Dr. Karen S. Loper, MD

  • San Diego, CA
  • Pediatrician
NPI1619908936
Industry payments
$836
Affiliated sites
3
Medical groups
2
Insurance carriers
5
State license
1
Practice address
550 Washington Street, Suite 101, San Diego, CA 92103
Practice phone
Call (619) 686-3670
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Scripps Mercy Surgery Pavilion

Surgery Center - Medicare-Certified · San Diego, California

See all 5 affiliations

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Dr. Karen S. Loper is a pediatrician in San Diego, California

Dr. Loper practices at Scripps Mercy Surgery Pavilion in San Diego, California.

Dr. Loper's NPI, 1619908936, was assigned on July 5, 2006. Dr. Loper graduated from UC San Diego School of Medicine in 1991. Dr. Loper holds California license G76438.

NPI and contact details
NPI enumeration date
July 5, 2006
NPI status
Active
Practice phone
(619) 686-3670
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Medical school graduation
1991

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Karen S. Loper practices at Scripps Mercy Surgery Pavilion in San Diego, California

Dr. Loper's primary practice is Scripps Mercy Surgery Pavilion, at 550 Washington Street, Suite 101, San Diego, CA 92103. The practice phone is (619) 686-3670.

  • Scripps Mercy Surgery Pavilion
    550 Washington Street, Suite 101, San Diego, CA 92103Phone(619) 686-3670

Source: Dmand AI Affiliation Data

Dr. Karen S. Loper is affiliated with 3 sites of care and 2 medical groups

Dr. Loper's primary practice is Scripps Mercy Surgery Pavilion in San Diego, California. The medical group on file is Rady Children's Specialists of San Diego. Dmand AI also links Dr. Loper to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Loper

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Karen S. Loper's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Loper practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Scripps Mercy Surgery PavilionAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Karen S. Loper is one of 8,236 pediatricians in California

Pediatrics is Dr. Loper's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Loper is board certified in adolescent medicine by the American Board of Pediatrics. Dr. Loper is licensed in California.

Specialties and state licenses

  • Pediatrics, CaliforniaPrimaryLicense G76438 · 1993 to 2027 · taxonomy 208000000X

Pediatricians near Dr. Loper

Counts of pediatricians 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. Karen S. Loper's patients have a median age of 10

Across all payers, Dmand AI patient panel data puts Dr. Loper's median patient age at 10, with 49% women.

Dr. Loper's patients across all payers

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

Patient panel by age, all payers

Median age 10

Patient panel by sex, all payers

  • Women49%
  • Men50%

Source: Dmand AI Patient Panel Data

Dr. Karen S. Loper received $836 in industry payments from 2020 to 2025

CMS Open Payments shows 40 general payments to Dr. Loper from 12 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 90% of the total. Cranial Technologies, Inc paid the most, $197.

General payments to Dr. Loper by program year, 2020 to 2025

General payments to Dr. Loper by kind, 2020 to 2025

$836in total
  • Food and beverage$75190%
  • Device or supply loans$8510%

Companies that paid Dr. Loper the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Loper

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

Dr. Karen S. Loper has 3 awards and honors on record

Dmand AI lists 3 awards for Dr. Loper, most recently Top Doctors:San Diego Area in 2013.

Awards and honors for Dr. Loper

  1. 2013
    • Top Doctors:San Diego Area
  2. 2012
    • Top Doctors:Southern California
  3. Undated
    • AAP Fellow

Source: Dmand AI Professional Profile Data

Dr. Karen S. Loper graduated from UC San Diego School of Medicine

Dr. Loper graduated from UC San Diego School of Medicine in 1991. Dr. Loper is a member of AAP.

  1. Medical schoolUC San Diego School of Medicine
  2. Board certified in adolescent medicineAmerican Board of Pediatrics
  3. Board certified in pediatricsAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. Karen S. Loper accepts plans from 5 insurance carriers

Dr. Loper is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina

Plan types Dr. Loper accepts, by number of carriers

  1. Medicare4
  2. PPO4
  3. HMO3
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Karen S. Loper'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Karen S. Loper

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. Karen S. Loper's NPI number?

Dr. Karen S. Loper's NPI number is 1619908936. It was assigned on July 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Karen S. Loper?

Dr. Karen S. Loper is a pediatrician in San Diego, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).

Where does Dr. Karen S. Loper practice?

Dr. Loper practices at 550 Washington Street, Suite 101, San Diego, CA 92103. Dr. Loper's primary practice is Scripps Mercy Surgery Pavilion in San Diego, California. Dmand AI also links Dr. Loper to 2 group practices and clinics and 1 medical group.

What is Dr. Karen S. Loper's office phone number?

The practice phone on file for Dr. Loper is (619) 686-3670.

What is Dr. Karen S. Loper's medical license number?

Dr. Loper holds California license G76438.

What medical group is Dr. Karen S. Loper part of?

Dr. Loper is linked to Rady Children's Specialists of San Diego. Dmand AI links Dr. Loper to 1 more medical group.

Is Dr. Karen S. Loper board certified?

Yes. Dr. Loper is board certified in adolescent medicine by the American Board of Pediatrics.

Where did Dr. Karen S. Loper go to medical school?

Dr. Loper graduated from UC San Diego School of Medicine in 1991.

Has Dr. Karen S. Loper received payments from drug or device companies?

CMS Open Payments shows $836 in general payments to Dr. Loper from 12 companies from 2020 to 2025. The largest total came from Cranial Technologies, Inc.

How long has Dr. Karen S. Loper been practicing?

Dr. Loper graduated from medical school in 1991, 35 years ago.

What insurance does Dr. Karen S. Loper accept?

Dr. Loper is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.

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