DR. SIDDHARTHA SRINIVASAN NARAYANAN MD, MPH
NPI 1215432158
Internal Medicine - Pulmonary Disease in Hyannis, MA
About Dr. Siddhartha Srinivasan Narayanan Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SIDDHARTHA SRINIVASAN NARAYANAN MD, MPH (NPI 1215432158) is an individual pulmonary disease provider in Hyannis, Massachusetts, licensed in Massachusetts (290533) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Cape Cod Hospital, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 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
Dr. Siddhartha Srinivasan Narayanan Md, Mph 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 Siddhartha Narayanan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hyannis, MA 02601
- Reassigned Medicare billing, Massachusetts enrollment
- 423 clinicians in this Medicare group
Hyannis, MA 02601
- Reassigned Medicare billing, Massachusetts enrollment
- 678 clinicians in this Medicare group
Falmouth, MA 02540
- Reassigned Medicare billing, Massachusetts enrollment
- 238 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cape Cod Hospital
Acute Care Hospitals · Hyannis, MAFalmouth Hospital
Acute Care Hospitals · Falmouth, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02601 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 2
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.
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 Siddhartha Narayanan's NPI number?
The NPI number for Siddhartha Narayanan is 1215432158. It was assigned to this individual provider in the NPPES registry on March 23, 2018.
Where is Siddhartha Narayanan located?
Siddhartha Narayanan practices at 27 Park St, Hyannis, MA 02601. The listed phone number is (508) 771-1800.
What is Siddhartha Narayanan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Siddhartha Narayanan enrolled in Medicare?
Yes. Siddhartha Narayanan 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 Siddhartha Narayanan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Siddhartha Narayanan reassigns Medicare benefits to 3 organizations: Medical Affiliates Of Cape Cod, Inc. (Hyannis, MA), Physicians Of Cape Cod Hospital (Hyannis, MA) and Physicians Of Falmouth Hospital (Falmouth, 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 Siddhartha Narayanan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Siddhartha Narayanan accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Siddhartha Narayanan 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 Siddhartha Narayanan affiliated with any hospitals?
According to CMS data, Siddhartha Narayanan is affiliated with Cape Cod Hospital and Falmouth Hospital.
When was this NPI record last updated?
The NPPES record for Siddhartha Narayanan was last updated on June 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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. Siddhartha Srinivasan Narayanan, MD, MPH · NPI 1215432158
Pulmonary Disease physician in Hyannis, Massachusetts. Individual provider, active in the CMS NPPES registry since March 23, 2018.
## Identity
- **NPI:** 1215432158 (Entity type: Individual)
- **Enumerated:** March 23, 2018
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 290533 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 27 PARK ST, Hyannis, MA 02601-5230
- **Phone:** (508) 771-1800
## 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): Medical Affiliates Of Cape Cod, Inc. (NPI 1770534927, Hyannis, MA); Physicians Of Cape Cod Hospital (NPI 1679832364, Hyannis, MA); Physicians Of Falmouth Hospital (NPI 1821363698, Falmouth, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** June 30, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1215432158) · Data from the CMS NPPES public registry.