DARIA M KAROS M.D.
NPI 1710935416
Pediatrics in Fitchburg, MA
About Daria M Karos M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DARIA M KAROS M.D. (NPI 1710935416) is an individual pediatrics provider in Fitchburg, Massachusetts, licensed in Massachusetts (74153) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Rutgers New Jersey Medical School (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 10
Accepted Insurance
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
Daria M Karos 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 Daria Karos reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Concord, MA 01742
- Reassigned Medicare billing, Massachusetts enrollment
- 1,317 clinicians in this Medicare group
Framingham, MA 01702
- Reassigned Medicare billing, Massachusetts enrollment
- 6 clinicians in this Medicare group
Lawrence, MA 01840
- Reassigned Medicare billing, Massachusetts enrollment
- 15 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 5
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 01420 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FITCHBURG, MA 01420
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 Daria Karos's NPI number?
The NPI number for Daria Karos is 1710935416. It was assigned to this individual provider in the NPPES registry on May 4, 2006.
Where is Daria Karos located?
Daria Karos practices at 881 South St, Fitchburg, MA 01420. The listed phone number is (978) 342-4437.
What is Daria Karos's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Daria Karos enrolled in Medicare?
Yes. Daria Karos 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 Daria Karos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daria Karos reassigns Medicare benefits to 3 organizations: Atrius Health, Inc. (Concord, MA), New Horizons Medical, Inc. (Framingham, MA) and Vk New England Management LLC (Lawrence, MA). 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 Daria Karos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Daria Karos accept?
Health plans from Anthem Blue Cross and Blue Shield list Daria Karos as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Daria Karos was last updated on March 13, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Daria M Karos, M.D. · NPI 1710935416
Pediatrics physician in Fitchburg, Massachusetts. Individual provider, active in the CMS NPPES registry since May 4, 2006.
## Identity
- **NPI:** 1710935416 (Entity type: Individual)
- **Enumerated:** May 4, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 74153 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 881 SOUTH ST, Fitchburg, MA 01420-6252
- **Phone:** (978) 342-4437 · **Fax:** (978) 343-6572
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Atrius Health, Inc. (NPI 1265655799, Concord, MA); New Horizons Medical, Inc. (NPI 1487983342, Framingham, MA); Vk New England Management LLC (NPI 1114263449, Lawrence, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers New Jersey Medical School, class of 1986
## Record status
- **NPPES last updated:** March 13, 2012
- **Other identifiers:** Other J11237 (MA); Medicaid 3078621 (MA); Other 201047951 (MA); and 7 more
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Source: [NPI Profile](https://npiprofile.com/npi/1710935416) · Data from the CMS NPPES public registry.