DAEMEON ACHILLES NICOLAOU MD
NPI 1427219120
Orthopaedic Surgery in St. Louis, MO
About Daemeon Achilles Nicolaou Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAEMEON ACHILLES NICOLAOU MD (NPI 1427219120) is an individual orthopaedic surgery provider in St. Louis, Missouri, licensed in California (A111473) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in St. Louis, and is a graduate of University Of Michigan Medical School (2008).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Daemeon Achilles Nicolaou 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.
Medicare Billing Reassignment
Medicare enrollment records show Daemeon Nicolaou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newark, CA 94560
- Reassigned Medicare billing, California enrollment
- 900 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Daemeon Nicolaou's NPI number?
The NPI number for Daemeon Nicolaou is 1427219120. It was assigned to this individual provider in the NPPES registry on June 24, 2008.
Where is Daemeon Nicolaou located?
Daemeon Nicolaou practices at 3635 Vista Ave 7th Floor Desloge Towers, St. Louis, MO 63110. The listed phone number is (314) 577-8850.
What is Daemeon Nicolaou's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Daemeon Nicolaou enrolled in Medicare?
Yes. Daemeon Nicolaou 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 Daemeon Nicolaou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daemeon Nicolaou reassigns Medicare benefits to Alameda Health System (Newark, CA). 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 Daemeon Nicolaou'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 Daemeon Nicolaou was last updated on April 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Daemeon Achilles Nicolaou, MD · NPI 1427219120
Orthopaedic Surgery physician in St. Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 24, 2008.
## Identity
- **NPI:** 1427219120 (Entity type: Individual)
- **Enumerated:** June 24, 2008
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** A111473 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3635 VISTA AVE, 7TH FLOOR DESLOGE TOWERS, St. Louis, MO 63110
- **Phone:** (314) 577-8850 · **Fax:** (314) 268-5121
## 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:** Alameda Health System (NPI 1497956288, Newark, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2008
## Record status
- **NPPES last updated:** April 12, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1427219120) · Data from the CMS NPPES public registry.