NPPES file of Aug 9, 2026

Caroline Cassling, M.D.

Obstetrics & Gynecology Physician · Portland, ME

Caroline Cassling, M.D. is an obstetrics & gynecology physician with a practice address in Portland, Maine, and NPI 1760860787, issued on May 11, 2015. Check the license (Maine MD23066, as entered in NPPES) on the Maine Board of Licensure in Medicine; 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
1760860787
Name
Caroline Cassling
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
MD23066 ME
Self-reported in NPPES; status is on the state search
Practice location
84 Marginal Way Ste 900, Portland, ME 04101
Phone
(207) 874-2445
Enumerated
May 11, 2015
Record last updated
Mar 3, 2026
Fax
(207) 523-8598
Medicare enrollment
Enrolled (PECOS I20190909001828); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 2015
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 84 Marginal Way Ste 900

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

  1. Angela Ferrante, NPFamily Nurse Practitioner1053761650
  2. Caroline Foust-Wright, MDUrogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1669606521
  3. Joelle Gagnon, DOObstetrics & Gynecology Physician1285051318
  4. Kellee Gorgone, FNP-CFamily Nurse Practitioner1588289961
  5. Lauren Hunter, CNMAdvanced Practice Midwife1962784280
  6. Chelsea JordanWomen's Health Nurse Practitioner1174083141

Verify Caroline Cassling in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license MD23066    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 Maine license search

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52% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

80 Medicare Part D claims for 36 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. Caroline Cassling80
  2. Specialty average165

Most prescribed

  1. Estradiol25 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. Intermed PAPortland, ME

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

Obstetrics & Gynecology Physician providers in Maine

There are 205 obstetrics & gynecology physician records in Maine.

All 205 in Maine → Every provider in Portland →

Other obstetrics & gynecology physician records in Maine

  1. Morgan Abbey, M.D.Augusta, ME1851823033
  2. Ann Adams, MDPortland, ME1902865025
  3. Carol Altman, MDPortland, ME1285693309
  4. Jeffrey Amos, MDBelfast, ME1366977878
  5. Alec Anderson, MDBangor, ME1053724757
  6. Lisa Anderson, MDBrunswick, ME1881798874
  7. Jeannette Andrews, DONorway, ME1104020908
  8. Kevin Andrews, M.D.Scarborough, ME1205826534
  9. Tara Aumand, M.DFarmington, ME1265528863
  10. Jacques Belair, M.D.Farmington, ME1750312567

Common questions

What is Caroline Cassling, M.D.'s NPI number?

Caroline Cassling, M.D.'s National Provider Identifier (NPI) is 1760860787, issued on May 11, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Caroline Cassling, M.D. located?

The NPPES record lists a practice address at 84 Marginal Way Ste 900, Portland, ME, 04101. Phone: (207) 874-2445. Providers update this record themselves, so call before visiting.

How can I verify Caroline Cassling, M.D.'s license?

NPPES lists Maine license number MD23066, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Caroline Cassling, M.D. prescribe under Medicare Part D?

In 2024, Caroline Cassling, M.D. had 80 Medicare Part D claims for 36 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.