DR. CRYSTAL SIMPSON M.D.
NPI 1952341695
Family Medicine - Geriatric Medicine in Parkville, MD
About Dr. Crystal Simpson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CRYSTAL SIMPSON M.D. (NPI 1952341695) is an individual geriatric medicine provider in Parkville, Maryland, licensed in Maryland (D54502) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Greater Baltimore Medical Center, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
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
Dr. Crystal Simpson M.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.
Medicare Billing Reassignment
Medicare enrollment records show Crystal Simpson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21234
- Reassigned Medicare billing, Maryland enrollment
- 28 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Greater Baltimore Medical Center
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21234 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21234
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 Crystal Simpson's NPI number?
The NPI number for Crystal Simpson is 1952341695. It was assigned to this individual provider in the NPPES registry on June 8, 2006.
Where is Crystal Simpson located?
Crystal Simpson practices at 8800 Walther Blvd, Parkville, MD 21234. The listed phone number is (410) 882-3240.
What is Crystal Simpson's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.
Is Crystal Simpson enrolled in Medicare?
Yes. Crystal Simpson 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 Crystal Simpson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Crystal Simpson reassigns Medicare benefits to Erickson Health Medical Group Of Maryland PC (Baltimore, 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 Crystal Simpson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Crystal Simpson affiliated with any hospitals?
According to CMS data, Crystal Simpson is affiliated with Greater Baltimore Medical Center.
When was this NPI record last updated?
The NPPES record for Crystal Simpson was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Dr. Crystal Simpson, M.D. · NPI 1952341695
Geriatric Medicine physician in Parkville, Maryland. Individual provider, active in the CMS NPPES registry since June 8, 2006.
## Identity
- **NPI:** 1952341695 (Entity type: Individual)
- **Enumerated:** June 8, 2006
- **Primary specialty:** Family Medicine - Geriatric Medicine · taxonomy 207QG0300X
- **State license:** D54502 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 8800 WALTHER BLVD, Parkville, MD 21234-9001
- **Phone:** (410) 882-3240
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Erickson Health Medical Group Of Maryland PC (NPI 1093735474, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers New Jersey Medical School, class of 1996
## Record status
- **NPPES last updated:** July 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1952341695) · Data from the CMS NPPES public registry.