PAUL G FIRTH MD
NPI 1689656621
Anesthesiology in Boston, MA
About Paul G Firth Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PAUL G FIRTH MD (NPI 1689656621) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (205266) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Paul G Firth 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
4Medicare enrollment records show Paul Firth reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 128 clinicians in this Medicare group
Oak Bluffs, MA 02557
- Reassigned Medicare billing, Massachusetts enrollment
- 251 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAOther 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 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Firth's NPI number?
The NPI number for Paul Firth is 1689656621. It was assigned to this individual provider in the NPPES registry on November 16, 2005.
Where is Paul Firth located?
Paul Firth practices at 55 Fruit St Cln 309, Boston, MA 02114. The listed phone number is (617) 726-3030.
What is Paul Firth's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Paul Firth enrolled in Medicare?
Yes. Paul Firth 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 Firth's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paul Firth reassigns Medicare benefits to 4 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA), The Shriners' Hospital For Children (Boston, MA) and Martha's Vineyard Hospital, Inc. (Oak Bluffs, 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 Paul Firth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Paul Firth accept?
Health plans from Taro Health list Paul Firth 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 Paul Firth affiliated with any hospitals?
According to CMS data, Paul Firth is affiliated with Massachusetts General Hospital.
When was this NPI record last updated?
The NPPES record for Paul Firth was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Paul G Firth, MD · NPI 1689656621
Anesthesiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since November 16, 2005.
## Identity
- **NPI:** 1689656621 (Entity type: Individual)
- **Enumerated:** November 16, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 205266 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, CLN 309, Boston, MA 02114-2621
- **Phone:** (617) 726-3030
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); The Shriners' Hospital For Children (NPI 1366886525, Boston, MA); Martha's Vineyard Hospital, Inc. (NPI 1194866210, Oak Bluffs, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Other J25541 (MA); Medicaid 0183041 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1689656621) · Data from the CMS NPPES public registry.