MR. DATSON MARIAN PEREIRA M.B.B.S.
NPI 1750886859
Internal Medicine in Worcester, MA
About Mr. Datson Marian Pereira M.b.b.s. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. DATSON MARIAN PEREIRA M.B.B.S. (NPI 1750886859) is an individual internal medicine provider in Worcester, Massachusetts, licensed in Massachusetts (T288344) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Adventist Healthcare Shady Grove Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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
Mr. Datson Marian Pereira M.b.b.s. 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
2Medicare enrollment records show Datson Pereira reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 clinicians in this Medicare group
Elkton, MD 21921
- Reassigned Medicare billing, District of Columbia enrollment
- 347 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Adventist Healthcare Shady Grove Medical Center
Acute Care Hospitals · Rockville, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01605 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.
WORCESTER, MA 01605
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 Datson Pereira's NPI number?
The NPI number for Datson Pereira is 1750886859. It was assigned to this individual provider in the NPPES registry on March 29, 2018.
Where is Datson Pereira located?
Datson Pereira practices at 119 Belmont St, Worcester, MA 01605. The listed phone number is (508) 334-8515.
What is Datson Pereira's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Datson Pereira enrolled in Medicare?
Yes. Datson Pereira 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 Datson Pereira's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Datson Pereira reassigns Medicare benefits to 2 organizations: Umass Memorial Medical Group Inc (Worcester, MA) and Usacs Integrated Acute Care Services Of Maryland, LLC (Elkton, 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 Datson Pereira's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Datson Pereira affiliated with any hospitals?
According to CMS data, Datson Pereira is affiliated with Adventist Healthcare Shady Grove Medical Center.
When was this NPI record last updated?
The NPPES record for Datson Pereira was last updated on September 14, 2021. 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.
# Mr. Datson Marian Pereira, M.B.B.S. · NPI 1750886859
Internal Medicine physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since March 29, 2018.
## Identity
- **NPI:** 1750886859 (Entity type: Individual)
- **Enumerated:** March 29, 2018
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** T288344 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 119 BELMONT ST, Worcester, MA 01605-2903
- **Phone:** (508) 334-8515 · **Fax:** (508) 334-6490
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Umass Memorial Medical Group Inc (NPI 1760445373, Worcester, MA); Usacs Integrated Acute Care Services Of Maryland, LLC (NPI 1922598929, Elkton, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** September 14, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1750886859) · Data from the CMS NPPES public registry.