DR. MICHAEL JONATHAN WORSEY MD
NPI 1629091145
Colon & Rectal Surgery in La Jolla, CA

Active since July 25, 2006PECOS EnrolledAccepts Medicare Assignment
9834 GENESEE AVE, 201, LA JOLLA, CA 92037(858) 558-2272(858) 558-2285 Get Directions Write a Review

NPPES record last updated: July 10, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Michael Jonathan Worsey Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MICHAEL JONATHAN WORSEY MD (NPI 1629091145) is an individual colon & rectal surgery provider in La Jolla, California, licensed in California (A069016) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1985).

NPPES Registry Identity

NPI1629091145
Entity TypeIndividualMale
Primary Taxonomy208C00000X
Provider Legal NameDR. MICHAEL JONATHAN WORSEYCredential: MD
Location Address9834 GENESEE AVE, 201La Jolla, CA 92037-1223
Mailing Address10790 Rancho Bernardo RdSan Diego, CA 92127-5705 · (858) 558-2272
Fax(858) 558-2285
Sole ProprietorNo
Medical School CMSOtherGraduated 1985
Enumeration DateJuly 25, 2006
Last NPPES UpdateJuly 10, 2025
NPPES CertifiedJuly 10, 2025
NPI 1629091145 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License Licensed in CA · A069016
Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
Also ListedSpecialistTaxonomy 174400000X · License A069016 (CA)
9834 GENESEE AVE, La Jolla, CA 92037

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Michael Jonathan Worsey Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8921016809
PECOS Enrollment IDI20100316000070
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
146 services115 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
90 services90 patients
Diagnostic exam of anus using an endoscope 46600
This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.
80 services71 patients
Removal of external hemorrhoids by rubber banding 46221
Rubber band ligation is a procedure used to treat external hemorrhoids. A doctor places small rubber bands around the base of the hemorrhoids. This cuts off blood supply, causing them to shrink and fall off, typically within a week.
55 services38 patients
Diagnostic exam of lower portion of large bowel using a flexible endoscope 45330
This procedure, known as a sigmoidoscopy, involves using a flexible tube with a camera to examine the lower part of your large bowel. It helps in identifying issues like inflammation, ulcers, or abnormal growths. It's a safe, minimally invasive procedure.
51 services47 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
51 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92037 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 15

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Ostomy skin barrier, liquid (spray, brush, etc.), per oz A4369
DME-Orthotic Devices · category DF010N
4 suppliers11 claims42 services$1.99 avg. paid by Medicare
Ostomy skin barrier, powder, per oz A4371
DME-Orthotic Devices · category DF010N
6 suppliers14 claims41 services$3.47 avg. paid by Medicare
Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385
DME-Orthotic Devices · category DF010N
8 suppliers48 claims1,500 services$4.86 avg. paid by Medicare
Ostomy pouch, drainable, with extended wear barrier attached, (1 piece), each A4388
DME-Orthotic Devices · category DF010N
4 suppliers14 claims360 services$3.69 avg. paid by Medicare
Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce A4394
DME-Orthotic Devices · category DF010N
4 suppliers16 claims208 services$1.92 avg. paid by Medicare
Ostomy skin barrier, pectin-based, paste, per ounce A4406
DME-Orthotic Devices · category DF010N
3 suppliers13 claims77 services$5.51 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Ophthalmology
9834 GENESEE AVE, SUITE 200
LA JOLLA, CA 92037
Internal Medicine (Cardiovascular Disease)
9834 GENESEE AVE, SUITE 300
LA JOLLA, CA 92037
Speech-Language Pathologist
9834 GENESEE AVE
LA JOLLA, CA 92037
Plastic Surgery
9834 GENESEE AVE, SUITE 210
LA JOLLA,, CA 92037
Ophthalmology
9834 GENESEE AVE, SUITE 200
LA JOLLA, CA 92037
Marriage & Family Therapist
9834 GENESEE AVE, STE. 427
LA JOLLA, CA 92037
Specialist
9834 GENESEE AVE, SUITE #411
LA JOLLA, CA 92037
Specialist
9834 GENESEE AVE, 411
LA JOLLA, CA 92037

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Worsey's NPI number?

The NPI number for Michael Worsey is 1629091145. It was assigned to this individual provider in the NPPES registry on July 25, 2006.

Where is Michael Worsey located?

Michael Worsey practices at 9834 Genesee Ave 201, La Jolla, CA 92037. The listed phone number is (858) 558-2272.

What is Michael Worsey's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Michael Worsey enrolled in Medicare?

Yes. Michael Worsey is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Michael Worsey was last updated on July 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.