Mark Winthrop Crandall, MD
Psychiatry Physician · Owings Mills, MD
Mark Winthrop Crandall, MD is a psychiatry physician with a practice address in Owings Mills, Maryland, and NPI 1841333531, issued on Feb 14, 2007. Check the license (Maryland D0023593, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Mark Winthrop Crandall
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- D0023593 MD
Self-reported in NPPES; status is on the state search - Practice location
- 11421 Reisterstown RD, Owings Mills, MD 21117
- Phone
- (410) 356-2884
- Enumerated
- Feb 14, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (410) 833-8174
- Medicare enrollment
- Enrolled (PECOS I20080807000077); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 1978
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →
Verify Mark Winthrop Crandall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0023593Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average psychiatry physician in 2024
1,190 Medicare Part D claims for 65 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 52 claims were for opioids.
Most prescribed
- Clonazepam108 claims
- Lorazepam75 claims
- Dextroamphetamine-Amphetamine65 claims
- Escitalopram Oxalate48 claims
- Lamotrigine43 claims
- Alprazolam39 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: $632.77
30 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 13,693 providers of this specialty with any payment received $4,954.93 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.
Mark Winthrop Crandall among 1,451 psychiatry physician records in Maryland
Mark Winthrop Crandall, MD is one of 1,451 psychiatry physician records with a practice address in Maryland. 63% 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 41% of them.
- NPI issued2007 · 41% of these records are older, 38% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 36% of these records are
- Graduated1978 · median 2000 among the 525 with a school on file
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Maryland
There are 1,451 psychiatry physician records in Maryland.
All 1,451 in Maryland → Every provider in Owings Mills → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Marian Caplan, MDOwings Mills, MD 211171477470466
- Angela Nduaguba-Ezumba, D.O.Owings Mills, MD 211171669568796
- Jill Joyce, MDCrofton, MD 211141245322510
- Joel Hassman, M.D.Millersville, MD 211081669433777
- Chang-Wuk Kang, MDMillersville, MD 211081457373482
- Jemima Pierre-Jacques, DNP, CRNP, PMHNP-BCMillersville, MD 211081861091852
- Patricia KimeuPerry Hall, MD 211281730047614
- Jyothi Arun, M.D.Randallstown, MD 211331811040694
Common questions
What is Mark Winthrop Crandall, MD's NPI number?
Mark Winthrop Crandall, MD's National Provider Identifier (NPI) is 1841333531, issued on Feb 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Winthrop Crandall, MD located?
The NPPES record lists a practice address at 11421 Reisterstown RD, Owings Mills, MD, 21117. Phone: (410) 356-2884. Providers update this record themselves, so call before visiting.
How can I verify Mark Winthrop Crandall, MD's license?
NPPES lists Maryland license number D0023593, 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 Mark Winthrop Crandall, MD prescribe under Medicare Part D?
In 2024, Mark Winthrop Crandall, MD had 1,190 Medicare Part D claims for 65 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.