Dr. Karen R. Zhou, MD
- Medicare services, 2020
- 45
- Part D claims, 2022
- 38
- Hospital affiliations
- 1
- Industry payments
- $160
- Medical group
- 1
- Practice address
- 6600 Bruceville Road, Sacramento, CA 95823
- Practice phone
- Call (916) 688-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Zhou'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. Karen R. Zhou is an internist in Traverse City, Michigan
Dr. Zhou practices at Kaiser Permanente South Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente.
Dr. Zhou's NPI, 1649358391, was assigned on November 1, 2006. Dr. Zhou holds California license A62464.
- NPI
- 1649358391NPI Registry (opens in a new tab)
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Practice phone
- (916) 688-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen R. Zhou practices in Sacramento and Traverse City
Dr. Zhou's primary practice is Kaiser Permanente South Sacramento Medical Center, at 6600 Bruceville Road, Sacramento, CA 95823 in Sacramento County. The practice phone is (916) 688-2000. The NPI Registry lists Dr. Zhou's practice address as 1105 6th St, Traverse City, MI 49684.
- Kaiser Permanente South Sacramento Medical CenterPrimary6600 Bruceville Road, Sacramento, CA 95823 · Sacramento CountyPhone(916) 688-2000
- NPI Registry address1105 6th St, Traverse City, MI 49684 · Grand Traverse CountyPhone(916) 688-2000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Karen R. Zhou is affiliated with 1 site of care and 1 medical group
Dr. Zhou's primary practice is Kaiser Permanente South Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karen R. Zhou's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zhou practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente South Sacramento Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karen R. Zhou is one of 4,804 internists in Michigan
Internal medicine is Dr. Zhou's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Zhou is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Zhou
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. Karen R. Zhou billed Medicare for 45 services in 2020
CMS data shows 45 Medicare services from Dr. Zhou across 1 procedure code in 2020. Medicare paid $2,686 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Zhou's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 152020: 45200%
Dr. Zhou compared with the Michigan median for internists, 2020
- Dr. Zhou
- Michigan median
- Medicare services
- 45vs 42389% below
- Part D claims
- 38vs 31488% below
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Dr. Zhou's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zhou and other internists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karen R. Zhou's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Zhou's median patient age at 71, with 40% women.
Dr. Zhou's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women40%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. Karen R. Zhou wrote 38 Medicare Part D claims in 2022
In 2022, Dr. Zhou wrote 38 Medicare Part D claims. They cover 1 drug, with $1,938 in total drug cost. In 2021, CMS named 57 claims across 4 drugs.
Dr. Zhou's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 572022: 3833%
Drugs named by CMS: 1 in 2022, 4 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Karen R. Zhou received $160 in industry payments from 2017 to 2018
CMS Open Payments shows 2 general payments to Dr. Zhou from 2 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Tandem Diabetes Care, Inc. paid the most, $125.
General payments to Dr. Zhou by program year, 2017 to 2018
Companies that paid Dr. Zhou the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Karen R. Zhou'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Karen R. Zhou
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 R. Zhou's NPI number?
Dr. Karen R. Zhou's NPI number is 1649358391. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen R. Zhou?
Dr. Karen R. Zhou is an internist in Traverse City, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Karen R. Zhou practice?
Dr. Zhou practices at 6600 Bruceville Road, Sacramento, CA 95823. Dr. Zhou also practices at 1105 6th St, Traverse City, MI 49684. Dr. Zhou's primary practice is Kaiser Permanente South Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente.
What is Dr. Karen R. Zhou's office phone number?
The practice phone on file for Dr. Zhou is (916) 688-2000.
What is Dr. Karen R. Zhou's medical license number?
Dr. Zhou holds California license A62464.
Which hospitals is Dr. Karen R. Zhou affiliated with?
Dr. Zhou practices at Kaiser Permanente South Sacramento Medical Center in Sacramento, California.
What medical group is Dr. Karen R. Zhou part of?
Dr. Zhou is linked to The Permanente Medical Group, Inc.
Does Dr. Karen R. Zhou accept Medicare?
Yes. CMS data shows Dr. Zhou billed Medicare for 45 services in 2020.
What services does Dr. Karen R. Zhou bill to Medicare?
In 2020, Dr. Zhou's most billed Medicare services were hospital inpatient care (99232).
What drugs does Dr. Karen R. Zhou prescribe most?
In 2022 Medicare Part D data, Dr. Zhou's most prescribed drugs by claims were Adacel Tdap.
Has Dr. Karen R. Zhou received payments from drug or device companies?
CMS Open Payments shows $160 in general payments to Dr. Zhou from 2 companies from 2017 to 2018. The largest total came from Tandem Diabetes Care, Inc.
How long has Dr. Karen R. Zhou been practicing?
Dr. Zhou graduated from medical school in 1982, 44 years ago.
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