Dr. Ambiga Samiappan, MD
- Medicare services, 2024
- 367
- Medicare patients, 2024
- 113
- Part D claims, 2024
- 474
- MIPS score, 2024
- 90
- Hospital affiliations
- 3
- Practice address
- 1100 9th Ave, Seattle, WA 98101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Virginia Mason Medical Center - HOPD
Acute Care Hospital outpatient department · Seattle, Washington
Find Dr. Samiappan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ambiga Samiappan is a hospitalist in Seattle, Washington
Dr. Samiappan practices at Virginia Mason Medical Center - HOPD in Seattle, Washington.
Dr. Samiappan's NPI, 1598012320, was assigned on August 10, 2012. Dr. Samiappan holds West Virginia license 27742.
- NPI
- 1598012320NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234442997
- NPI enumeration date
- August 10, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ambiga Samiappan practices at Virginia Mason Medical Center - HOPD in Seattle, Washington
Dr. Samiappan's primary practice is Virginia Mason Medical Center - HOPD, at 1100 9th Ave, Seattle, WA 98101.
- Virginia Mason Medical Center - HOPD1100 9th Ave, Seattle, WA 98101
Source: Dmand AI Affiliation Data
Dr. Ambiga Samiappan is affiliated with 8 sites of care and 4 medical groups
Dr. Samiappan's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Dr. Samiappan is also affiliated with Virginia Mason Medical Center. The medical group on file is Franciscan Orthopedics - Silverdale. Dmand AI also links Dr. Samiappan to 2 more hospitals, 3 group practices and clinics, 3 medical groups and 1 imaging center, each named with a free account. Dr. Samiappan's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ambiga Samiappan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Samiappan practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Virginia Mason Medical Center - HOPD | Available with a free account |
| +7 more sites and 3 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ambiga Samiappan is one of 766 hospitalists in Washington
Hospitalist is Dr. Samiappan's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Samiappan is licensed in West Virginia.
Specialties and state licenses
- Hospitalist, West VirginiaPrimary
Hospitalists near Dr. Samiappan
Counts of hospitalists 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. Ambiga Samiappan billed Medicare for 367 services in 2024
CMS data shows 367 Medicare services from Dr. Samiappan across 4 procedure codes in 2024, for 113 Medicare patients. Medicare paid $32,386 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Samiappan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1272024: 36767%
- Other services
- 2023: 612024: 0100%
Dr. Samiappan compared with the Washington median for hospitalists, 2024
- Dr. Samiappan
- Washington median
- Medicare services
- 367vs 31417% above
- Medicare patients
- 113vs 15728% below
- Part D claims
- 247vs 406.2 times
Medians across 696 hospitalists in Washington with Dmand AI profiles that report each measure.
Dr. Samiappan's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Samiappan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Samiappan and other hospitalists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ambiga Samiappan treated 113 Medicare patients in 2024, average age 75
CMS counts 113 Medicare patients who saw Dr. Samiappan in 2024. The largest group is 65 to 74, with 46 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.58, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Samiappan's median patient age at 74, with 49% women.
Dr. Samiappan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Samiappan's Medicare patients by sex, 2024
- Women6759%
- Men4641%
Chronic conditions among Dr. Samiappan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Diabetes53%
- Chronic kidney disease50%
- Anxiety49%
- Heart failure49%
- Ischemic heart disease48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Samiappan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women49%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ambiga Samiappan wrote 474 Medicare Part D claims in 2024
In 2024, Dr. Samiappan wrote 474 Medicare Part D claims for 92 patients. 90% of them were for generic drugs. CMS names the drug for 247 of them, across 13 drugs with 11 or more claims each, at $8,001 in total drug cost. In 2023, CMS named 1,711 claims across 51 drugs.
Dr. Samiappan's Part D claims by kind of drug, 2024
- Generic425 claims90%
- Brand-name49 claims10%
Dr. Samiappan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Samiappan's Part D claims, 2024
- Antibiotics5%26 of 474 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,7112024: 24786%
Drugs named by CMS: 13 in 2024, 51 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Ambiga Samiappan scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Samiappan for performance year 2024, reported through an alternative payment model (APM). Dr. Samiappan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Samiappan's MIPS scores, performance year 2024
- 90of 100Final score
- 89.4of 100Quality
- 85of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Ambiga Samiappan received $71 in industry payments from 2018 to 2024
CMS Open Payments shows 4 general payments to Dr. Samiappan from 3 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $34.
General payments to Dr. Samiappan by program year, 2018 to 2024
Companies that paid Dr. Samiappan the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ambiga Samiappan'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 Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)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)Clinician Public Reporting: Overall MIPS Performance (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. Ambiga Samiappan
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. Ambiga Samiappan's NPI number?
Dr. Ambiga Samiappan's NPI number is 1598012320. It was assigned on August 10, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Ambiga Samiappan?
Dr. Ambiga Samiappan is a hospitalist in Seattle, Washington. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Ambiga Samiappan practice?
Dr. Samiappan practices at 1100 9th Ave, Seattle, WA 98101. Dr. Samiappan's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Dmand AI also links Dr. Samiappan to 2 hospitals, 3 group practices and clinics, 3 medical groups and 1 imaging center.
What is Dr. Ambiga Samiappan's medical license number?
Dr. Samiappan holds West Virginia license 27742.
Which hospitals is Dr. Ambiga Samiappan affiliated with?
Dr. Samiappan is affiliated with Virginia Mason Medical Center. Dmand AI links Dr. Samiappan to 2 more hospitals.
What medical group is Dr. Ambiga Samiappan part of?
Dr. Samiappan is linked to Franciscan Orthopedics - Silverdale. Dmand AI links Dr. Samiappan to 3 more medical groups.
Does Dr. Ambiga Samiappan accept Medicare?
Yes. CMS data shows Dr. Samiappan billed Medicare for 367 services in 2024, and Dr. Samiappan accepts Medicare assignment.
What is Dr. Ambiga Samiappan's MIPS score?
Dr. Samiappan's MIPS final score for performance year 2024 is 90 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Ambiga Samiappan see?
CMS counts 113 Medicare patients who saw Dr. Samiappan in 2024, with an average age of 75.
What services does Dr. Ambiga Samiappan bill to Medicare?
In 2024, Dr. Samiappan's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Show 3 more questionsShow fewer questions
What drugs does Dr. Ambiga Samiappan prescribe most?
In 2024 Medicare Part D data, Dr. Samiappan's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Levothyroxine Sodium.
Has Dr. Ambiga Samiappan received payments from drug or device companies?
CMS Open Payments shows $71 in general payments to Dr. Samiappan from 3 companies from 2018 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Ambiga Samiappan been practicing?
Dr. Samiappan graduated from medical school in 2011, 15 years ago.
Selling to hospitalist practices?
See hospitalists in Washington by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card