Mary McCrossan, MD
Family Medicine Physician · Wilmington, DE
Mary McCrossan, MD is a family medicine physician with a practice address in Wilmington, Delaware, and NPI 1891868832, issued on Nov 16, 2006. Check the license (Delaware C10004850, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Mary McCrossan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C10004850 DE
Self-reported in NPPES; status is on the state search - Practice location
- 701 N Clayton St Ste 200, Wilmington, DE 19805
- Phone
- (302) 575-8041
- Enumerated
- Nov 16, 2006
- Record last updated
- May 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (302) 575-8005
- Medicare enrollment
- Enrolled (PECOS I20050314000349); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 518 in Delaware → Look up another NPI →
Verify Mary McCrossan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C10004850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
27 Medicare Part D claims for 13 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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: $56.48
1 payment: food and beverage; the largest payer was Kerecis Limited. The 55,478 providers of this specialty with any payment received $902.55 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 one group practice
- St Francis Hospital IncWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary McCrossan among 518 family medicine physician records in Delaware
Mary McCrossan, MD is one of 518 family medicine physician records with a practice address in Delaware. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 49% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1982 · median 2002 among the 323 with a school on file
- Record last updated2021 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
163 family medicine physician records list a practice address in Wilmington
They are 163 of the 6,291 NPPES records with a practice address in Wilmington, and 518 family medicine physician records in Delaware.
All 518 in Delaware → Every provider in Wilmington → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Hugh Bonner, MDWilmington, DE 198051699761288
- James Gill, MDWilmington, DE 198051982689212
- Camille Goodspeed, DOWilmington, DE 198051689673337
- David Hack, MDWilmington, DE 198051861401903
- Helen Karalis, D.O.Wilmington, DE 198051881650729
- David Krasner, D.O.Wilmington, DE 198051629017447
- Gene Lee, M.D.Wilmington, DE 198051669489092
- Brian McDonough, MDWilmington, DE 198051124037262
Common questions
What is Mary McCrossan, MD's NPI number?
Mary McCrossan, MD's National Provider Identifier (NPI) is 1891868832, issued on Nov 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary McCrossan, MD located?
The NPPES record lists a practice address at 701 N Clayton St Ste 200, Wilmington, DE, 19805. Phone: (302) 575-8041. Providers update this record themselves, so call before visiting.
How can I verify Mary McCrossan, MD's license?
NPPES lists Delaware license number C10004850, 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 Mary McCrossan, MD prescribe under Medicare Part D?
In 2024, Mary McCrossan, MD had 27 Medicare Part D claims for 13 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.