DR. EDWARD A BITTNER MD PHD
NPI 1215912456
Internal Medicine - Critical Care Medicine in Boston, MA
About Dr. Edward A Bittner Md Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. EDWARD A BITTNER MD PHD (NPI 1215912456) is an individual critical care medicine provider in Boston, Massachusetts, licensed in Massachusetts (212546) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Tulane University School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
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
Dr. Edward A Bittner Md Phd 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 Edward Bittner reassigns Medicare billing to 3 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
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 7
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAMassachusetts Eye And Ear Infirmary -
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 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 Edward Bittner's NPI number?
The NPI number for Edward Bittner is 1215912456. It was assigned to this individual provider in the NPPES registry on December 9, 2005.
Where is Edward Bittner located?
Edward Bittner practices at 55 Fruit St Cln 3, Boston, MA 02114. The listed phone number is (617) 726-2273.
What is Edward Bittner's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Edward Bittner enrolled in Medicare?
Yes. Edward Bittner 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 Edward Bittner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Edward Bittner reassigns Medicare benefits to 3 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA) and The Shriners' Hospital For Children (Boston, 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 Edward Bittner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Edward Bittner accept?
Health plans from AmeriHealth Caritas Next and Taro Health list Edward Bittner 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 Edward Bittner affiliated with any hospitals?
According to CMS data, Edward Bittner is affiliated with Massachusetts General Hospital and Massachusetts Eye And Ear Infirmary -.
When was this NPI record last updated?
The NPPES record for Edward Bittner 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.
# Dr. Edward A Bittner, MD PHD · NPI 1215912456
Critical Care Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since December 9, 2005.
## Identity
- **NPI:** 1215912456 (Entity type: Individual)
- **Enumerated:** December 9, 2005
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 212546 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, CLN 3, Boston, MA 02114-2621
- **Phone:** (617) 726-2273 · **Fax:** (617) 726-7536
## 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): 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) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tulane University School Of Medicine, class of 1994
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Other J24763 (MA); Other 212545 (MA); Medicaid 0169340 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1215912456) · Data from the CMS NPPES public registry.