Dr. Katherine Elizabeth Whalen, MD
- Medicare services, 2018
- 197
- Part D claims, 2024
- 1,570
- Publications
- 2
- Hospital affiliations
- 1
- Industry payments
- $732
- Practice address
- 79 Wawecus St, Ste 107, Norwich, CT 06360
- Practice phone
- Call (860) 886-2655
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eastern Connecticut Endoscopy Center
Surgery Center - Medicare-Certified · Norwich, Connecticut
Find Dr. Whalen's professional email, personal email and mobile number
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Dr. Katherine Elizabeth Whalen is an ophthalmologist in Norwich, Connecticut
Dr. Whalen practices at Eastern Connecticut Endoscopy Center in Norwich, Connecticut.
Dr. Whalen's NPI, 1932466992, was assigned on April 16, 2012. Dr. Whalen graduated from Jefferson Medical College of Thomas Jefferson University in 2012. Dr. Whalen holds Pennsylvania license MD458482.
- NPI
- 1932466992NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820392376
- NPI enumeration date
- April 16, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 886-2655
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katherine Elizabeth Whalen practices at Eastern Connecticut Endoscopy Center in Norwich, Connecticut
Dr. Whalen's primary practice is Eastern Connecticut Endoscopy Center, at 79 Wawecus St, Ste 107, Norwich, CT 06360. The practice phone is (860) 886-2655.
- Eastern Connecticut Endoscopy Center79 Wawecus St, Ste 107, Norwich, CT 06360Phone(860) 886-2655
Source: Dmand AI Affiliation Data
Dr. Katherine Elizabeth Whalen is affiliated with 4 sites of care and 1 medical group
Dr. Whalen's primary practice is Eastern Connecticut Endoscopy Center in Norwich, Connecticut. Dr. Whalen is also affiliated with Backus Hospital. Dmand AI also links Dr. Whalen to 1 more physician office, 1 group practice or clinic and 1 medical group, 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. Katherine Elizabeth Whalen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Whalen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eastern Connecticut Endoscopy Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Katherine Elizabeth Whalen is one of 259 ophthalmologists in Connecticut
Ophthalmology is Dr. Whalen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Whalen is licensed in Pennsylvania.
Specialties and state licenses
- Ophthalmology, PennsylvaniaPrimary
Ophthalmologists near Dr. Whalen
Counts of ophthalmologists 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. Katherine Elizabeth Whalen billed Medicare for 197 services in 2018
CMS data shows 197 Medicare services from Dr. Whalen across 3 procedure codes in 2018. Medicare paid $13,463 for them.
Dr. Whalen's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Tests and treatments
- 2017: 1,1992018: 18285%
- Surgery
- 2017: 1452018: 1590%
Where Dr. Whalen's Medicare services took place, 2018
- In an office11056%
- In a facility8744%
Dr. Whalen compared with the Connecticut median for ophthalmologists, 2018
- Dr. Whalen
- Connecticut median
- Medicare services
- 197vs 1,15083% below
- Part D claims
- 1,434vs 6642.2 times
Medians across 287 ophthalmologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Whalen's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Whalen and other ophthalmologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Katherine Elizabeth Whalen's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Whalen's median patient age at 71, with 57% women.
Dr. Whalen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women57%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Katherine Elizabeth Whalen wrote 1,570 Medicare Part D claims in 2024
In 2024, Dr. Whalen wrote 1,570 Medicare Part D claims for 398 patients. 56% of them were for generic drugs. CMS names the drug for 1,434 of them, across 28 drugs with 11 or more claims each, at $242,080 in total drug cost. In 2023, CMS named 1,024 claims across 22 drugs.
Dr. Whalen's Part D claims by kind of drug, 2024
- Generic875 claims56%
- Brand-name695 claims44%
Dr. Whalen'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. Whalen's Part D claims, 2024
- Antibiotics1%15 of 1,570 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: 1,0242024: 1,43440%
Drugs named by CMS: 28 in 2024, 22 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. Katherine Elizabeth Whalen ranks in the 70th percentile for cataract surgery in Medicare
Dr. Whalen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 74 procedures of cataract surgery by Dr. Whalen, more than 70% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Whalen ranks in Medicare procedure volume
- Cataract surgery
- 70th percentile74 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Katherine Elizabeth Whalen has 2 publications on record
Dmand AI links 2 papers to Dr. Whalen in 2016. Dr. Whalen has published most often in Retin Cases Brief Rep. Dr. Whalen's most frequent co-authors are Ralph C. Eagle, MD and Tamara R. Vrabec, MD.
Dr. Whalen's most frequent co-authors
Recent publications by Dr. Whalen
Retin Cases Brief Rep
See who Dr. Whalen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Whalen works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Katherine Elizabeth Whalen received $732 in industry payments from 2018 to 2025
CMS Open Payments shows 24 general payments to Dr. Whalen from 17 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Ocular Therapeutix, Inc. paid the most, $154.
General payments to Dr. Whalen by program year, 2018 to 2025
Companies that paid Dr. Whalen the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Katherine Elizabeth Whalen graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Whalen graduated from Jefferson Medical College of Thomas Jefferson University in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Katherine Elizabeth Whalen'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 Data |
| 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Katherine Elizabeth Whalen
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. Katherine Elizabeth Whalen's NPI number?
Dr. Katherine Elizabeth Whalen's NPI number is 1932466992. It was assigned on April 16, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine Elizabeth Whalen?
Dr. Katherine Elizabeth Whalen is an ophthalmologist in Norwich, Connecticut. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Katherine Elizabeth Whalen practice?
Dr. Whalen practices at 79 Wawecus St, Ste 107, Norwich, CT 06360. Dr. Whalen's primary practice is Eastern Connecticut Endoscopy Center in Norwich, Connecticut. Dmand AI also links Dr. Whalen to 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Katherine Elizabeth Whalen's office phone number?
The practice phone on file for Dr. Whalen is (860) 886-2655.
What is Dr. Katherine Elizabeth Whalen's medical license number?
Dr. Whalen holds Pennsylvania license MD458482.
Which hospitals is Dr. Katherine Elizabeth Whalen affiliated with?
Dr. Whalen is affiliated with Backus Hospital.
Does Dr. Katherine Elizabeth Whalen accept Medicare?
Yes. CMS data shows Dr. Whalen billed Medicare for 197 services in 2018, and Dr. Whalen accepts Medicare assignment.
What services does Dr. Katherine Elizabeth Whalen bill to Medicare?
In 2018, Dr. Whalen's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and surgery: eye (66984).
Where did Dr. Katherine Elizabeth Whalen go to medical school?
Dr. Whalen graduated from Jefferson Medical College of Thomas Jefferson University in 2012.
What drugs does Dr. Katherine Elizabeth Whalen prescribe most?
In 2024 Medicare Part D data, Dr. Whalen's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Moxifloxacin.
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Has Dr. Katherine Elizabeth Whalen received payments from drug or device companies?
CMS Open Payments shows $732 in general payments to Dr. Whalen from 17 companies from 2018 to 2025. The largest total came from Ocular Therapeutix, Inc.
How long has Dr. Katherine Elizabeth Whalen been practicing?
Dr. Whalen graduated from medical school in 2012, 14 years ago.
Does Dr. Katherine Elizabeth Whalen do research?
Dmand AI links 2 publications to Dr. Whalen.
Who does Dr. Katherine Elizabeth Whalen publish with?
Dr. Whalen's most frequent co-authors are Ralph C. Eagle, MD (2 shared papers) and Tamara R. Vrabec, MD (2 shared papers).
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