Dr. Shannon Kareen Walsh, DO

  • San Diego, CA
  • Internist
NPI1558472779PAC ID7113925033
Medicare services, 2024
625
Medicare patients, 2024
136
Part D claims, 2024
1,080
MIPS score, 2024
90
Hospital affiliations
1
Practice address
6699 Alvarado Rd, San Diego, CA 92120
Practice phone
Call (619) 229-3920
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Regents of the University of California

San Diego, California

See all 3 affiliations

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Dr. Shannon Kareen Walsh is an internist in San Diego, California

Dr. Walsh practices at Regents of the University of California in San Diego, California.

Dr. Walsh's NPI, 1558472779, was assigned on August 31, 2006. Dr. Walsh graduated from WesternU College of Osteopathic Medicine of the Pacific in 2002. Dr. Walsh holds California license 20A8617.

NPI and contact details
Medicare PAC ID
7113925033
NPI enumeration date
August 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(619) 229-3920
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
50
Medical school graduation
2002

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Shannon Kareen Walsh practices at Regents of the University of California in San Diego, California

Dr. Walsh's primary practice is Regents of the University of California, at 6699 Alvarado Rd, San Diego, CA 92120 in San Diego County. The practice phone is (619) 229-3920.

  • Regents of the University of California
    6699 Alvarado Rd, San Diego, CA 92120 · San Diego CountyPhone(619) 229-3920

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Shannon Kareen Walsh is affiliated with 2 sites of care and 1 medical group

Dr. Walsh's primary practice is Regents of the University of California in San Diego, California. Dr. Walsh is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health.

See all 3 affiliations for Dr. Walsh

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Shannon Kareen Walsh's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walsh practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Regents of the University of CaliforniaAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Shannon Kareen Walsh is one of 16,751 internists in California

Internal medicine is Dr. Walsh's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Walsh is board certified in internal medicine by the American Board of Internal Medicine. Dr. Walsh is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense 20A8617 · 2004 to 2026 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acid reflux, acute sinusitis, acute skin infection, anxiety, arthritis, asthma, atrial fibrillation and flutter and benign or precancerous skin growths among the conditions Dr. Walsh treats.

Internists near Dr. Walsh

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. Shannon Kareen Walsh billed Medicare for 625 services in 2024

CMS data shows 625 Medicare services from Dr. Walsh across 12 procedure codes in 2024, for 136 Medicare patients. Medicare paid $51,391 for them. Every service was in an office.

Medicare services, 2024625
Medicare patients136
Paid by Medicare$51,391
Procedure codes12

Dr. Walsh's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1852024: 28252%
Other services
2023: 462024: 276500%
Tests and treatments
2023: 02024: 67
Lab and pathology
2023: 192024: 0100%

Dr. Walsh compared with the California median for internists, 2024

  • Dr. Walsh
  • California median
Medicare services
625vs 36173% above
Medicare patients
136vs 15110% below
Part D claims
686vs 42163% above

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Walsh'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.

See all procedures by Dr. Walsh

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Shannon Kareen Walsh treated 136 Medicare patients in 2024, average age 72

CMS counts 136 Medicare patients who saw Dr. Walsh in 2024. The largest group is 65 to 74, with 74 patients. 75% of them have high cholesterol, and 58% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Walsh's median patient age at 60, with 71% women.

Medicare patients, 2024136
Average age72
Average risk score1.24
Also on Medicaid8%

Dr. Walsh's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Walsh's Medicare patients by sex, 2024

  • Women9671%
  • Men4029%

Chronic conditions among Dr. Walsh's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure58%
  3. Arthritis49%
  4. Mood disorders28%
  5. Anxiety27%
  6. Depression25%
  7. Osteoporosis25%
  8. Cancer20%

Share of Medicare patients with each condition. A patient can have several.

Dr. Walsh's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women71%
  • Men27%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Shannon Kareen Walsh wrote 1,080 Medicare Part D claims in 2024

In 2024, Dr. Walsh wrote 1,080 Medicare Part D claims for 214 patients. 85% of them were for generic drugs. CMS names the drug for 686 of them, across 24 drugs with 11 or more claims each, at $62,721 in total drug cost. In 2023, CMS named 386 claims across 15 drugs.

