NPPES file of Aug 9, 2026

Angela Diane Caswell-Monack, DO

Obstetrics Physician · Lewes, DE

Angela Diane Caswell-Monack, DO is an obstetrics physician with a practice address in Lewes, Delaware, and NPI 1568781193, issued on May 21, 2010. Check the license (Delaware C2-0010791, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; 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
1568781193
Name
Angela Diane Caswell-Monack
Credential
DO
Primary taxonomy
Obstetrics Physician 207VX0000X
License number
C2-0010791 DE
Self-reported in NPPES; status is on the state search
Practice location
17637 Shady RD Ste 201, Lewes, DE 19958
Phone
(302) 257-5372
Enumerated
May 21, 2010
Record last updated
Jun 16, 2025
Fax
(833) 989-2120
Medicare enrollment
Enrolled (PECOS I20140807001092); accepts Medicare assignment
Medical or professional school
Lake Erie College Of Osteopathic Medicine, Erie, 2010
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 Angela Diane Caswell-Monack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
    Search for license C2-0010791
    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 Delaware license search

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2.5 times the Medicare Part D claims of the average obstetrics physician in 2024

538 Medicare Part D claims for 172 beneficiaries, against an average of 218 among the 863 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Angela Caswell-Monack538
  2. Specialty average218

Most prescribed

  1. Estradiol144 claims
  2. Premarin35 claims
  3. Valacyclovir31 claims
  4. Clobetasol Propionate29 claims
  5. Fluconazole24 claims
  6. Nitrofurantoin Mono-Macro15 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.

Industry payments in 2024: $57.91

2 payments; by number, the most common kind was food and beverage; the largest payer was Galderma Laboratories, L.P. The 679 providers of this specialty with any payment received $826.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Angela Caswell-Monack$57.91
  2. Specialty average$826.19

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

Bills Medicare through one group practice

  1. Womens Wellness OF Southern Delaware LLCLewes, DE

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

Obstetrics Physician providers in Delaware

There are 2 obstetrics physician records in Delaware.

The 1 obstetrics physician record with the nearest ZIP codes

  1. Alton Trott, D.O.Dover, DE 199041952578353

Common questions

What is Angela Diane Caswell-Monack, DO's NPI number?

Angela Diane Caswell-Monack, DO's National Provider Identifier (NPI) is 1568781193, issued on May 21, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Angela Diane Caswell-Monack, DO located?

The NPPES record lists a practice address at 17637 Shady RD Ste 201, Lewes, DE, 19958. Phone: (302) 257-5372. Providers update this record themselves, so call before visiting.

How can I verify Angela Diane Caswell-Monack, DO's license?

NPPES lists Delaware license number C2-0010791, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Angela Diane Caswell-Monack, DO prescribe under Medicare Part D?

In 2024, Angela Diane Caswell-Monack, DO had 538 Medicare Part D claims for 172 beneficiaries; the average among obstetrics physician prescribers was 218. 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.