Dr. Ann B. Merkow, MD
- Part D claims, 2024
- 432
- Industry payments
- $142
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 555 S 108th St, West Allis, WI 53214-1145
- Practice phone
- Call (414) 566-3725
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Quad/med - Primary Care - West Allis
Multi-specialty group site · West Allis, Wisconsin
Find Dr. Merkow'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. Ann B. Merkow is an internist in Waukesha, Wisconsin
Dr. Merkow practices at Quad/med - Primary Care - West Allis in West Allis, Wisconsin.
Dr. Merkow's NPI, 1528035383, was assigned on March 1, 2006. Dr. Merkow holds Wisconsin license 27275-020.
- NPI
- 1528035383NPI Registry (opens in a new tab)
- NPI enumeration date
- March 1, 2006
- NPI status
- Active
- Practice phone
- (414) 566-3725
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ann B. Merkow practices in West Allis and Waukesha
Dr. Merkow's primary practice is Quad/med - Primary Care - West Allis, at 555 S 108th St, West Allis, WI 53214-1145. The practice phone is (414) 566-3725. The NPI Registry lists Dr. Merkow's practice address as 725 American Ave, Waukesha, WI 53188.
- Quad/med - Primary Care - West AllisPrimary555 S 108th St, West Allis, WI 53214-1145Phone(414) 566-3725
- NPI Registry address725 American Ave, Waukesha, WI 53188 · Waukesha CountyPhone(414) 566-6400
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Ann B. Merkow is affiliated with 1 site of care and 1 medical group
Dr. Merkow's primary practice is Quad/med - Primary Care - West Allis in West Allis, Wisconsin. Dmand AI also links Dr. Merkow to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Ann B. Merkow's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Merkow practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Quad/med - Primary Care - West Allis | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ann B. Merkow is one of 1,675 internists in Wisconsin
Internal medicine is Dr. Merkow's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Merkow is licensed in Wisconsin.
Specialties and state licenses
- Internal medicine, WisconsinPrimary
Internists near Dr. Merkow
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. Ann B. Merkow's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Merkow's median patient age at 72, with 50% women.
Dr. Merkow'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
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Ann B. Merkow wrote 432 Medicare Part D claims in 2024
In 2024, Dr. Merkow wrote 432 Medicare Part D claims for 36 patients. 90% of them were for generic drugs. CMS names the drug for 317 of them, across 14 drugs with 11 or more claims each, at $12,791 in total drug cost. In 2023, CMS named 439 claims across 16 drugs.
Dr. Merkow's Part D claims by kind of drug, 2024
- Generic390 claims90%
- Brand-name and other42 claims10%
Dr. Merkow'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4392024: 31728%
Drugs named by CMS: 14 in 2024, 16 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
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Dr. Ann B. Merkow received $142 in industry payments in 2019
CMS Open Payments shows 2 general payments to Dr. Merkow from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Medtronic USA, Inc. paid the most, $142.
Companies that paid Dr. Merkow the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ann B. Merkow'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 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. Ann B. Merkow
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. Ann B. Merkow's NPI number?
Dr. Ann B. Merkow's NPI number is 1528035383. It was assigned on March 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ann B. Merkow?
Dr. Ann B. Merkow is an internist in Waukesha, Wisconsin. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ann B. Merkow practice?
Dr. Merkow practices at 555 S 108th St, West Allis, WI 53214-1145. Dr. Merkow also practices at 725 American Ave, Waukesha, WI 53188. Dr. Merkow's primary practice is Quad/med - Primary Care - West Allis in West Allis, Wisconsin. Dmand AI also links Dr. Merkow to 1 medical group.
What is Dr. Ann B. Merkow's office phone number?
The practice phone on file for Dr. Merkow is (414) 566-3725.
What is Dr. Ann B. Merkow's medical license number?
Dr. Merkow holds Wisconsin license 27275-020.
What drugs does Dr. Ann B. Merkow prescribe most?
In 2024 Medicare Part D data, Dr. Merkow's most prescribed drugs by claims were Amlodipine Besylate, Losartan Potassium and Atorvastatin Calcium.
Has Dr. Ann B. Merkow received payments from drug or device companies?
CMS Open Payments shows $142 in general payments to Dr. Merkow from 1 company from 2019 to 2019. The largest total came from Medtronic USA, Inc.
How long has Dr. Ann B. Merkow been practicing?
Dr. Merkow's NPI was assigned in 2006.
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