MR. PAUL LONG MD
NPI 1225473226
Internal Medicine in Boston, MA
About Mr. Paul Long Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. PAUL LONG MD (NPI 1225473226) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (266030) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of University Of Utah School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Mr. Paul Long 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 Reassignments
3Medicare enrollment records show Paul Long reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 113 clinicians in this Medicare group
Oakley, CA 94561
- Reassigned Medicare billing, California enrollment
- 187 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1386619344 (California)
- 637 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 2
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 02118 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
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
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 Paul Long's NPI number?
The NPI number for Paul Long is 1225473226. It was assigned to this individual provider in the NPPES registry on May 3, 2013.
Where is Paul Long located?
Paul Long practices at 801 Massachusetts Avenue Crosstown 2, Boston, MA 02118. The listed phone number is (617) 414-4376.
What is Paul Long's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Paul Long enrolled in Medicare?
Yes. Paul Long 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 Paul Long's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paul Long reassigns Medicare benefits to 3 organizations: Boston University Family Medicine, Inc. (Boston, MA), La Clinica De La Raza, Inc. (Oakley, CA) and University Of California Sfgh Medical Group (San Francisco, CA). 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 Paul Long's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Paul Long accept?
Health plans from WellSense Health Plan list Paul Long 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 Paul Long was last updated on August 30, 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. Paul Long, MD · NPI 1225473226
Internal Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 3, 2013.
## Identity
- **NPI:** 1225473226 (Entity type: Individual)
- **Enumerated:** May 3, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 266030 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 801 MASSACHUSETTS AVENUE, CROSSTOWN 2, Boston, MA 02118
- **Phone:** (617) 414-4376
## 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): Boston University Family Medicine, Inc. (NPI 1134166390, Boston, MA); La Clinica De La Raza, Inc. (NPI 1578834164, Oakley, CA); University Of California Sfgh Medical Group (NPI 1265407381, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Utah School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** August 30, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1225473226) · Data from the CMS NPPES public registry.