Catherine Johnson Casto, MD
Obstetrics & Gynecology Physician · Salisbury, MD
Catherine Johnson Casto, MD is an obstetrics & gynecology physician with a practice address in Salisbury, Maryland, and NPI 1619950961, issued on Nov 21, 2005. Check the license (Maryland D0056204, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Catherine Johnson Casto
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- D0056204 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1647 Woodbrooke Dr, Salisbury, MD 21804
- Phone
- (410) 546-2424
- Enumerated
- Nov 21, 2005
- Record last updated
- Oct 16, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (410) 742-6633
- Medicaid ID
- 119591300 MD
- Medicare enrollment
- Enrolled (PECOS I20101021001054); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1647 Woodbrooke Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shannon Biesterfeld, CRNMAdvanced Practice Midwife1972062891
- Sarah Brissey, CRNMAdvanced Practice Midwife1366023798
- Austin Chen, M.D.Obstetrics & Gynecology Physician1366490898
- Jamie Dapper, CRNMAdvanced Practice Midwife1386408359
- Blythe Eberle, CRNMAdvanced Practice Midwife1962173708
- Jason Evans, MDObstetrics & Gynecology Physician1487637385
Verify Catherine Johnson Casto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0056204Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.7 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
779 Medicare Part D claims for 228 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Estradiol252 claims
- Alendronate Sodium79 claims
- Clobetasol Propionate49 claims
- Premarin47 claims
- Clotrimazole-Betamethasone32 claims
- Norethindron-Ethinyl Estradiol31 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: $197.09
9 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Three Lower Counties Community Services IncPrincess Anne, MD
- Tidalhealth Specialty Care LLCSalisbury, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
27 obstetrics & gynecology physician records list a practice address in Salisbury
They are 27 of the 2,292 NPPES records with a practice address in Salisbury, and 1,034 obstetrics & gynecology physician records in Maryland.
All 27 in Salisbury → All 1,034 in Maryland → Every provider in Salisbury →
Other obstetrics & gynecology physician records in Maryland
- Fouad AbbasBaltimore, MD1023087699
- Alexandra Abbate, MDBaltimore, MD1194287003
- Basma Abdo, M.DBaltimore, MD1922302652
- Tolani Abdulkadir, MDBaltimore, MD1699734293
- Sozdar Abed, MDEaston, MD1356572390
- Sandra Abraham-Hebert, M.D.Silver Spring, MD1487603080
- Francoise Abrams, MDClarksville, MD1477527448
- Silvia Abularach, M.D.Waldorf, MD1427341593
- Debra Acerenza, D.O.Frederick, MD1932181781
- Christopher Ackerman, DO, MBSCumberland, MD1356875843
Common questions
What is Catherine Johnson Casto, MD's NPI number?
Catherine Johnson Casto, MD's National Provider Identifier (NPI) is 1619950961, issued on Nov 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Johnson Casto, MD located?
The NPPES record lists a practice address at 1647 Woodbrooke Dr, Salisbury, MD, 21804. Phone: (410) 546-2424. Providers update this record themselves, so call before visiting.
How can I verify Catherine Johnson Casto, MD's license?
NPPES lists Maryland license number D0056204, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Catherine Johnson Casto, MD prescribe under Medicare Part D?
In 2024, Catherine Johnson Casto, MD had 779 Medicare Part D claims for 228 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.