DR. ANAND VISWANATHAN MD PHD
NPI 1972587434
Psychiatry & Neurology - Neurology in Boston, MA
About Dr. Anand Viswanathan Md Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANAND VISWANATHAN MD PHD (NPI 1972587434) is an individual neurology provider in Boston, Massachusetts, licensed in Massachusetts (221012) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains a secondary practice location in Boston.
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
Dr. Anand Viswanathan 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
12Medicare enrollment records show Anand Viswanathan reassigns Medicare billing to 12 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
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 322 clinicians in this Medicare group
Bridgton, ME 04009
- Reassigned Medicare billing, Maine enrollment
- 563 clinicians in this Medicare group
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- 920 clinicians in this Medicare group
Rumford, ME 04276
- Reassigned Medicare billing, Maine enrollment
- 544 clinicians in this Medicare group
Pittsfield, ME 04967
- Reassigned Medicare billing, Maine enrollment
- 140 clinicians in this Medicare group
Blue Hill, ME 04614
- Reassigned Medicare billing, Maine enrollment
- 125 clinicians in this Medicare group
Ellsworth, ME 04605
- Reassigned Medicare billing, Maine enrollment
- 174 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 6
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, MANewton-Wellesley Hospital
Acute Care Hospitals · Newton, 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
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 Anand Viswanathan's NPI number?
The NPI number for Anand Viswanathan is 1972587434. It was assigned to this individual provider in the NPPES registry on November 30, 2005.
Where is Anand Viswanathan located?
Anand Viswanathan practices at 15 Parkman St Wac 835, Boston, MA 02114. The listed phone number is (617) 724-0880.
What is Anand Viswanathan's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Anand Viswanathan enrolled in Medicare?
Yes. Anand Viswanathan 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 Anand Viswanathan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anand Viswanathan reassigns Medicare benefits to 12 organizations: The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA), Brigham & Womens Physicians Organization Inc (Boston, MA), Mercy Hospital (Portland, ME), Bridgton Hospital (Bridgton, ME) and 7 more organizations, listed in the Medicare section above. 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 Anand Viswanathan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anand Viswanathan accept?
Health plans from Taro Health list Anand Viswanathan 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 Anand Viswanathan affiliated with any hospitals?
According to CMS data, Anand Viswanathan is affiliated with Massachusetts General Hospital and Newton-Wellesley Hospital.
When was this NPI record last updated?
The NPPES record for Anand Viswanathan was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Anand Viswanathan, MD PHD · NPI 1972587434
Neurology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since November 30, 2005.
## Identity
- **NPI:** 1972587434 (Entity type: Individual)
- **Enumerated:** November 30, 2005
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 221012 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 15 PARKMAN ST, WAC 835, Boston, MA 02114
- **Phone:** (617) 724-0880
## 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:** 12 organizations under Medicare reassignment (form CMS-855R): The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); Mercy Hospital (NPI 1629078712, Portland, ME); Bridgton Hospital (NPI 1154370153, Bridgton, ME); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 2000
## Record status
- **NPPES last updated:** June 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1972587434) · Data from the CMS NPPES public registry.