Dis Colon Rectum
Dr. Michael Jonathan Worsey, MD
- Medicare services, 2024
- 621
- Medicare patients, 2024
- 254
- Part D claims, 2024
- 145
- Publications
- 4
- Hospital affiliations
- 1
- Practice address
- 9850 Genesee Ave, La Jolla, CA 92037
- Practice phone
- Call (858) 453-0753
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Scripps Clinic OB-GYN La Jolla Campus
La Jolla, California
Find Dr. Worsey'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. Michael Jonathan Worsey is a colorectal surgeon in La Jolla, California
Dr. Worsey practices at Scripps Clinic OB-GYN La Jolla Campus in La Jolla, California.
Dr. Worsey's NPI, 1629091145, was assigned on July 25, 2006. Dr. Worsey graduated from Guy's, King's and St Thomas' School of Medical Education in 1985. Dr. Worsey holds California license A69016.
- NPI
- 1629091145NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921016809
- NPI enumeration date
- July 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (858) 453-0753
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Jonathan Worsey practices at Scripps Clinic OB-GYN La Jolla Campus in La Jolla, California
Dr. Worsey's primary practice is Scripps Clinic OB-GYN La Jolla Campus, at 9850 Genesee Ave, La Jolla, CA 92037 in San Diego County. The practice phone is (858) 453-0753.
- Scripps Clinic OB-GYN La Jolla Campus9850 Genesee Ave, La Jolla, CA 92037 · San Diego CountyPhone(858) 453-0753
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael Jonathan Worsey is affiliated with 4 sites of care and 2 medical groups
Dr. Worsey's primary practice is Scripps Clinic OB-GYN La Jolla Campus in La Jolla, California. Dr. Worsey is also affiliated with Scripps Memorial Hospital La Jolla. The medical group on file is Scripps Clinic Medical Group. Dmand AI also links Dr. Worsey to 2 more group practices and clinics and 1 medical group, 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. Michael Jonathan Worsey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Worsey practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Scripps Clinic OB-GYN La Jolla Campus | 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. Michael Jonathan Worsey is one of 187 colorectal surgeons in California
Colon and rectal surgery is Dr. Worsey's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Worsey is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Worsey's licenses on file in 3 states: California, Ohio and Pennsylvania.
Specialties and state licenses
- Colon and rectal surgery, CaliforniaPrimary
- Ohio license
- Pennsylvania license
Clinical focus
Dmand AI lists colonoscopy, colon removal, gastrointestinal obstruction and hemorrhoids among the conditions Dr. Worsey treats.
Colorectal surgeons near Dr. Worsey
Counts of colorectal surgeons 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. Michael Jonathan Worsey billed Medicare for 621 services in 2024
CMS data shows 621 Medicare services from Dr. Worsey across 13 procedure codes in 2024, for 254 Medicare patients. Medicare paid $68,617 for them.
Dr. Worsey's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4022024: 3737%
- Surgery
- 2023: 2432024: 20117%
- Other services
- 2023: 322024: 3613%
- Tests and treatments
- 2023: 212024: 1148%
Where Dr. Worsey's Medicare services took place, 2024
- In an office51282%
- In a facility10918%
Dr. Worsey compared with the California median for colorectal surgeons, 2024
- Dr. Worsey
- California median
- Medicare services
- 621vs 2702.3 times
- Medicare patients
- 254vs 15564% above
- Part D claims
- 94vs 7132% above
Medians across 175 colorectal surgeons in California with Dmand AI profiles that report each measure.
Dr. Worsey'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. Worsey?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Worsey and other colorectal surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Jonathan Worsey treated 254 Medicare patients in 2024, average age 74
CMS counts 254 Medicare patients who saw Dr. Worsey in 2024. The largest group is 65 to 74, with 130 patients. 72% of them have high cholesterol, and 61% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Worsey's median patient age at 63, with 56% women.
Dr. Worsey's Medicare patients by age, 2024
Dr. Worsey's Medicare patients by sex, 2024
- Women13854%
- Men11646%
Chronic conditions among Dr. Worsey's Medicare patients, 2024
- High cholesterol72%
- High blood pressure61%
- Arthritis51%
- Ischemic heart disease28%
- Anxiety27%
- Cancer26%
- Osteoporosis26%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Worsey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women56%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Jonathan Worsey wrote 145 Medicare Part D claims in 2024
In 2024, Dr. Worsey wrote 145 Medicare Part D claims for 75 patients. 81% of them were for generic drugs. CMS names the drug for 94 of them, across 6 drugs with 11 or more claims each, at $5,436 in total drug cost. In 2023, CMS named 93 claims across 6 drugs.
Dr. Worsey's Part D claims by kind of drug, 2024
- Generic118 claims81%
- Brand-name27 claims19%
Dr. Worsey'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. Worsey's Part D claims, 2024
- Opioids12%18 of 145 claims
- Antibiotics30%43 of 145 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: 932024: 941%
Drugs named by CMS: 6 in 2024, 6 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. Michael Jonathan Worsey ranks in the 78th percentile for colonoscopy in Medicare
Dr. Worsey accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Worsey as offering telehealth. CMS counts 92 procedures of colonoscopy by Dr. Worsey, more than 78% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Worsey ranks in Medicare procedure volume
- Colonoscopy
- 78th percentile92 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael Jonathan Worsey has 4 publications on record
Dmand AI links 4 papers to Dr. Worsey. The most frequent topics are Color, Reoperation and Saphenous Vein. Dr. Worsey's most frequent co-authors are Tracy L. Hull, MD and Mario I. Martinasevic, MD.
