamily Nurse Practitioner1427947001
  3. Rachel Maxwell, CNPFamily Nurse Practitioner1659632958
  4. Geneva Petersen, CNPFamily Nurse Practitioner1750321667
  5. Jared Zotz, M.D.Obstetrics & Gynecology Physician1093956815

Verify Rachel Marie Hatfield Dalton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 125052728
    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 Illinois 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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35% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

108 Medicare Part D claims for 40 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Rachel Dalton108
  2. Specialty average165

Most prescribed

  1. Estradiol24 claims
  2. Paroxetine Hcl13 claims
  3. Progesterone11 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.

Bills Medicare through one group practice

  1. Heart OF Illinois Obstetrics And Gynecology, S.C.Bloomington, IL

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

Rachel Marie Hatfield Dalton among 2,062 obstetrics & gynecology physician records in Illinois

Rachel Marie Hatfield Dalton, D.O. is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 57% of them.

  • NPI issued2009 · 57% of these records are older, 41% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2007 · median 2006 among the 1,168 with a school on file
  • Record last updated2025 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Illinois

There are 2,062 obstetrics & gynecology physician records in Illinois.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Meng Horng, MDBloomington, IL 617011134129281
  2. Karla Kossler, M.D.Bloomington, IL 617011780876961
  3. Leigh Ann Kowalski, D.O.Bloomington, IL 617011427402494
  4. Daniel Nord, MDBloomington, IL 617011336144955
  5. Bamidele Ogunleye, M.D.Bloomington, IL 617011831209584
  6. Barry Slotky, MDBloomington, IL 617011932194834
  7. Sharon Weaver, M.D.Bloomington, IL 617011215049416
  8. Richard Wellman, MDBloomington, IL 617011184629701

Common questions

What is Rachel Marie Hatfield Dalton, D.O.'s NPI number?

Rachel Marie Hatfield Dalton, D.O.'s National Provider Identifier (NPI) is 1235360199, issued on Jul 27, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Rachel Marie Hatfield Dalton, D.O. located?

The NPPES record lists a practice address at 1505 Eastland Dr Ste 2200, Bloomington, IL, 61701. Phone: (309) 454-3456. Providers update this record themselves, so call before visiting.

How can I verify Rachel Marie Hatfield Dalton, D.O.'s license?

NPPES lists Illinois license number 125052728, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Rachel Marie Hatfield Dalton, D.O. prescribe under Medicare Part D?

In 2024, Rachel Marie Hatfield Dalton, D.O. had 108 Medicare Part D claims for 40 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.