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DR. MARK WINTHROP CRANDALL MD
NPI 1841333531
Psychiatry & Neurology - Psychiatry in Owings Mills, MD

Active since February 14, 2007PECOS EnrolledAccepts Medicare Assignment
11421 REISTERSTOWN RD, OWINGS MILLS, MD 21117(410) 356-2884(410) 833-8174 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. Mark Winthrop Crandall Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK WINTHROP CRANDALL MD (NPI 1841333531) is an individual psychiatry provider in Owings Mills, Maryland, licensed in Maryland (D0023593) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Louisville School Of Medicine (1978).

NPPES Registry Identity

NPI1841333531
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MARK WINTHROP CRANDALLCredential: MD
Location Address11421 REISTERSTOWN RDOwings Mills, MD 21117-1813
Mailing Address510 Deacon Brook CirReisterstown, MD 21136-2212 · (410) 356-2884 · Fax (410) 833-8174
Phone(410) 356-2884
Fax(410) 833-8174
Sole ProprietorYes
Medical School CMSUniversity Of Louisville School Of MedicineGraduated 1978
Enumeration DateFebruary 14, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1841333531 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in MD · D0023593
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
11421 REISTERSTOWN RD, Owings Mills, MD 21117
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Other Identifiers 2

Medicare ID-Type Unspecified2494MWMD
Medicare UPIND77683MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark Winthrop Crandall Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6608940739
PECOS Enrollment IDI20080807000077
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
361 services38 patients
Psychotherapy with evaluation and management visit, 1 hour 90838
Psychotherapy with evaluation and management is a one-hour session where a mental health professional assesses your psychological state and discusses treatment options. This process aims to understand your feelings, thoughts, and behaviors to improve your overall well-being.
286 services31 patients
Psychotherapy with evaluation and management visit, 45 minutes 90836
Psychotherapy with evaluation and management is a 45-minute session where a healthcare provider discusses your mental and emotional health. They assess your current state, manage any issues, and help you develop coping strategies. This service aims to improve your overall well-being.
162 services32 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
111 services18 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
24 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21117 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$183.44 typical visit price
range $60.73 – $183.44
Typical copayment $45.86 (range $15.18 – $45.86)
Most-billed visit code 99205
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARK W CRANDALL MDPA
Clinic/Center (Mental Health (Including Community Mental Health Center))
11421 REISTERSTOWN RD
OWINGS MILLS, MD 21117
Baltimore County (410) 356-2884

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Crandall's NPI number?

The NPI number for Mark Crandall is 1841333531. It was assigned to this individual provider in the NPPES registry on February 14, 2007.

Where is Mark Crandall located?

Mark Crandall practices at 11421 Reisterstown Rd, Owings Mills, MD 21117. The listed phone number is (410) 356-2884.

What is Mark Crandall's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Mark Crandall enrolled in Medicare?

Yes. Mark Crandall is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mark Crandall was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.