Dr. Karen L. Gardner, DO
- Medicare services, 2024
- 1,362
- Medicare patients, 2024
- 107
- Part D claims, 2024
- 1,941
- Hospital affiliations
- 5
- Industry payments
- $5,682
- Practice address
- 100 E Lancaster Ave, Wayne, PA 19087
- Practice phone
- Call (610) 645-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lankenau Medical Center
Wayne, Pennsylvania
Find Dr. Gardner'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 L. Gardner is an internist in Wayne, Pennsylvania
Dr. Gardner practices at Lankenau Medical Center in Wayne, Pennsylvania.
Dr. Gardner's NPI, 1205888021, was assigned on May 17, 2006. Dr. Gardner graduated from Rowan University School of Osteopathic Medicine in 1993. Dr. Gardner holds Pennsylvania license OS-009478-L.
- NPI
- 1205888021NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749222024
- NPI enumeration date
- May 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (610) 645-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen L. Gardner practices at Lankenau Medical Center in Wayne, Pennsylvania
Dr. Gardner's primary practice is Lankenau Medical Center, at 100 E Lancaster Ave, Wayne, PA 19087 in Delaware County. The practice phone is (610) 645-2000.
- Lankenau Medical Center100 E Lancaster Ave, Wayne, PA 19087 · Delaware CountyPhone(610) 645-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Karen L. Gardner is affiliated with 10 sites of care and 2 medical groups
Dr. Gardner's primary practice is Lankenau Medical Center in Wayne, Pennsylvania. Dr. Gardner is also affiliated with Lankenau Medical Center. The medical group on file is Clarke & Gardner, PC. Dmand AI also links Dr. Gardner to 4 more hospitals, 2 group practices and clinics, 1 home health agency, 1 skilled nursing facility and 1 medical group, each named with a free account.
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. Karen L. Gardner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gardner practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lankenau Medical Center | Available with a free account |
| +9 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karen L. Gardner is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Gardner's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gardner is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Gardner
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 L. Gardner billed Medicare for 1,362 services in 2024
CMS data shows 1,362 Medicare services from Dr. Gardner across 12 procedure codes in 2024, for 107 Medicare patients. Medicare paid $43,032 for them. Every service was in an office.
Dr. Gardner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 02024: 840
- Other services
- 2023: 1832024: 20210%
- Office and hospital visits
- 2023: 1662024: 1641%
- Surgery
- 2023: 792024: 8710%
- Tests and treatments
- 2023: 1372024: 6950%
Dr. Gardner compared with the Pennsylvania median for internists, 2024
- Dr. Gardner
- Pennsylvania median
- Medicare services
- 1,362vs 4173.3 times
- Medicare patients
- 107vs 18542% below
- Part D claims
- 1,455vs 2246.5 times
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Gardner'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gardner and other internists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karen L. Gardner treated 107 Medicare patients in 2024, average age 76
CMS counts 107 Medicare patients who saw Dr. Gardner in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high cholesterol, and 69% have high blood pressure. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gardner's median patient age at 75, with 79% women.
Dr. Gardner's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gardner's Medicare patients by sex, 2024
- Women8579%
- Men2221%
Chronic conditions among Dr. Gardner's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis52%
- Osteoporosis32%
- Ischemic heart disease28%
- Anxiety24%
- Mood disorders23%
- Cancer18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gardner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women79%
- Men20%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karen L. Gardner wrote 1,941 Medicare Part D claims in 2024
In 2024, Dr. Gardner wrote 1,941 Medicare Part D claims for 109 patients. 86% of them were for generic drugs. CMS names the drug for 1,455 of them, across 58 drugs with 11 or more claims each, at $149,955 in total drug cost. In 2023, CMS named 1,362 claims across 54 drugs.
Dr. Gardner's Part D claims by kind of drug, 2024
- Generic1,662 claims86%
- Brand-name262 claims13%
- Other17 claims1%
Dr. Gardner'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. Gardner's Part D claims, 2024
- Opioids3%59 of 1,941 claims
- Antibiotics2%45 of 1,941 claims
- Antipsychotics, patients 65 and over1%24 of 1,941 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: 1,3622024: 1,4557%
Drugs named by CMS: 58 in 2024, 54 in 2023.
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
How Dr. Karen L. Gardner takes part in Medicare
Dr. Gardner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Karen L. Gardner received $5,682 in industry payments from 2016 to 2025
CMS Open Payments shows 345 general payments to Dr. Gardner from 30 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Novo Nordisk Inc paid the most, $1,392.
General payments to Dr. Gardner by program year, 2016 to 2025
General payments to Dr. Gardner by kind, 2016 to 2025
- Food and beverage$5,49297%
- Education$1903%
Companies that paid Dr. Gardner the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karen L. Gardner graduated from Rowan University School of Osteopathic Medicine
Dr. Gardner graduated from Rowan University School of Osteopathic Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karen L. Gardner'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 L. Gardner
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 L. Gardner's NPI number?
Dr. Karen L. Gardner's NPI number is 1205888021. It was assigned on May 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen L. Gardner?
Dr. Karen L. Gardner is an internist in Wayne, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Karen L. Gardner practice?
Dr. Gardner practices at 100 E Lancaster Ave, Wayne, PA 19087. Dr. Gardner's primary practice is Lankenau Medical Center in Wayne, Pennsylvania. Dmand AI also links Dr. Gardner to 4 hospitals, 2 group practices and clinics, 1 home health agency, 1 skilled nursing facility and 1 medical group.
What is Dr. Karen L. Gardner's office phone number?
The practice phone on file for Dr. Gardner is (610) 645-2000.
What is Dr. Karen L. Gardner's medical license number?
Dr. Gardner holds Pennsylvania license OS-009478-L.
Which hospitals is Dr. Karen L. Gardner affiliated with?
Dr. Gardner is affiliated with Lankenau Medical Center. Dmand AI links Dr. Gardner to 4 more hospitals.
What medical group is Dr. Karen L. Gardner part of?
Dr. Gardner is linked to Clarke & Gardner, PC. Dmand AI links Dr. Gardner to 1 more medical group.
Does Dr. Karen L. Gardner accept Medicare?
Yes. CMS data shows Dr. Gardner billed Medicare for 1,362 services in 2024, and Dr. Gardner accepts Medicare assignment.
How many Medicare patients does Dr. Karen L. Gardner see?
CMS counts 107 Medicare patients who saw Dr. Gardner in 2024, with an average age of 76.
What services does Dr. Karen L. Gardner bill to Medicare?
In 2024, Dr. Gardner's most billed Medicare services were injected or infused drug (J0897), medicare service (G2211) and surgery: heart and blood vessels (36415).
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Where did Dr. Karen L. Gardner go to medical school?
Dr. Gardner graduated from Rowan University School of Osteopathic Medicine in 1993.
What drugs does Dr. Karen L. Gardner prescribe most?
In 2024 Medicare Part D data, Dr. Gardner's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Rosuvastatin Calcium.
Has Dr. Karen L. Gardner received payments from drug or device companies?
CMS Open Payments shows $5,682 in general payments to Dr. Gardner from 30 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Karen L. Gardner been practicing?
Dr. Gardner graduated from medical school in 1993, 33 years ago.
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