Dr. Deborah Tan, DO
- Medicare services, 2024
- 45
- Medicare patients, 2024
- 45
- Hospital affiliations
- 3
- Industry payments
- $492
- Medical groups
- 2
- Practice address
- 326 Washington St, Norwich, CT 06360
- Practice phone
- Call (860) 889-8331
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tan's professional email, personal email and mobile number
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Dr. Deborah Tan is an internist in Norwich, Connecticut
Dr. Tan practices at Backus Hospital in Norwich, Connecticut, part of Hartford HealthCare.
Dr. Tan's NPI, 1407435670, was assigned on April 5, 2021. Dr. Tan graduated from Lake Erie College of Osteopathic Medicine in 2021. Dr. Tan holds Connecticut license 79114.
- NPI
- 1407435670NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082152046
- NPI enumeration date
- April 5, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 889-8331
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Deborah Tan practices at Backus Hospital in Norwich, Connecticut
Dr. Tan's primary practice is Backus Hospital, at 326 Washington St, Norwich, CT 06360 in New London County. The practice phone is (860) 889-8331.
- Backus Hospital326 Washington St, Norwich, CT 06360 · New London CountyPhone(860) 889-8331
Source: Dmand AI Affiliation Data
Dr. Deborah Tan is affiliated with 3 sites of care and 2 medical groups
Dr. Tan's primary practice is Backus Hospital in Norwich, Connecticut, part of Hartford HealthCare. Dr. Tan is also affiliated with Day Kimball Hospital. The medical group on file is The William W. Backus Hospital. Dmand AI also links Dr. Tan to 1 more hospital and 1 medical group, each named with a free account. Dr. Tan's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Deborah Tan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Backus Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Deborah Tan is one of 2,189 internists in Connecticut
Internal medicine is Dr. Tan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tan is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Tan
Counts of internists 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. Deborah Tan billed Medicare for 45 services in 2024
CMS data shows 45 Medicare services from Dr. Tan across 2 procedure codes in 2024, for 45 Medicare patients. Medicare paid $5,046 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tan compared with the Connecticut median for internists, 2024
- Dr. Tan
- Connecticut median
- Medicare services
- 45vs 39088% below
- Medicare patients
- 45vs 17274% below
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Tan'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. Tan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tan and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Deborah Tan treated 45 Medicare patients in 2024, average age 75
CMS counts 45 Medicare patients who saw Dr. Tan in 2024. The largest group is 75 to 84, with 15 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 2.28, 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. Tan's median patient age at 64, with 51% women.
Dr. Tan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tan's Medicare patients by sex, 2024
- Women2964%
- Men1636%
Chronic conditions among Dr. Tan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Heart failure51%
- Ischemic heart disease51%
- COPD49%
- Anxiety44%
- Mood disorders42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Deborah Tan takes part in Medicare
Dr. Tan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Deborah Tan received $492 in industry payments in 2024
CMS Open Payments shows 4 general payments to Dr. Tan from 4 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Alexion Pharmaceuticals, Inc. paid the most, $135.
Companies that paid Dr. Tan the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Deborah Tan graduated from Lake Erie College of Osteopathic Medicine
Dr. Tan graduated from Lake Erie College of Osteopathic Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Deborah Tan'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 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) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Deborah Tan
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. Deborah Tan's NPI number?
Dr. Deborah Tan's NPI number is 1407435670. It was assigned on April 5, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Deborah Tan?
Dr. Deborah Tan is an internist in Norwich, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Deborah Tan practice?
Dr. Tan practices at 326 Washington St, Norwich, CT 06360. Dr. Tan's primary practice is Backus Hospital in Norwich, Connecticut, part of Hartford HealthCare. Dmand AI also links Dr. Tan to 1 hospital and 1 medical group.
What is Dr. Deborah Tan's office phone number?
The practice phone on file for Dr. Tan is (860) 889-8331.
What is Dr. Deborah Tan's medical license number?
Dr. Tan holds Connecticut license 79114.
Which hospitals is Dr. Deborah Tan affiliated with?
Dr. Tan practices at Backus Hospital in Norwich, Connecticut. Dr. Tan is also affiliated with Day Kimball Hospital. Dmand AI links Dr. Tan to 1 more hospital.
What medical group is Dr. Deborah Tan part of?
Dr. Tan is linked to The William W. Backus Hospital. Dmand AI links Dr. Tan to 1 more medical group.
Does Dr. Deborah Tan accept Medicare?
Yes. CMS data shows Dr. Tan billed Medicare for 45 services in 2024, and Dr. Tan accepts Medicare assignment.
How many Medicare patients does Dr. Deborah Tan see?
CMS counts 45 Medicare patients who saw Dr. Tan in 2024, with an average age of 75.
What services does Dr. Deborah Tan bill to Medicare?
In 2024, Dr. Tan's most billed Medicare services were hospital inpatient care (99222) and hospital inpatient care (99235).
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Where did Dr. Deborah Tan go to medical school?
Dr. Tan graduated from Lake Erie College of Osteopathic Medicine in 2021.
Has Dr. Deborah Tan received payments from drug or device companies?
CMS Open Payments shows $492 in general payments to Dr. Tan from 4 companies from 2024 to 2024. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Dr. Deborah Tan been practicing?
Dr. Tan graduated from medical school in 2021, 5 years ago.
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