Karen Feldman, CRNP
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 19
- Hospital affiliations
- 1
- Industry payments
- $40
- Medical group
- 1
- Practice address
- 341 N Calvert St, Baltimore, MD 21202
- Practice phone
- Call (410) 633-6300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Teresa Hoffman M.D. and Associates
Baltimore, Maryland
Find Karen Feldman'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.
Karen Feldman is a family nurse practitioner in Baltimore, Maryland
Karen Feldman practices at Teresa Hoffman M.D. and Associates in Baltimore, Maryland.
Karen Feldman's NPI, 1104396829, was assigned on November 26, 2018. Karen Feldman holds Maryland license R196482.
- NPI
- 1104396829NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274879317
- NPI enumeration date
- November 26, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 633-6300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Karen Feldman practices at Teresa Hoffman M.D. and Associates in Baltimore, Maryland
Karen Feldman's primary practice is Teresa Hoffman M.D. and Associates, at 341 N Calvert St, Baltimore, MD 21202 in Baltimore City. The practice phone is (410) 633-6300.
- Teresa Hoffman M.D. and Associates341 N Calvert St, Baltimore, MD 21202 · Baltimore CityPhone(410) 633-6300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Karen Feldman is affiliated with 3 sites of care and 1 medical group
Karen Feldman's primary practice is Teresa Hoffman M.D. and Associates in Baltimore, Maryland. Karen Feldman is also affiliated with Mercy Medical Center. The medical group on file is Hoffman and Associates OB/GYN. Dmand AI also links Karen Feldman to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Karen Feldman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Karen Feldman practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Teresa Hoffman M.D. and Associates | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Karen Feldman is one of 3,917 family nurse practitioners in Maryland
Family is Karen Feldman's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Karen Feldman is licensed in Maryland.
Specialties and state licenses
- Family nurse practitioner, MarylandPrimary
Family nurse practitioners near Karen Feldman
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 Feldman treated 11 Medicare patients in 2024, average age 54
CMS counts 11 Medicare patients who saw Karen Feldman in 2024. The largest group is 75 to 84, with 0 patients. Their average risk score is 0.73, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Karen Feldman's median patient age at 16, with 64% women.
Karen Feldman's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Karen Feldman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 16
Patient panel by sex, all payers
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Karen Feldman wrote 19 Medicare Part D claims in 2024
In 2024, Karen Feldman wrote 19 Medicare Part D claims for 11 patients. 95% of them were for generic drugs.
Karen Feldman's Part D claims by kind of drug, 2024
- Generic18 claims95%
- Brand-name and other1 claims5%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Karen Feldman takes part in Medicare
Karen Feldman 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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Karen Feldman received $40 in industry payments in 2025
CMS Open Payments shows 2 general payments to Karen Feldman from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $22.
Companies that paid Karen Feldman the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Karen Feldman'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 Data |
| 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 (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) |
| 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 Karen Feldman
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 Feldman's NPI number?
Karen Feldman's NPI number is 1104396829. It was assigned on November 26, 2018, and it is active in the NPI Registry.
What does Karen Feldman specialize in?
Karen Feldman is a family nurse practitioner in Baltimore, Maryland. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Karen Feldman practice?
Karen Feldman practices at 341 N Calvert St, Baltimore, MD 21202. Karen Feldman's primary practice is Teresa Hoffman M.D. and Associates in Baltimore, Maryland. Dmand AI also links Karen Feldman to 1 group practice or clinic.
What is Karen Feldman's office phone number?
The practice phone on file for Karen Feldman is (410) 633-6300.
What is Karen Feldman's medical license number?
Karen Feldman holds Maryland license R196482.
Which hospitals is Karen Feldman affiliated with?
Karen Feldman is affiliated with Mercy Medical Center.
What medical group is Karen Feldman part of?
Karen Feldman is linked to Hoffman and Associates OB/GYN.
Does Karen Feldman accept Medicare?
Yes. CMS lists Karen Feldman as accepting Medicare assignment.
How many Medicare patients does Karen Feldman see?
CMS counts 11 Medicare patients who saw Karen Feldman in 2024, with an average age of 54.
Has Karen Feldman received payments from drug or device companies?
CMS Open Payments shows $40 in general payments to Karen Feldman from 2 companies from 2025 to 2025. The largest total came from Hologic Inc.
How long has Karen Feldman been practicing?
Karen Feldman graduated from medical school in 2018, 8 years ago.
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