Karren Lewis

  • Salisbury, MD
  • OB-GYN
NPI1083003719PAC ID4789081670
Medicare services, 2024
14
Medicare patients, 2024
30
Part D claims, 2024
62
Publications
3
MIPS score, 2024
79
Practice address
100 East Carroll Avenue, Salisbury, MD 21801
Practice phone
Call (410) 546-6400
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

TidalHealth Peninsula Regional

Hospital · Salisbury, Maryland

See all 5 affiliations

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Karren Lewis is an OB-GYN in Salisbury, Maryland

Karren Lewis practices at TidalHealth Peninsula Regional in Salisbury, Maryland, part of TidalHealth Peninsula Regional.

Karren Lewis' NPI, 1083003719, was assigned on January 19, 2015. Karren Lewis graduated from University Of Washington School Of Medicine in 2016. Karren Lewis' Texas license number on file is T3325.

NPI and contact details
Medicare PAC ID
4789081670
NPI enumeration date
January 19, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(410) 546-6400
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
35
Medical school graduation
2016

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

Karren Lewis practices at TidalHealth Peninsula Regional in Salisbury, Maryland

Karren Lewis' primary practice is TidalHealth Peninsula Regional, at 100 East Carroll Avenue, Salisbury, MD 21801 in Wicomico County. The practice phone is (410) 546-6400.

Source: Dmand AI Affiliation Data

Karren Lewis is affiliated with 3 sites of care and 2 medical groups

Karren Lewis' primary practice is TidalHealth Peninsula Regional in Salisbury, Maryland, part of TidalHealth Peninsula Regional. The medical group on file is TidalHealth Cardiovascular Surgery. Dmand AI also links Karren Lewis to 1 more community health center, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Karren Lewis

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

Dmand AI tracks the EHR system at Karren Lewis' practice

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

EHR by site
SiteEHR vendor and product
TidalHealth Peninsula RegionalAvailable 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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Karren Lewis is one of 945 OB-GYNs in Maryland

Obstetrics and gynecology is Karren Lewis' primary specialty in the NPI Registry, under taxonomy code 207V00000X. Karren Lewis is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Karren Lewis' licenses on file in 4 states: Texas, Delaware, Maryland and California.

Specialties and state licenses

  • Obstetrics and gynecology, TexasPrimaryLicense T3325 · 2021 to 2025 · taxonomy 207V00000X
  • Delaware license2025 to 2027
  • Maryland license2025 to 2026
  • California license2018 to 2022

OB-GYNs near Karren Lewis

Counts of OB-GYNs 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

Karren Lewis billed Medicare for 14 services in 2024

CMS data shows 14 Medicare services from Karren Lewis across 1 procedure code in 2024, all of them office visits, for 30 Medicare patients. Medicare paid $665 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202414
Medicare patients30
Paid by Medicare$665
Procedure codes1

Karren Lewis' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 122024: 1417%

Karren Lewis compared with the Maryland median for OB-GYNs, 2024

  • Karren Lewis
  • Maryland median
Medicare services
14vs 6779% below
Medicare patients
30vs 5646% below
Part D claims
17vs 2839% below

Medians across 788 OB-GYNs in Maryland with Dmand AI profiles that report each measure.

Karren Lewis' 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 Karren Lewis

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

Karren Lewis treated 30 Medicare patients in 2024, average age 64

CMS counts 30 Medicare patients who saw Karren Lewis in 2024. The largest group is under 65, with 12 patients. 73% of them have high blood pressure, and 50% have anxiety. Their average risk score is 1.21, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Karren Lewis' median patient age at 35, with 99% women.

Medicare patients, 202430
Average age64
Average risk score1.21

Karren Lewis' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Karren Lewis' Medicare patients, 2024

  1. High blood pressure73%
  2. Anxiety50%
  3. High cholesterol50%
  4. Arthritis47%
  5. Mood disorders43%
  6. Depression40%

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

Karren Lewis' patients across all payers

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

Patient panel by age, all payers

Median age 35

Patient panel by sex, all payers

  • Women99%
  • Men0%

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

Karren Lewis wrote 62 Medicare Part D claims in 2024

In 2024, Karren Lewis wrote 62 Medicare Part D claims for 30 patients. 97% of them were for generic drugs. CMS names the drug for 17 of them, across 1 drug with 11 or more claims each, at $766 in total drug cost. In 2022, CMS named 11 claims across 1 drug.

Part D claims, 202462
Drugs named by CMS1
Total drug cost$766
Part D patients30

Karren Lewis' Part D claims by kind of drug, 2024

  • Generic60 claims97%
  • Brand-name and other2 claims3%

Karren Lewis' 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.

Part D claims for drugs CMS names, 2022 to 2024

  • 2022
  • 2024
Claims for drugs CMS names
2022: 112024: 1755%

Drugs named by CMS: 1 in 2024, 1 in 2022.

