Dr. Joel S. Lahn, MD
- Medicare services, 2023
- 497
- Part D claims, 2024
- 18
- Industry payments
- $2,345
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 25 Crossroads Dr Ste 205 Suite 205, Owings Mills, MD 21117
- Practice phone
- Call (410) 602-7792
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dialysis Access Specialists - Primary Care - Owings Mills
Multi-specialty group site · Owings Mills, Maryland
Find Dr. Lahn'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. Joel S. Lahn is a nephrologist in Halethorpe, Maryland
Dr. Lahn practices at Dialysis Access Specialists - Primary Care - Owings Mills in Owings Mills, Maryland.
Dr. Lahn's NPI, 1538167960, was assigned on July 11, 2005. Dr. Lahn graduated from University of Maryland School of Medicine in 1988. Dr. Lahn holds Maryland license D39116.
- NPI
- 1538167960NPI Registry (opens in a new tab)
- NPI enumeration date
- July 11, 2005
- NPI status
- Active
- Practice phone
- (410) 602-7792
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joel S. Lahn practices in Owings Mills and Halethorpe
Dr. Lahn's primary practice is Dialysis Access Specialists - Primary Care - Owings Mills, at 25 Crossroads Dr Ste 205 Suite 205, Owings Mills, MD 21117. The practice phone is (410) 602-7792. The NPI Registry lists Dr. Lahn's practice address as 1589 Sulphur Spring Rd, Halethorpe, MD 21227.
- Dialysis Access Specialists - Primary Care - Owings MillsPrimary25 Crossroads Dr Ste 205 Suite 205, Owings Mills, MD 21117Phone(410) 602-7792
- NPI Registry address1589 Sulphur Spring Rd, Halethorpe, MD 21227 · Baltimore CountyPhone(410) 602-7792
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Joel S. Lahn is affiliated with 1 site of care and 1 medical group
Dr. Lahn's primary practice is Dialysis Access Specialists - Primary Care - Owings Mills in Owings Mills, Maryland. The medical group on file is Mid-Atlantic Nephrology Associates.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Joel S. Lahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lahn practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dialysis Access Specialists - Primary Care - Owings Mills | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joel S. Lahn is one of 279 nephrologists in Maryland
Nephrology is Dr. Lahn's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Lahn is licensed in Maryland.
Specialties and state licenses
- Nephrology, MarylandPrimary
Nephrologists near Dr. Lahn
Counts of nephrologists 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. Joel S. Lahn billed Medicare for 497 services in 2023
CMS data shows 497 Medicare services from Dr. Lahn across 9 procedure codes in 2023. Medicare paid $64,118 for them.
Dr. Lahn's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 6412023: 31151%
- Tests and treatments
- 2022: 3902023: 18652%
- Lab and pathology
- 2022: 242023: 0100%
Where Dr. Lahn's Medicare services took place, 2023
- In an office29559%
- In a facility20241%
Dr. Lahn compared with the Maryland median for nephrologists, 2023
- Dr. Lahn
- Maryland median
- Medicare services
- 497vs 1,39264% below
- Part D claims
- 77vs 47284% below
Medians across 268 nephrologists in Maryland with Dmand AI profiles that report each measure.
Dr. Lahn's most billed Medicare procedure codes, 2023
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. Lahn and other nephrologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joel S. Lahn's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Lahn's median patient age at 71, with 50% women.
Dr. Lahn'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
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Joel S. Lahn wrote 18 Medicare Part D claims in 2024
In 2024, Dr. Lahn wrote 18 Medicare Part D claims. 89% of them were for generic drugs. They cover 5 drugs, with $8,650 in total drug cost. In 2022, CMS named 93 claims across 5 drugs.
Dr. Lahn's Part D claims by kind of drug, 2024
- Generic16 claims89%
- Brand-name and other2 claims11%
Dr. Lahn's most prescribed drugs by claims, 2023
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 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 932023: 7717%
Drugs named by CMS: 5 in 2023, 5 in 2022.
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
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Dr. Joel S. Lahn received $2,345 in industry payments from 2016 to 2023
CMS Open Payments shows 42 general payments to Dr. Lahn from 16 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Mallinckrodt LLC paid the most, $329.
General payments to Dr. Lahn by program year, 2016 to 2023
Companies that paid Dr. Lahn the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joel S. Lahn graduated from University of Maryland School of Medicine
Dr. Lahn graduated from University of Maryland School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joel S. Lahn'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) |
| 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)Medicare Part D Prescribers - by Provider (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. Joel S. Lahn
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. Joel S. Lahn's NPI number?
Dr. Joel S. Lahn's NPI number is 1538167960. It was assigned on July 11, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Joel S. Lahn?
Dr. Joel S. Lahn is a nephrologist in Halethorpe, Maryland. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Joel S. Lahn practice?
Dr. Lahn practices at 25 Crossroads Dr Ste 205 Suite 205, Owings Mills, MD 21117. Dr. Lahn also practices at 1589 Sulphur Spring Rd, Halethorpe, MD 21227. Dr. Lahn's primary practice is Dialysis Access Specialists - Primary Care - Owings Mills in Owings Mills, Maryland.
What is Dr. Joel S. Lahn's office phone number?
The practice phone on file for Dr. Lahn is (410) 602-7792.
What is Dr. Joel S. Lahn's medical license number?
Dr. Lahn holds Maryland license D39116.
What medical group is Dr. Joel S. Lahn part of?
Dr. Lahn is linked to Mid-Atlantic Nephrology Associates.
Does Dr. Joel S. Lahn accept Medicare?
Yes. CMS data shows Dr. Lahn billed Medicare for 497 services in 2023.
What services does Dr. Joel S. Lahn bill to Medicare?
In 2023, Dr. Lahn's most billed Medicare services were office visit, established patient (99214), dialysis (90960) and hospital inpatient care (99232).
Where did Dr. Joel S. Lahn go to medical school?
Dr. Lahn graduated from University of Maryland School of Medicine in 1988.
What drugs does Dr. Joel S. Lahn prescribe most?
In 2023 Medicare Part D data, Dr. Lahn's most prescribed drugs by claims were Amlodipine Besylate, Furosemide and Losartan Potassium.
Has Dr. Joel S. Lahn received payments from drug or device companies?
CMS Open Payments shows $2,345 in general payments to Dr. Lahn from 16 companies from 2016 to 2023. The largest total came from Mallinckrodt LLC.
How long has Dr. Joel S. Lahn been practicing?
Dr. Lahn graduated from medical school in 1988, 38 years ago.
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