MASSIL M.D., INC.
NPI 1215660824
Internal Medicine in Rocklin, CA
About Massil M.d., Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MASSIL M.D., INC. (NPI 1215660824) is a healthcare organization registered as an internal medicine in Rocklin, California and active in the NPI registry since July 2022. The organization lists David E Massil, Owner Of The Entity, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Massil M.d., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Massil M.D., Inc., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Massil M.D., Inc.'s NPI number?
The NPI number for Massil M.D., Inc. is 1215660824. It was assigned to this organization in the NPPES registry on July 1, 2022.
Where is Massil M.D., Inc. located?
Massil M.D., Inc. is located at 6000 Fairway Dr Ste 1, Rocklin, CA 95677. The listed phone number is (732) 986-4741.
What is Massil M.D., Inc.'s specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Massil M.D., Inc. enrolled in Medicare?
Yes. Massil M.D., Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Massil M.D., Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Massil M.D., Inc., in Internal Medicine and Nurse Practitioner. A 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 the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Massil M.D., Inc. was last updated on July 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Massil M.d., Inc. · NPI 1215660824
Internal Medicine organization in Rocklin, California. Organization record, active in the CMS NPPES registry since July 1, 2022.
## Identity
- **NPI:** 1215660824 (Entity type: Organization)
- **Enumerated:** July 1, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** David Massil, OWNER OF THE ENTITY
## Practice location
- **Address:** 6000 FAIRWAY DR STE 1, Rocklin, CA 95677-4245
- **Phone:** (732) 986-4741
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (1), Nurse Practitioner (1); 1 practice at this address and 2 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 1, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1215660824) · Data from the CMS NPPES public registry.