ROBERTO LARIOS M.D.
NPI 1679771588
Family Medicine in Leominster, MA
About Roberto Larios M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERTO LARIOS M.D. (NPI 1679771588) is an individual family medicine provider in Leominster, Massachusetts, licensed in Massachusetts (241774) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Roberto Larios 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
11Medicare enrollment records show Roberto Larios reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Leominster, MA 01453
- Reassigned Medicare billing, Massachusetts enrollment
- 18 clinicians in this Medicare group
Marlborough, MA 01752
- Reassigned Medicare billing, Massachusetts enrollment
- 88 clinicians in this Medicare group
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 clinicians in this Medicare group
Westborough, MA 01581
- Reassigned Medicare billing, Massachusetts enrollment
- 4 clinicians in this Medicare group
Worcester, MA 01608
- Reassigned Medicare billing, Massachusetts enrollment
- 31 clinicians in this Medicare group
Concord, MA 01742
- Reassigned Medicare billing, Massachusetts enrollment
- 451 clinicians in this Medicare group
Lowell, MA 01854
- Reassigned Medicare billing, Massachusetts enrollment
- 109 clinicians in this Medicare group
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- 1,103 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 101 clinicians in this Medicare group
Westwood, MA 02090
- Reassigned Medicare billing, Massachusetts enrollment
- 22 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 11
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Umass Memorial Healthalliance Hospitals
Acute Care Hospitals · Leominster, MALowell General Hospital
Acute Care Hospitals · Lowell, MAEmerson Hospital -
Acute Care Hospitals · W Concord, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01453 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 14
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Roberto Larios's NPI number?
The NPI number for Roberto Larios is 1679771588. It was assigned to this individual provider in the NPPES registry on July 3, 2007.
Where is Roberto Larios located?
Roberto Larios practices at 60 Hospital Road, Leominster, MA 01453. The listed phone number is (978) 466-4169.
What is Roberto Larios's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Roberto Larios enrolled in Medicare?
Yes. Roberto Larios 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 Roberto Larios's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Roberto Larios reassigns Medicare benefits to 11 organizations: Mass Lung & Allergy, PC. (Leominster, MA), Marlborough Hospitalist Group, PLLC (Marlborough, MA), Umass Memorial Medical Group Inc (Worcester, MA), Row Medical Group PC (Westborough, MA), New England Hospitalists PC (Worcester, MA) and 6 more organizations, listed in the Medicare section above. 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 Roberto Larios's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Roberto Larios accept?
Health plans from Taro Health list Roberto Larios 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.
Is Roberto Larios affiliated with any hospitals?
According to CMS data, Roberto Larios is affiliated with Umass Memorial Healthalliance Hospitals, Lowell General Hospital and Emerson Hospital -.
When was this NPI record last updated?
The NPPES record for Roberto Larios was last updated on November 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Roberto Larios, M.D. · NPI 1679771588
Family Medicine physician in Leominster, Massachusetts. Individual provider, active in the CMS NPPES registry since July 3, 2007.
## Identity
- **NPI:** 1679771588 (Entity type: Individual)
- **Enumerated:** July 3, 2007
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 241774 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 60 HOSPITAL ROAD, Leominster, MA 01453-2205
- **Phone:** (978) 466-4169 · **Fax:** (978) 466-4164
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): Mass Lung & Allergy, PC. (NPI 1679734545, Leominster, MA); Marlborough Hospitalist Group, PLLC (NPI 1316639321, Marlborough, MA); Umass Memorial Medical Group Inc (NPI 1760445373, Worcester, MA); Row Medical Group PC (NPI 1902320807, Westborough, MA); New England Hospitalists PC (NPI 1487803052, Worcester, MA); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** November 9, 2020
- **Other identifiers:** Medicaid 110072006A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1679771588) · Data from the CMS NPPES public registry.