Karen Michelle Herrell, APRN

  • Campbell, CA
  • Family nurse practitioner
NPI1063080166PAC ID0345630893
Medicare patients, 2024
31
Part D claims, 2024
825
MIPS score, 2024
89
Hospital affiliations
4
Medical groups
2
Practice address
900 E Hamilton Ave, Campbell, CA 95008
Practice phone
Call (469) 466-7007
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Signify Health

Campbell, California

See all 9 affiliations

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Karen Michelle Herrell is a family nurse practitioner in Campbell, California

Karen Herrell practices at Signify Health in Campbell, California.

Karen Herrell's NPI, 1063080166, was assigned on June 15, 2021. Karen Herrell holds Kentucky license 3016223.

NPI and contact details
Medicare PAC ID
0345630893
NPI enumeration date
June 15, 2021
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(469) 466-7007
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
32
Medical school graduation
2020

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

Karen Michelle Herrell practices at Signify Health in Campbell, California

Karen Herrell's primary practice is Signify Health, at 900 E Hamilton Ave, Campbell, CA 95008 in Santa Clara County. The practice phone is (469) 466-7007.

  • Signify Health
    900 E Hamilton Ave, Campbell, CA 95008 · Santa Clara CountyPhone(469) 466-7007

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

Karen Michelle Herrell is affiliated with 7 sites of care and 2 medical groups

Karen Herrell's primary practice is Signify Health in Campbell, California. Karen Herrell is also affiliated with Norton Hospital. The medical group on file is Signify Health. Dmand AI also links Karen Herrell to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 9 affiliations for Karen Herrell

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

Dmand AI tracks the EHR system at Karen Michelle Herrell's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Karen Herrell practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Signify HealthAvailable with a free account
+6 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Karen Michelle Herrell is one of 13,532 family nurse practitioners in California

Family is Karen Herrell's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Karen Herrell is licensed in Kentucky.

Specialties and state licenses

  • Family nurse practitioner, KentuckyPrimaryLicense 3016223 · taxonomy 363LF0000X

Family nurse practitioners near Karen Herrell

Counts of family nurse practitioners 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

Karen Michelle Herrell treated 31 Medicare patients in 2024, average age 58

CMS counts 31 Medicare patients who saw Karen Herrell in 2024. The largest group is under 65, with 18 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. Their average risk score is 5.18, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Karen Herrell's median patient age at 64, with 44% women.

Medicare patients, 202431
Average age58
Average risk score5.18

Karen Herrell's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Karen Herrell's Medicare patients by sex, 2024

  • Women1135%
  • Men2065%

Chronic conditions among Karen Herrell's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol65%
  4. Diabetes55%

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

Karen Herrell's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women44%
  • Men56%

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

Karen Michelle Herrell wrote 825 Medicare Part D claims in 2024

In 2024, Karen Herrell wrote 825 Medicare Part D claims for 143 patients. 94% of them were for generic drugs.

Part D claims, 2024825
Part D patients143

Karen Herrell's Part D claims by kind of drug, 2024

  • Generic772 claims94%
  • Brand-name and other53 claims6%

Drug classes CMS tracks in Karen Herrell's Part D claims, 2024

  • Antibiotics8%66 of 825 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Karen Michelle Herrell scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Karen Herrell for performance year 2024, reported as part of a group. Karen Herrell accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Karen Herrell's MIPS scores, performance year 2024

  • 89of 100Final score
  • 78.2of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 100Cost

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

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

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Sources for Karen Michelle Herrell'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 Data
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 (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)
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 Karen Michelle Herrell

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Karen Michelle Herrell's NPI number?

Karen Michelle Herrell's NPI number is 1063080166. It was assigned on June 15, 2021, and it is active in the NPI Registry.

What does Karen Michelle Herrell specialize in?

Karen Michelle Herrell is a family nurse practitioner in Campbell, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Karen Michelle Herrell practice?

Karen Herrell practices at 900 E Hamilton Ave, Campbell, CA 95008. Karen Herrell's primary practice is Signify Health in Campbell, California. Dmand AI also links Karen Herrell to 3 hospitals, 2 group practices and clinics and 1 medical group.

What is Karen Michelle Herrell's office phone number?

The practice phone on file for Karen Herrell is (469) 466-7007.

What is Karen Michelle Herrell's medical license number?

Karen Herrell holds Kentucky license 3016223.

Which hospitals is Karen Michelle Herrell affiliated with?

Karen Herrell is affiliated with Norton Hospital. Dmand AI links Karen Herrell to 3 more hospitals.

What medical group is Karen Michelle Herrell part of?

Karen Herrell is linked to Signify Health. Dmand AI links Karen Herrell to 1 more medical group.

Does Karen Michelle Herrell accept Medicare?

Yes. CMS lists Karen Herrell as accepting Medicare assignment.

What is Karen Michelle Herrell's MIPS score?

Karen Herrell's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

How many Medicare patients does Karen Michelle Herrell see?

CMS counts 31 Medicare patients who saw Karen Herrell in 2024, with an average age of 58.

How long has Karen Michelle Herrell been practicing?

Karen Herrell graduated from medical school in 2020, 6 years ago.

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