Part D claims, 20241,080
Drugs named by CMS24
Total drug cost$62,721
Part D patients214

Dr. Walsh's Part D claims by kind of drug, 2024

  • Generic915 claims85%
  • Brand-name and other165 claims15%

Dr. Walsh'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. Walsh's Part D claims, 2024

  • Antibiotics2%26 of 1,080 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: 3862024: 68678%

Drugs named by CMS: 24 in 2024, 15 in 2023.

See all prescribing by Dr. Walsh

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. Shannon Kareen Walsh scored 90 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Walsh for performance year 2024, reported as part of a group. Dr. Walsh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Walsh as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Walsh's MIPS scores, performance year 2024

  • 90of 100Final score
  • 93.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Shannon Kareen Walsh received $2,834 in industry payments from 2016 to 2024

CMS Open Payments shows 28 general payments to Dr. Walsh from 9 drug and device companies from 2016 to 2024. Travel and lodging make up the largest share, 53% of the total. Edwards Lifesciences Corporation paid the most, $1,968.

General payments to Dr. Walsh by program year, 2016 to 2024

General payments to Dr. Walsh by kind, 2016 to 2024

$2.8Kin total
  • Travel and lodging$1,50453%
  • Food and beverage$1,33047%

Companies that paid Dr. Walsh the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Walsh

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Shannon Kareen Walsh graduated from WesternU College of Osteopathic Medicine of the Pacific

Dr. Walsh graduated from WesternU College of Osteopathic Medicine of the Pacific in 2002.

  1. Medical schoolWesternU College of Osteopathic Medicine of the Pacific
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in pediatricsAmerican Board of Pediatrics
  4. Board certified in pediatricsAOA Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. Shannon Kareen Walsh accepts plans from 14 insurance carriers

Dr. Walsh is in network with 14 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
  • +6 more carriersWith a free account

Plan types Dr. Walsh accepts, by number of carriers

  1. PPO10
  2. Medicare8
  3. HMO7
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Shannon Kareen Walsh's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Shannon Kareen Walsh

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. Shannon Kareen Walsh's NPI number?

Dr. Shannon Kareen Walsh's NPI number is 1558472779. It was assigned on August 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Shannon Kareen Walsh?

Dr. Shannon Kareen Walsh is an internist in San Diego, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Shannon Kareen Walsh practice?

Dr. Walsh practices at 6699 Alvarado Rd, San Diego, CA 92120. Dr. Walsh's primary practice is Regents of the University of California in San Diego, California.

What is Dr. Shannon Kareen Walsh's office phone number?

The practice phone on file for Dr. Walsh is (619) 229-3920.

What is Dr. Shannon Kareen Walsh's medical license number?

Dr. Walsh holds California license 20A8617.

Which hospitals is Dr. Shannon Kareen Walsh affiliated with?

Dr. Walsh is affiliated with Hillcrest Medical Center.

What medical group is Dr. Shannon Kareen Walsh part of?

Dr. Walsh is linked to UC San Diego Health.

Does Dr. Shannon Kareen Walsh accept Medicare?

Yes. CMS data shows Dr. Walsh billed Medicare for 625 services in 2024, and Dr. Walsh accepts Medicare assignment.

Does Dr. Shannon Kareen Walsh offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Walsh as offering telehealth services.

What is Dr. Shannon Kareen Walsh's MIPS score?

Dr. Walsh's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Shannon Kareen Walsh see?

CMS counts 136 Medicare patients who saw Dr. Walsh in 2024, with an average age of 72.

Is Dr. Shannon Kareen Walsh board certified?

Yes. Dr. Walsh is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Shannon Kareen Walsh bill to Medicare?

In 2024, Dr. Walsh's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, new patient (99204).

Where did Dr. Shannon Kareen Walsh go to medical school?

Dr. Walsh graduated from WesternU College of Osteopathic Medicine of the Pacific in 2002.

What drugs does Dr. Shannon Kareen Walsh prescribe most?

In 2024 Medicare Part D data, Dr. Walsh's most prescribed drugs by claims were Rosuvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.

Has Dr. Shannon Kareen Walsh received payments from drug or device companies?

CMS Open Payments shows $2,834 in general payments to Dr. Walsh from 9 companies from 2016 to 2024. The largest total came from Edwards Lifesciences Corporation.

How long has Dr. Shannon Kareen Walsh been practicing?

Dr. Walsh graduated from medical school in 2002, 24 years ago.

What insurance does Dr. Shannon Kareen Walsh accept?

Dr. Walsh is in network with 14 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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