Dr. Siddhartha Srinivasan Narayanan, MD, MPH
- Part D claims, 2024
- 57
- Hospital affiliations
- 2
- Industry payments
- $99
- Medical groups
- 3
- State license
- 1
- Practice address
- 27 Park Street, Hyannis, MA 02601
- Practice phone
- Call (508) 771-1800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Narayanan's professional email, personal email and mobile number
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Dr. Siddhartha Srinivasan Narayanan is a pulmonologist in Hyannis, Massachusetts
Dr. Narayanan practices at Cape Cod Hospital in Hyannis, Massachusetts, part of Cape Cod Healthcare.
Dr. Narayanan's NPI, 1215432158, was assigned on March 23, 2018. Dr. Narayanan holds Massachusetts license 290533.
- NPI
- 1215432158NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375890122
- NPI enumeration date
- March 23, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (508) 771-1800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Siddhartha Srinivasan Narayanan practices at Cape Cod Hospital in Hyannis, Massachusetts
Dr. Narayanan's primary practice is Cape Cod Hospital, at 27 Park Street, Hyannis, MA 02601 in Barnstable County. The practice phone is (508) 771-1800.
- Cape Cod Hospital27 Park Street, Hyannis, MA 02601 · Barnstable CountyPhone(508) 771-1800
Source: Dmand AI Affiliation Data
Dr. Siddhartha Srinivasan Narayanan is affiliated with 2 sites of care and 3 medical groups
Dr. Narayanan's primary practice is Cape Cod Hospital in Hyannis, Massachusetts, part of Cape Cod Healthcare. Dr. Narayanan is also affiliated with Falmouth Hospital. The medical group on file is Cape Cod Healthcare. Dmand AI also links Dr. Narayanan to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Siddhartha Srinivasan Narayanan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Narayanan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cape Cod Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Cape Cod Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Siddhartha Srinivasan Narayanan is one of 485 pulmonologists in Massachusetts
Pulmonary disease is Dr. Narayanan's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Narayanan is licensed in Massachusetts.
Specialties and state licenses
- Pulmonary disease, MassachusettsPrimary
Pulmonologists near Dr. Narayanan
Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Siddhartha Srinivasan Narayanan's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Narayanan's median patient age at 75, with 58% women.
Dr. Narayanan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women58%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. Siddhartha Srinivasan Narayanan wrote 57 Medicare Part D claims in 2024
In 2024, Dr. Narayanan wrote 57 Medicare Part D claims for 17 patients. 40% of them were for generic drugs.
Dr. Narayanan's Part D claims by kind of drug, 2024
- Generic23 claims40%
- Brand-name34 claims60%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Siddhartha Srinivasan Narayanan offers telehealth to Medicare patients
Dr. Narayanan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Narayanan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Siddhartha Srinivasan Narayanan received $99 in industry payments in 2025
CMS Open Payments shows 4 general payments to Dr. Narayanan from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $30.
Companies that paid Dr. Narayanan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Siddhartha Srinivasan Narayanan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Siddhartha Srinivasan Narayanan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Siddhartha Srinivasan Narayanan's NPI number?
Dr. Siddhartha Srinivasan Narayanan's NPI number is 1215432158. It was assigned on March 23, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Siddhartha Srinivasan Narayanan?
Dr. Siddhartha Srinivasan Narayanan is a pulmonologist in Hyannis, Massachusetts. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Siddhartha Srinivasan Narayanan practice?
Dr. Narayanan practices at 27 Park Street, Hyannis, MA 02601. Dr. Narayanan's primary practice is Cape Cod Hospital in Hyannis, Massachusetts, part of Cape Cod Healthcare. Dmand AI also links Dr. Narayanan to 2 medical groups.
What is Dr. Siddhartha Srinivasan Narayanan's office phone number?
The practice phone on file for Dr. Narayanan is (508) 771-1800.
What is Dr. Siddhartha Srinivasan Narayanan's medical license number?
Dr. Narayanan holds Massachusetts license 290533.
Which hospitals is Dr. Siddhartha Srinivasan Narayanan affiliated with?
Dr. Narayanan practices at Cape Cod Hospital in Hyannis, Massachusetts. Dr. Narayanan is also affiliated with Falmouth Hospital.
What medical group is Dr. Siddhartha Srinivasan Narayanan part of?
Dr. Narayanan is linked to Cape Cod Healthcare. Dmand AI links Dr. Narayanan to 2 more medical groups.
Does Dr. Siddhartha Srinivasan Narayanan accept Medicare?
Yes. CMS lists Dr. Narayanan as accepting Medicare assignment.
Does Dr. Siddhartha Srinivasan Narayanan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Narayanan as offering telehealth services.
Has Dr. Siddhartha Srinivasan Narayanan received payments from drug or device companies?
CMS Open Payments shows $99 in general payments to Dr. Narayanan from 4 companies from 2025 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Siddhartha Srinivasan Narayanan been practicing?
Dr. Narayanan graduated from medical school in 2018, 8 years ago.
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