Dr. Alexander Merson, MD
- Medicare services, 2024
- 4,080
- Medicare patients, 2024
- 262
- Part D claims, 2024
- 11,328
- MIPS score, 2024
- 100
- Industry payments
- $8,213
- Practice address
- 2379 65th St, Brooklyn, NY 11204-4045
- Practice phone
- Call (718) 375-0392
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mag Medical
Multi-specialty group site · Brooklyn, New York
Find Dr. Merson'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. Alexander Merson is an internist in Brooklyn, New York
Dr. Merson practices at Mag Medical in Brooklyn, New York.
Dr. Merson's NPI, 1194755983, was assigned on July 4, 2006. Dr. Merson graduated from Latvian Medical Academy in 1976. Dr. Merson holds New York license 196595.
- NPI
- 1194755983NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032100722
- NPI enumeration date
- July 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (718) 375-0392
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexander Merson practices at Mag Medical in Brooklyn, New York
Dr. Merson's primary practice is Mag Medical, at 2379 65th St, Brooklyn, NY 11204-4045. The practice phone is (718) 375-0392.
- Mag Medical2379 65th St, Brooklyn, NY 11204-4045Phone(718) 375-0392
Source: Dmand AI Affiliation Data
Dr. Alexander Merson is affiliated with 2 sites of care and 1 medical group
Dr. Merson's primary practice is Mag Medical in Brooklyn, New York. The medical group on file is Mag Medical Corporation PC. Dmand AI also links Dr. Merson to 1 more home health agency, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Alexander Merson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Merson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mag Medical | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexander Merson is one of 9,643 internists in New York
Internal medicine is Dr. Merson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Merson is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Merson
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. Alexander Merson billed Medicare for 4,080 services in 2024
CMS data shows 4,080 Medicare services from Dr. Merson across 14 procedure codes in 2024, for 262 Medicare patients. Medicare paid $169,739 for them. Every service was in an office.
Dr. Merson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,4642024: 2,452No change
- Tests and treatments
- 2023: 8162024: 73610%
- Surgery
- 2023: 5782024: 5633%
- Drugs given in the office
- 2023: 1792024: 1658%
- Other services
- 2023: 1922024: 16415%
- Lab and pathology
- 2023: 232024: 0100%
Dr. Merson compared with the New York median for internists, 2024
- Dr. Merson
- New York median
- Medicare services
- 4,080vs 4269.6 times
- Medicare patients
- 262vs 15866% above
- Part D claims
- 10,733vs 62217.3 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Merson'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.
Need commercial claims for Dr. Merson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Merson and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexander Merson treated 262 Medicare patients in 2024, average age 77
CMS counts 262 Medicare patients who saw Dr. Merson in 2024. The largest group is 75 to 84, with 117 patients. 75% of them have diabetes, and 75% have high blood pressure. 56% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Merson's median patient age at 65, with 56% women.
Dr. Merson's Medicare patients by age, 2024
Dr. Merson's Medicare patients by sex, 2024
- Women14856%
- Men11444%
Chronic conditions among Dr. Merson's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Arthritis74%
- Ischemic heart disease34%
- Mood disorders22%
- Anxiety21%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Merson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women56%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexander Merson wrote 11,328 Medicare Part D claims in 2024
In 2024, Dr. Merson wrote 11,328 Medicare Part D claims for 408 patients. 85% of them were for generic drugs. CMS names the drug for 10,733 of them, across 146 drugs with 11 or more claims each, at $966,270 in total drug cost. In 2023, CMS named 10,359 claims across 147 drugs.
Dr. Merson's Part D claims by kind of drug, 2024
- Generic9,645 claims85%
- Brand-name1,598 claims14%
- Other85 claims1%
Dr. Merson'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. Merson's Part D claims, 2024
- Opioids0%13 of 11,328 claims
- Antibiotics2%218 of 11,328 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: 10,3592024: 10,7334%
Drugs named by CMS: 146 in 2024, 147 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
Dr. Alexander Merson scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Merson for performance year 2024, reported individually. Dr. Merson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Merson as offering telehealth. CMS counts 73 procedures of removal of skin lesions by Dr. Merson, more than 74% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Merson's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
- 85of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Merson ranks in Medicare procedure volume
- Removal of skin lesions
- 74th percentile73 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Alexander Merson received $8,213 in industry payments from 2016 to 2025
CMS Open Payments shows 396 general payments to Dr. Merson from 42 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 92% of the total. Amgen Inc. paid the most, $1,132.
General payments to Dr. Merson by program year, 2016 to 2025
General payments to Dr. Merson by kind, 2016 to 2025
- Food and beverage$7,53692%
- Travel and lodging$6708%
- Education$70%
Companies that paid Dr. Merson 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. Alexander Merson graduated from Latvian Medical Academy
Dr. Merson graduated from Latvian Medical Academy in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alexander Merson'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 | Dmand AI Affiliation 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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Alexander Merson
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. Alexander Merson's NPI number?
Dr. Alexander Merson's NPI number is 1194755983. It was assigned on July 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander Merson?
Dr. Alexander Merson is an internist in Brooklyn, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Alexander Merson practice?
Dr. Merson practices at 2379 65th St, Brooklyn, NY 11204-4045. Dr. Merson's primary practice is Mag Medical in Brooklyn, New York. Dmand AI also links Dr. Merson to 1 home health agency.
What is Dr. Alexander Merson's office phone number?
The practice phone on file for Dr. Merson is (718) 375-0392.
What is Dr. Alexander Merson's medical license number?
Dr. Merson holds New York license 196595.
What medical group is Dr. Alexander Merson part of?
Dr. Merson is linked to Mag Medical Corporation PC.
Does Dr. Alexander Merson accept Medicare?
Yes. CMS data shows Dr. Merson billed Medicare for 4,080 services in 2024, and Dr. Merson accepts Medicare assignment.
Does Dr. Alexander Merson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Merson as offering telehealth services.
What is Dr. Alexander Merson's MIPS score?
Dr. Merson's MIPS final score for performance year 2024 is 100 out of 100, reported individually.
How many Medicare patients does Dr. Alexander Merson see?
CMS counts 262 Medicare patients who saw Dr. Merson in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Alexander Merson bill to Medicare?
In 2024, Dr. Merson's most billed Medicare services were care management and other visits (99490), office visit, established patient (99213) and surgery: heart and blood vessels (36415).
Where did Dr. Alexander Merson go to medical school?
Dr. Merson graduated from Latvian Medical Academy in 1976.
What drugs does Dr. Alexander Merson prescribe most?
In 2024 Medicare Part D data, Dr. Merson's most prescribed drugs by claims were Amlodipine Besylate, Metoprolol Succinate and Rosuvastatin Calcium.
Has Dr. Alexander Merson received payments from drug or device companies?
CMS Open Payments shows $8,213 in general payments to Dr. Merson from 42 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Alexander Merson been practicing?
Dr. Merson graduated from medical school in 1976, 50 years ago.
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