CURTIS W OLLAYOS M.D.
NPI 1114032612
Pathology - Cytopathology in Baltimore, MD
About Curtis W Ollayos M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CURTIS W OLLAYOS M.D. (NPI 1114032612) is an individual cytopathology provider in Baltimore, Maryland, licensed in Maryland (D0039177) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Saint Agnes Hospital, and is a graduate of University Of Connecticut School Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
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
Curtis W Ollayos 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 Reassignments
3Medicare enrollment records show Curtis Ollayos reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21229
- Reassigned Medicare billing, Maryland enrollment
- 20 clinicians in this Medicare group
Baltimore, MD 21229
- Reassigned Medicare billing, Maryland enrollment
- 22 clinicians in this Medicare group
Chestertown, MD 21620
- Reassigned Medicare billing, Maryland enrollment
- 172 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.
Areas of Expertise CMS Part B claims 21
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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Saint Agnes Hospital
Acute Care Hospitals · Baltimore, MDCarroll Hospital Center
Acute Care Hospitals · Westminster, MDNorthwest Hospital Center
Acute Care Hospitals · Randallstown, MDUmd Upper Chesapeake Medical Center
Acute Care Hospitals · Bel Air, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21229 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21229
BALTIMORE, MD 21229
BALTIMORE, MD 21229
BALTIMORE, MD 21229
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 Curtis Ollayos's NPI number?
The NPI number for Curtis Ollayos is 1114032612. It was assigned to this individual provider in the NPPES registry on August 21, 2006.
Where is Curtis Ollayos located?
Curtis Ollayos practices at 3455 Wilkens Ave Ste 208, Baltimore, MD 21229. The listed phone number is (410) 644-4320.
What is Curtis Ollayos's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Cytopathology, with taxonomy code 207ZC0500X.
Is Curtis Ollayos enrolled in Medicare?
Yes. Curtis Ollayos 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 organizations bill Medicare for Curtis Ollayos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Curtis Ollayos reassigns Medicare benefits to 3 organizations: Drs Hicken Cranley Taylor PA (Baltimore, MD), Hct Pathology Services LLC (Baltimore, MD) and Chester River Hospital Center (Chestertown, MD). Each 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 Curtis Ollayos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Curtis Ollayos affiliated with any hospitals?
According to CMS data, Curtis Ollayos is affiliated with Saint Agnes Hospital, Carroll Hospital Center, Northwest Hospital Center and Umd Upper Chesapeake Medical Center.
When was this NPI record last updated?
The NPPES record for Curtis Ollayos was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.