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MELISSA C. CROOKSHANK MD LLC
NPI 1700193307
Psychiatry & Neurology - Psychiatry in Philadelphia, PA

Active since September 03, 2010
829 SPRUCE ST, SUITE 302, PHILADELPHIA, PA 19107(215) 829-5611 Get Directions Write a Review

NPPES record last updated: September 3, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Melissa C. Crookshank Md Llc NPPES

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

MELISSA C. CROOKSHANK MD LLC (NPI 1700193307) is a healthcare organization registered as a psychiatry in Philadelphia, Pennsylvania and active in the NPI registry since September 2010. The organization lists Melissa Catherine Crookshank, Owner, as its authorized official.

NPPES Registry Identity

NPI1700193307
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameMELISSA C. CROOKSHANK MD LLC
Location Address829 SPRUCE ST, SUITE 302Philadelphia, PA 19107-5752
Mailing Address646 Lincoln Hwy, Suite 7Fairless Hills, PA 19030-1410 · (215) 295-1717
Phone(215) 829-5611
Organization SubpartNo
Authorized OfficialMelissa Catherine CrookshankOwner · (215) 829-5611
Enumeration DateSeptember 3, 2010
✔ NPI 1700193307 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 PA · MD437211
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.
829 SPRUCE ST, Philadelphia, PA 19107
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Melissa C. Crookshank Md Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StatePennsylvaniaEnrollment IDO20110103000912Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Melissa C. Crookshank MD LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Melissa Crookshank, M.D.
Psychiatry
NPI 1558522490
829 SPRUCE ST SUITE 302
Philadelphia, PA 19107
(215) 829-5611
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Melissa C. Crookshank MD LLC's NPI number?

The NPI number for Melissa C. Crookshank MD LLC is 1700193307. It was assigned to this organization in the NPPES registry on September 3, 2010.

Where is Melissa C. Crookshank MD LLC located?

Melissa C. Crookshank MD LLC is located at 829 Spruce St Suite 302, Philadelphia, PA 19107. The listed phone number is (215) 829-5611.

What is Melissa C. Crookshank MD LLC's specialty?

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

Is Melissa C. Crookshank MD LLC enrolled in Medicare?

Yes. Melissa C. Crookshank MD LLC is registered in the Medicare PECOS enrollment system.

When is Melissa C. Crookshank MD LLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Pennsylvania, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Melissa C. Crookshank MD LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Melissa C. Crookshank MD LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Melissa C. Crookshank MD LLC was last updated on September 3, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.