See all prescribing by Karren Lewis

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

Karren Lewis scored 79 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Karren Lewis for performance year 2024, reported as part of a group. Karren Lewis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Karren Lewis as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Karren Lewis' MIPS scores, performance year 2024

  • 79of 100Final score
  • 73.4of 100Quality
  • 40of 100Improvement Activities
  • 78of 100Cost

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

Removal of the uterus: 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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Karren Lewis has 3 publications on record

Dmand AI links 3 papers to Karren Lewis, published from 2019 to 2024. Karren Lewis' most frequent co-authors are Elizabeth Kay Harrington, MD, Alicia Lunardhi, DO and Jennifer Anna Unger, MD.

Papers3
Years published2019 to 2024

Karren Lewis' most frequent co-authors

Recent publications by Karren Lewis

See all 3 publications and co-authors

See who Karren Lewis researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Karren Lewis works with, so you can find a warm path to the right OB-GYNs.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Karren Lewis received $7,145 in industry payments from 2019 to 2025

CMS Open Payments shows 28 general payments to Karren Lewis from 4 drug and device companies from 2019 to 2025. Education make up the largest share, 56% of the total. Intuitive Surgical, Inc. paid the most, $6,987.

General payments to Karren Lewis by program year, 2019 to 2025

General payments to Karren Lewis by kind, 2019 to 2025

$7.1Kin total
  • Education$4,00056%
  • Travel and lodging$2,54236%
  • Food and beverage$6028%

Companies that paid Karren Lewis the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Karren Lewis

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

Karren Lewis graduated from University Of Washington School Of Medicine

Karren Lewis graduated from University Of Washington School Of Medicine in 2016.

  1. Medical schoolUniversity Of Washington School Of Medicine
  2. Board certified in obstetrics & gynecologyAmerican Board of Obstetrics and Gynecology

Source: Dmand AI Professional Profile Data

Karren Lewis accepts plans from 20 insurance carriers

Karren Lewis is in network with 20 carriers, including Aetna, United Healthcare and Cigna. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

Plan types Karren Lewis accepts, by number of carriers

  1. PPO13
  2. HMO11
  3. Medicare9
  4. POS4
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Karren Lewis'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 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 Karren Lewis

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

What is Karren Lewis' NPI number?

Karren Lewis' NPI number is 1083003719. It was assigned on January 19, 2015, and it is active in the NPI Registry.

What does Karren Lewis specialize in?

Karren Lewis is an OB-GYN in Salisbury, Maryland. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Karren Lewis practice?

Karren Lewis practices at 100 East Carroll Avenue, Salisbury, MD 21801. Karren Lewis' primary practice is TidalHealth Peninsula Regional in Salisbury, Maryland, part of TidalHealth Peninsula Regional. Dmand AI also links Karren Lewis to 1 community health center, 1 group practice or clinic and 1 medical group.

What is Karren Lewis' office phone number?

The practice phone on file for Karren Lewis is (410) 546-6400.

What is Karren Lewis' medical license number?

Karren Lewis' Texas license number on file is T3325, one of the licenses on file in 4 states.

Which states has Karren Lewis been licensed in?

Dmand AI has state licenses on file for Karren Lewis in Texas (2021 to 2025), Delaware (2025 to 2027), Maryland (2025 to 2026) and California (2018 to 2022).

Which hospitals is Karren Lewis affiliated with?

Karren Lewis practices at TidalHealth Peninsula Regional in Salisbury, Maryland.

What medical group is Karren Lewis part of?

Karren Lewis is linked to TidalHealth Cardiovascular Surgery. Dmand AI links Karren Lewis to 1 more medical group.

Does Karren Lewis accept Medicare?

Yes. CMS data shows Karren Lewis billed Medicare for 14 services in 2024, and Karren Lewis accepts Medicare assignment.

Does Karren Lewis offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Karren Lewis as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Karren Lewis' MIPS score?

Karren Lewis' MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.

How many Medicare patients does Karren Lewis see?

CMS counts 30 Medicare patients who saw Karren Lewis in 2024, with an average age of 64.

Is Karren Lewis board certified?

Yes. Karren Lewis is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.

What services does Karren Lewis bill to Medicare?

In 2024, Karren Lewis' most billed Medicare services were office visit, established patient (99213).

Where did Karren Lewis go to medical school?

Karren Lewis graduated from University Of Washington School Of Medicine in 2016.

What drugs does Karren Lewis prescribe most?

In 2024 Medicare Part D data, Karren Lewis' most prescribed drugs by claims were Estradiol.

Has Karren Lewis received payments from drug or device companies?

CMS Open Payments shows $7,145 in general payments to Karren Lewis from 4 companies from 2019 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Karren Lewis been practicing?

Karren Lewis graduated from medical school in 2016, 10 years ago.

Does Karren Lewis do research?

Dmand AI links 3 publications to Karren Lewis, published from 2019 to 2024.

Who does Karren Lewis publish with?

Karren Lewis' most frequent co-authors are Elizabeth Kay Harrington, MD (1 shared paper), Alicia Lunardhi, DO (1 shared paper) and Jennifer Anna Unger, MD (1 shared paper).

What insurance does Karren Lewis accept?

Karren Lewis is in network with 20 carriers, including Aetna, United Healthcare and Cigna. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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