Dr. Kelsey Elizabeth Collins, MD
- Medicare services, 2024
- 128
- Medicare patients, 2024
- 49
- Part D claims, 2024
- 183
- Hospital affiliations
- 2
- Industry payments
- $110
- Practice address
- 3445 Pacific Coast Hwy, Torrance, CA 90505
- Practice phone
- Call (310) 326-1666
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pacific Endo-Surgical Center
Torrance, California
Find Dr. Collins' 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. Kelsey Elizabeth Collins is a gastroenterologist in Torrance, California
Dr. Collins practices at Pacific Endo-Surgical Center in Torrance, California.
Dr. Collins' NPI, 1912434382, was assigned on May 17, 2017. Dr. Collins graduated from St. George's University School of Medicine in 2017. Dr. Collins holds New York license 321164.
- NPI
- 1912434382NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921346719
- NPI enumeration date
- May 17, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 326-1666
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kelsey Elizabeth Collins practices at Pacific Endo-Surgical Center in Torrance, California
Dr. Collins' primary practice is Pacific Endo-Surgical Center, at 3445 Pacific Coast Hwy, Torrance, CA 90505 in Los Angeles County. The practice phone is (310) 326-1666.
- Pacific Endo-Surgical Center3445 Pacific Coast Hwy, Torrance, CA 90505 · Los Angeles CountyPhone(310) 326-1666
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Kelsey Elizabeth Collins is affiliated with 5 sites of care and 3 medical groups
Dr. Collins' primary practice is Pacific Endo-Surgical Center in Torrance, California. Dr. Collins is also affiliated with Torrance Memorial Medical Center. The medical group on file is Providence Medical Institute. Dmand AI also links Dr. Collins to 1 more hospital, 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Kelsey Elizabeth Collins' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Collins practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pacific Endo-Surgical Center | Available with a free account |
| +4 more sites 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Kelsey Elizabeth Collins is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Collins' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Collins is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Collins' licenses on file in 2 states: New York and California.
Specialties and state licenses
- Gastroenterology, New YorkPrimary
- California license
Clinical focus
Dmand AI lists acid reflux and irritable bowel syndrome (IBS) among the conditions Dr. Collins treats.
Gastroenterologists near Dr. Collins
Counts of gastroenterologists 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. Kelsey Elizabeth Collins billed Medicare for 128 services in 2024
CMS data shows 128 Medicare services from Dr. Collins across 6 procedure codes in 2024, for 49 Medicare patients. Medicare paid $12,333 for them.
Dr. Collins' Medicare services by type, 2024
- Office and hospital visits74
- Surgery54
Where Dr. Collins' Medicare services took place, 2024
- In an office9272%
- In a facility3628%
Dr. Collins compared with the California median for gastroenterologists, 2024
- Dr. Collins
- California median
- Medicare services
- 128vs 58678% below
- Medicare patients
- 49vs 30284% below
- Part D claims
- 109vs 38071% below
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Collins' 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. Collins?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Collins and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kelsey Elizabeth Collins treated 49 Medicare patients in 2024, average age 72
CMS counts 49 Medicare patients who saw Dr. Collins in 2024. The largest group is 65 to 74, with 25 patients. 73% of them have high cholesterol, and 59% have high blood pressure. Their average risk score is 0.85, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Collins' median patient age at 61, with 62% women.
Dr. Collins' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Collins' Medicare patients by sex, 2024
- Women3673%
- Men1327%
Chronic conditions among Dr. Collins' Medicare patients, 2024
- High cholesterol73%
- High blood pressure59%
- Arthritis55%
- Depression29%
- Mood disorders29%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Collins' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kelsey Elizabeth Collins wrote 183 Medicare Part D claims in 2024
In 2024, Dr. Collins wrote 183 Medicare Part D claims for 54 patients. 67% of them were for generic drugs. CMS names the drug for 109 of them, across 3 drugs with 11 or more claims each, at $13,518 in total drug cost. In 2023, CMS named 113 claims across 5 drugs.
