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CAROL ANN SIMS PH.D.
NPI 1043275845
Psychologist - Adult Development & Aging in Laytonsville, MD

Active since April 18, 2006PECOS EnrolledAccepts Medicare Assignment
21500 QUICK FOX LN, LAYTONSVILLE, MD 20882(301) 721-8278(301) 990-6011 Get Directions Write a Review

NPPES record last updated: September 24, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Carol Ann Sims Ph.d. NPPES

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

CAROL ANN SIMS PH.D. (NPI 1043275845) is an individual adult development & aging provider in Laytonsville, Maryland, licensed in Maryland (01959) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1983).

NPPES Registry Identity

NPI1043275845
Entity TypeIndividualFemale
Primary Taxonomy103TA0700X
Provider Legal NameCAROL ANN SIMSCredential: PH.D.
Location Address21500 QUICK FOX LNLaytonsville, MD 20882-1340
Mailing Address21500 Quick Fox LnLaytonsville, MD 20882-1340 · (301) 721-8278 · Fax (301) 990-6011
Phone(301) 721-8278
Fax(301) 990-6011
Sole ProprietorNo
Medical School CMSOtherGraduated 1983
Enumeration DateApril 18, 2006
Last NPPES UpdateSeptember 24, 2019
✔ NPI 1043275845 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · Adult Development & AgingBehavioral Health & Social Service Providers
Taxonomy Code103TA0700X
License✔ Licensed in MD · 01959
Definition
A psychologist who specializes in geropsychology, which applies the knowledge and methods of psychology to understanding and helping older persons and their families to maintain well-being, overcome problems and achieve maximum potential during later life. Professional geropsychology appreciates the wide diversity among older adults, the complex ethical issues that can arise in geriatric practice and the importance of interdisciplinary models of care.
21500 QUICK FOX LN, Laytonsville, MD 20882
Open in Google Maps ↗

Other Identifiers 4

Other001809024MD · Highmark Blue Shield
Other884ACAMD · Care First Bc/bs
Other0177-0001DC · Care First Bc/bs
Medicaid049451800MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Carol Ann Sims Ph.d. 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 ID8123094984
PECOS Enrollment IDI20051207000151
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.

Medicare Billing Reassignment

Medicare enrollment records show Carol Sims reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dr. Carol A Sims And Associates, LLC.
Same address
Clinical
21500 QUICK FOX LN
Laytonsville, MD 20882
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
NPI 1689621732 (240) 888-2239

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

Areas of Expertise CMS Part B claims 3

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.

Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
823 services65 patients
Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
50 services19 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
29 services29 patients

Other Providers at the Same Location NPPES

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

DR. CAROL A SIMS AND ASSOCIATES, LLC.
Psychologist (Clinical)
21500 QUICK FOX LN
LAYTONSVILLE, MD 20882
Montgomery County (240) 888-2239

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 Carol Sims's NPI number?

The NPI number for Carol Sims is 1043275845. It was assigned to this individual provider in the NPPES registry on April 18, 2006.

Where is Carol Sims located?

Carol Sims practices at 21500 Quick Fox Ln, Laytonsville, MD 20882. The listed phone number is (301) 721-8278.

What is Carol Sims's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Adult Development & Aging, with taxonomy code 103TA0700X.

Is Carol Sims enrolled in Medicare?

Yes. Carol Sims 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.

Which organization bills Medicare for Carol Sims's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carol Sims reassigns Medicare benefits to Dr. Carol A Sims And Associates, LLC. (Laytonsville, MD). The 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 Carol Sims's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Carol Sims was last updated on September 24, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.