Topics Dr. Worsey writes about most
- Color
- Reoperation
- Saphenous Vein
- Ultrasonography
Dr. Worsey's most frequent co-authors
Recent publications by Dr. Worsey
J Cardiovasc Surg (Torino)
See who Dr. Worsey researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Worsey works with, so you can find a warm path to the right colorectal surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael Jonathan Worsey received $5,308 in industry payments from 2016 to 2025
CMS Open Payments shows 69 general payments to Dr. Worsey from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 50% of the total. Intuitive Surgical, Inc. paid the most, $1,806.
General payments to Dr. Worsey by program year, 2016 to 2025
General payments to Dr. Worsey by kind, 2016 to 2025
- Food and beverage$2,63650%
- Gifts$1,07820%
- Consulting fees$97518%
- Travel and lodging$62012%
Companies that paid Dr. Worsey the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Jonathan Worsey has 8 awards and honors on record
Dmand AI lists 8 awards for Dr. Worsey, most recently San Diego Top Doctors, Colon and Rectal Surgery in 2021.
Awards and honors for Dr. Worsey
- 2021
- San Diego Top Doctors, Colon and Rectal Surgery
- 2014
- America's Top Doctors
- 2013
- CMS Stage 1 EHR
- Top Doctors:San Diego Area
- 2012
- Top Doctors:Southern California
- 2001
- Fellow American Society of Colon and Rectal Surgeons
Source: Dmand AI Professional Profile Data
Dr. Michael Jonathan Worsey graduated from Guy's, King's and St Thomas' School of Medical Education
Dr. Worsey graduated from Guy's, King's and St Thomas' School of Medical Education in 1985. Dr. Worsey is a member of ACS and ASCRS.
- Medical school
- Board certified in colon & rectal surgery
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Michael Jonathan Worsey accepts plans from 16 insurance carriers
Dr. Worsey is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Worsey accepts, by number of carriers
- PPO10
- Medicare9
- HMO7
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael Jonathan Worsey'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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Michael Jonathan Worsey
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. Michael Jonathan Worsey's NPI number?
Dr. Michael Jonathan Worsey's NPI number is 1629091145. It was assigned on July 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Jonathan Worsey?
Dr. Michael Jonathan Worsey is a colorectal surgeon in La Jolla, California. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).
Where does Dr. Michael Jonathan Worsey practice?
Dr. Worsey practices at 9850 Genesee Ave, La Jolla, CA 92037. Dr. Worsey's primary practice is Scripps Clinic OB-GYN La Jolla Campus in La Jolla, California. Dmand AI also links Dr. Worsey to 2 group practices and clinics and 1 medical group.
What is Dr. Michael Jonathan Worsey's office phone number?
The practice phone on file for Dr. Worsey is (858) 453-0753.
What is Dr. Michael Jonathan Worsey's medical license number?
Dr. Worsey holds California license A69016, one of the licenses on file in 3 states.
Which states has Dr. Michael Jonathan Worsey been licensed in?
Dmand AI has state licenses on file for Dr. Worsey in California (1999 to 2026), Ohio (1998 to 1999) and Pennsylvania (1991 to 1998).
Which hospitals is Dr. Michael Jonathan Worsey affiliated with?
Dr. Worsey is affiliated with Scripps Memorial Hospital La Jolla.
What medical group is Dr. Michael Jonathan Worsey part of?
Dr. Worsey is linked to Scripps Clinic Medical Group. Dmand AI links Dr. Worsey to 1 more medical group.
Does Dr. Michael Jonathan Worsey accept Medicare?
Yes. CMS data shows Dr. Worsey billed Medicare for 621 services in 2024, and Dr. Worsey accepts Medicare assignment.
Does Dr. Michael Jonathan Worsey offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Worsey as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Michael Jonathan Worsey see?
CMS counts 254 Medicare patients who saw Dr. Worsey in 2024, with an average age of 74.
Is Dr. Michael Jonathan Worsey board certified?
Yes. Dr. Worsey is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.
What services does Dr. Michael Jonathan Worsey bill to Medicare?
In 2024, Dr. Worsey's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and surgery: digestive system (46600).
Where did Dr. Michael Jonathan Worsey go to medical school?
Dr. Worsey graduated from Guy's, King's and St Thomas' School of Medical Education in 1985.
What drugs does Dr. Michael Jonathan Worsey prescribe most?
In 2024 Medicare Part D data, Dr. Worsey's most prescribed drugs by claims were Clenpiq, Hydrocortisone and Neomycin Sulfate.
Has Dr. Michael Jonathan Worsey received payments from drug or device companies?
CMS Open Payments shows $5,308 in general payments to Dr. Worsey from 17 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Michael Jonathan Worsey been practicing?
Dr. Worsey graduated from medical school in 1985, 41 years ago.
Does Dr. Michael Jonathan Worsey do research?
Dmand AI links 4 publications to Dr. Worsey.
Who does Dr. Michael Jonathan Worsey publish with?
Dr. Worsey's most frequent co-authors are Tracy L. Hull, MD (1 shared paper) and Mario I. Martinasevic, MD (1 shared paper).
What insurance does Dr. Michael Jonathan Worsey accept?
Dr. Worsey is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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