Dr. Collins' Part D claims by kind of drug, 2024
- Generic123 claims67%
- Brand-name60 claims33%
Dr. Collins' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1132024: 1094%
Drugs named by CMS: 3 in 2024, 5 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. Kelsey Elizabeth Collins ranks in the 63rd percentile for colonoscopy in Medicare
Dr. Collins accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 48 procedures of colonoscopy by Dr. Collins, more than 63% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Collins ranks in Medicare procedure volume
- Colonoscopy
- 63rd percentile48 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 59th percentile39 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)
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. Kelsey Elizabeth Collins received $110 in industry payments in 2023
CMS Open Payments shows 5 general payments to Dr. Collins from 2 drug and device companies in 2023. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $90.
Companies that paid Dr. Collins the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kelsey Elizabeth Collins graduated from St. George's University School of Medicine
Dr. Collins graduated from St. George's University School of Medicine in 2017.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Kelsey Elizabeth Collins accepts plans from 9 insurance carriers
Dr. Collins is in network with 9 carriers, including Aetna, United Healthcare and Cigna. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Cigna
- MVP Health Care
- Aspirus Health Plan
- CMS Medicare
- Elevance
- HCSC
- +1 more carriersWith a free account
Plan types Dr. Collins accepts, by number of carriers
- PPO5
- HMO4
- Medicare4
- EPO2
- POS2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Kelsey Elizabeth Collins'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Doctors and Clinicians Utilization Data (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Kelsey Elizabeth Collins
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. Kelsey Elizabeth Collins' NPI number?
Dr. Kelsey Elizabeth Collins' NPI number is 1912434382. It was assigned on May 17, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Kelsey Elizabeth Collins?
Dr. Kelsey Elizabeth Collins is a gastroenterologist in Torrance, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Kelsey Elizabeth Collins practice?
Dr. Collins practices at 3445 Pacific Coast Hwy, Torrance, CA 90505. Dr. Collins' primary practice is Pacific Endo-Surgical Center in Torrance, California. Dmand AI also links Dr. Collins to 1 hospital, 2 group practices and clinics and 2 medical groups.
What is Dr. Kelsey Elizabeth Collins' office phone number?
The practice phone on file for Dr. Collins is (310) 326-1666.
What is Dr. Kelsey Elizabeth Collins' medical license number?
Dr. Collins holds New York license 321164, one of the licenses on file in 2 states.
Which states has Dr. Kelsey Elizabeth Collins been licensed in?
Dmand AI has state licenses on file for Dr. Collins in New York (2023 to 2026) and California (2025 to 2027).
Which hospitals is Dr. Kelsey Elizabeth Collins affiliated with?
Dr. Collins is affiliated with Torrance Memorial Medical Center. Dmand AI links Dr. Collins to 1 more hospital.
What medical group is Dr. Kelsey Elizabeth Collins part of?
Dr. Collins is linked to Providence Medical Institute. Dmand AI links Dr. Collins to 2 more medical groups.
Does Dr. Kelsey Elizabeth Collins accept Medicare?
Yes. CMS data shows Dr. Collins billed Medicare for 128 services in 2024, and Dr. Collins accepts Medicare assignment.
How many Medicare patients does Dr. Kelsey Elizabeth Collins see?
CMS counts 49 Medicare patients who saw Dr. Collins in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
Is Dr. Kelsey Elizabeth Collins board certified?
Yes. Dr. Collins is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Kelsey Elizabeth Collins bill to Medicare?
In 2024, Dr. Collins' most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and surgery: heart and blood vessels (36415).
Where did Dr. Kelsey Elizabeth Collins go to medical school?
Dr. Collins graduated from St. George's University School of Medicine in 2017.
What drugs does Dr. Kelsey Elizabeth Collins prescribe most?
In 2024 Medicare Part D data, Dr. Collins' most prescribed drugs by claims were Omeprazole, Sod Sulf-Potass Sulf-Mag Sulf and Linzess.
Has Dr. Kelsey Elizabeth Collins received payments from drug or device companies?
CMS Open Payments shows $110 in general payments to Dr. Collins from 2 companies from 2023 to 2023. The largest total came from Gilead Sciences, Inc.
How long has Dr. Kelsey Elizabeth Collins been practicing?
Dr. Collins graduated from medical school in 2017, 9 years ago.
What insurance does Dr. Kelsey Elizabeth Collins accept?
Dr. Collins is in network with 9 carriers, including Aetna, United Healthcare and Cigna. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
Selling to gastroenterology practices?
See gastroenterologists in California 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