Dr. Walter B. Koppel, MD
- Medicare services, 2019
- 362
- Part D claims, 2024
- 52
- Industry payments
- $335
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 8501 Lasalle Rd Suite #202 Suite 202, Towson, MD 21286
- Practice phone
- Call (443) 279-0330
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Walter B Koppel PC
Physician office · Towson, Maryland
Find Dr. Koppel'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. Walter B. Koppel is an internist in Baltimore, Maryland
Dr. Koppel practices at Walter B Koppel PC in Towson, Maryland.
Dr. Koppel's NPI, 1699847053, was assigned on November 14, 2006. Dr. Koppel holds Maryland license D15538.
- NPI
- 1699847053NPI Registry (opens in a new tab)
- NPI enumeration date
- November 14, 2006
- NPI status
- Active
- Practice phone
- (443) 279-0330
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Walter B. Koppel practices in Towson and Baltimore
Dr. Koppel's primary practice is Walter B Koppel PC, at 8501 Lasalle Rd Suite #202 Suite 202, Towson, MD 21286. The practice phone is (443) 279-0330. The NPI Registry lists Dr. Koppel's practice address as 827 Linden Ave, Baltimore, MD 21201.
- Walter B Koppel PCPrimary8501 Lasalle Rd Suite #202 Suite 202, Towson, MD 21286Phone(443) 279-0330
- NPI Registry address827 Linden Ave, Baltimore, MD 21201 · Baltimore CityPhone(443) 279-0330
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Walter B. Koppel is affiliated with 1 site of care
Dr. Koppel's primary practice is Walter B Koppel PC in Towson, Maryland.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Walter B. Koppel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koppel practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Walter B Koppel PC | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Walter B. Koppel is one of 3,320 internists in Maryland
Internal medicine is Dr. Koppel's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Koppel is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Koppel
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. Walter B. Koppel billed Medicare for 362 services in 2019
CMS data shows 362 Medicare services from Dr. Koppel across 2 procedure codes in 2019, all of them office visits. Medicare paid $14,774 for them. Every service was in an office.
Dr. Koppel's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 7522019: 36252%
- Tests and treatments
- 2018: 962019: 0100%
- Other services
- 2018: 1042019: 0100%
Dr. Koppel compared with the Maryland median for internists, 2019
- Dr. Koppel
- Maryland median
- Medicare services
- 362vs 65645% below
- Part D claims
- 12vs 30996% below
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Koppel's most billed Medicare procedure codes, 2019
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. Koppel and other internists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Walter B. Koppel's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Koppel's median patient age at 72, with 40% women.
Dr. Koppel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women40%
- Men57%
Source: Dmand AI Patient Panel Data
Dr. Walter B. Koppel wrote 52 Medicare Part D claims in 2024
In 2024, Dr. Koppel wrote 52 Medicare Part D claims. 79% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $7,694 in total drug cost. In 2020, CMS named 13 claims across 1 drug.
Dr. Koppel's Part D claims by kind of drug, 2024
- Generic41 claims79%
- Brand-name11 claims21%
Dr. Koppel'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, 2020 to 2023
- 2020
- 2023
- Claims for drugs CMS names
- 2020: 132023: 128%
Drugs named by CMS: 1 in 2023, 1 in 2020.
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. Walter B. Koppel received $335 in industry payments from 2017 to 2019
CMS Open Payments shows 3 general payments to Dr. Koppel from 3 drug and device companies from 2017 to 2019. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $120.
General payments to Dr. Koppel by program year, 2017 to 2019
Companies that paid Dr. Koppel the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Walter B. Koppel'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 DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation 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)Medicare Part D Prescribers - by Provider (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. Walter B. Koppel
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. Walter B. Koppel's NPI number?
Dr. Walter B. Koppel's NPI number is 1699847053. It was assigned on November 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Walter B. Koppel?
Dr. Walter B. Koppel is an internist in Baltimore, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Walter B. Koppel practice?
Dr. Koppel practices at 8501 Lasalle Rd Suite #202 Suite 202, Towson, MD 21286. Dr. Koppel also practices at 827 Linden Ave, Baltimore, MD 21201. Dr. Koppel's primary practice is Walter B Koppel PC in Towson, Maryland.
What is Dr. Walter B. Koppel's office phone number?
The practice phone on file for Dr. Koppel is (443) 279-0330.
What is Dr. Walter B. Koppel's medical license number?
Dr. Koppel holds Maryland license D15538.
Does Dr. Walter B. Koppel accept Medicare?
Yes. CMS data shows Dr. Koppel billed Medicare for 362 services in 2019.
What services does Dr. Walter B. Koppel bill to Medicare?
In 2019, Dr. Koppel's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).
What drugs does Dr. Walter B. Koppel prescribe most?
In 2023 Medicare Part D data, Dr. Koppel's most prescribed drugs by claims were Jardiance.
Has Dr. Walter B. Koppel received payments from drug or device companies?
CMS Open Payments shows $335 in general payments to Dr. Koppel from 3 companies from 2017 to 2019. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Walter B. Koppel been practicing?
Dr. Koppel's NPI was assigned in 2006.
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