NPPES file of Aug 9, 2026

Julie Messimer, M.D.

Obstetrics & Gynecology Physician · Bloomsburg, PA

Julie Messimer, M.D. is an obstetrics & gynecology physician with a practice address in Bloomsburg, Pennsylvania, and NPI 1649497967, issued on Apr 19, 2007. Check the license (Pennsylvania MT187267, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1649497967
Name
Julie Messimer
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
MT187267 PA
Self-reported in NPPES; status is on the state search
Practice location
425 E 1St St, Bloomsburg, PA 17815
Phone
(570) 387-2474
Enumerated
Apr 19, 2007
Record last updated
Aug 17, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(570) 387-2397
Medicare enrollment
Enrolled (PECOS I20130301000369); accepts Medicare assignment
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 425 E 1St St

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

  1. Rebecca Anderson, CNMAdvanced Practice Midwife1548824105
  2. Carol Bath, RNAmbulatory Women's Health Care Registered Nurse1609367903
  3. Jacquelyn Buff, CRNPNurse Practitioner1992179030
  4. Amy Everett, D.O.Pediatrics Physician1437126752
  5. Shelley Faris, CNMAdvanced Practice Midwife1902189129
  6. Molly Fragale, CNMAdvanced Practice Midwife1255956298

Verify Julie Messimer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MT187267
    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 Pennsylvania 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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13% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

186 Medicare Part D claims for 68 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Julie Messimer186
  2. Specialty average165

Most prescribed

  1. Premarin22 claims
  2. Medroxyprogesterone Acetate18 claims
  3. Estradiol17 claims
  4. Norethindrone17 claims
  5. Fluconazole14 claims
  6. Ibuprofen13 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. Geisinger ClinicBloomsburg, PA

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

Julie Messimer among 1,974 obstetrics & gynecology physician records in Pennsylvania

Julie Messimer, M.D. is one of 1,974 obstetrics & gynecology physician records with a practice address in Pennsylvania. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 49% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2005 · median 2007 among the 1,176 with a school on file
  • Record last updated2020 · 58% 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 Pennsylvania 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 Pennsylvania

There are 1,974 obstetrics & gynecology physician records in Pennsylvania.

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

  1. Marcel Favetta, M.D.Bloomsburg, PA 178151114994472
  2. Hannah Harvey, PA-CBloomsburg, PA 178151336968015
  3. Felicia Hawkins, MDBloomsburg, PA 178151144531260
  4. Myron Levine, MDBloomsburg, PA 178151437235157
  5. Robert Lozo, MDBloomsburg, PA 178151548451305
  6. Wayne Cooper, M.D.Danville, PA 178221831165208
  7. Stephen Kozloff, M.D.Danville, PA 178221629038872
  8. Vatche Minassian, M.D.Danville, PA 178221598728081

Common questions

What is Julie Messimer, M.D.'s NPI number?

Julie Messimer, M.D.'s National Provider Identifier (NPI) is 1649497967, issued on Apr 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Julie Messimer, M.D. located?

The NPPES record lists a practice address at 425 E 1St St, Bloomsburg, PA, 17815. Phone: (570) 387-2474. Providers update this record themselves, so call before visiting.

How can I verify Julie Messimer, M.D.'s license?

NPPES lists Pennsylvania license number MT187267, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Julie Messimer, M.D. prescribe under Medicare Part D?

In 2024, Julie Messimer, M.D. had 186 Medicare Part D claims for 68 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.