Dr. Merissa Nicole Zeman, MD
- Medicare services, 2024
- 1,063
- Medicare patients, 2024
- 978
- Part D claims, 2018
- 11
- Hospital affiliations
- 6
- Medical groups
- 3
- Practice address
- 789 Central Ave, Dover, NH 03820
- Practice phone
- Call (603) 740-2580
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Merissa Nicole Zeman is a diagnostic radiologist in Dover, New Hampshire
Dr. Zeman practices at Wentworth-Douglass Hospital in Dover, New Hampshire, part of Mass General Brigham.
Dr. Zeman's NPI, 1811429574, was assigned on March 31, 2017. Dr. Zeman graduated from George Washington University School of Medicine in 2017. Dr. Zeman holds Massachusetts license 292232.
- NPI
- 1811429574NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395101273
- NPI enumeration date
- March 31, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 740-2580
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Merissa Nicole Zeman practices at Wentworth-Douglass Hospital in Dover, New Hampshire
Dr. Zeman's primary practice is Wentworth-Douglass Hospital, at 789 Central Ave, Dover, NH 03820 in Strafford County. The practice phone is (603) 740-2580.
- Wentworth-Douglass Hospital789 Central Ave, Dover, NH 03820 · Strafford CountyPhone(603) 740-2580
Source: Dmand AI Affiliation Data
Dr. Merissa Nicole Zeman is affiliated with 7 sites of care and 3 medical groups
Dr. Zeman's primary practice is Wentworth-Douglass Hospital in Dover, New Hampshire, part of Mass General Brigham. Dr. Zeman is also affiliated with Massachusetts General Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Zeman to 4 more hospitals, 2 medical groups and 1 therapy and rehab clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Merissa Nicole Zeman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zeman practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wentworth-Douglass Hospital | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Merissa Nicole Zeman is one of 168 diagnostic radiologists in New Hampshire
Diagnostic radiology is Dr. Zeman's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Zeman is licensed in Massachusetts.
Specialties and state licenses
- Diagnostic radiology, MassachusettsPrimary
Diagnostic radiologists near Dr. Zeman
Counts of diagnostic radiologists 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. Merissa Nicole Zeman billed Medicare for 1,063 services in 2024
CMS data shows 1,063 Medicare services from Dr. Zeman across 19 procedure codes in 2024, for 978 Medicare patients. Medicare paid $256,735 for them.
Dr. Zeman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 2892024: 1,025255%
- Other services
- 2023: 752024: 3849%
Where Dr. Zeman's Medicare services took place, 2024
- In an office39337%
- In a facility67063%
Dr. Zeman compared with the New Hampshire median for diagnostic radiologists, 2024
- Dr. Zeman
- New Hampshire median
- Medicare services
- 1,063vs 2,79962% below
- Medicare patients
- 978vs 2,03052% below
- Part D claims
- 11vs 1315% below
Medians across 172 diagnostic radiologists in New Hampshire with Dmand AI profiles that report each measure.
Dr. Zeman'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Merissa Nicole Zeman treated 978 Medicare patients in 2024, average age 74
CMS counts 978 Medicare patients who saw Dr. Zeman in 2024. The largest group is 65 to 74, with 402 patients. 74% of them have high blood pressure, and 74% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.85, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Zeman's median patient age at 72, with 46% women.
Dr. Zeman's Medicare patients by age, 2024
Dr. Zeman's Medicare patients by sex, 2024
- Women47949%
- Men49951%
Chronic conditions among Dr. Zeman's Medicare patients, 2024
- High blood pressure74%
- High cholesterol74%
- Arthritis49%
- Cancer43%
- Anxiety36%
- Ischemic heart disease35%
- Mood disorders34%
- Chronic kidney disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zeman'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
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Merissa Nicole Zeman wrote 11 Medicare Part D claims in 2018
In 2018, Dr. Zeman wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $63 in total drug cost. In 2017, CMS named 13 claims across 1 drug.
Dr. Zeman's most prescribed drugs by claims, 2018
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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 132018: 1115%
Drugs named by CMS: 1 in 2018, 1 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Merissa Nicole Zeman takes part in Medicare
Dr. Zeman 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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Dr. Merissa Nicole Zeman graduated from George Washington University School of Medicine
Dr. Zeman graduated from George Washington University School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Merissa Nicole Zeman'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 DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Merissa Nicole Zeman
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. Merissa Nicole Zeman's NPI number?
Dr. Merissa Nicole Zeman's NPI number is 1811429574. It was assigned on March 31, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Merissa Nicole Zeman?
Dr. Merissa Nicole Zeman is a diagnostic radiologist in Dover, New Hampshire. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Merissa Nicole Zeman practice?
Dr. Zeman practices at 789 Central Ave, Dover, NH 03820. Dr. Zeman's primary practice is Wentworth-Douglass Hospital in Dover, New Hampshire, part of Mass General Brigham. Dmand AI also links Dr. Zeman to 4 hospitals, 2 medical groups and 1 therapy and rehab clinic.
What is Dr. Merissa Nicole Zeman's office phone number?
The practice phone on file for Dr. Zeman is (603) 740-2580.
What is Dr. Merissa Nicole Zeman's medical license number?
Dr. Zeman holds Massachusetts license 292232.
Which hospitals is Dr. Merissa Nicole Zeman affiliated with?
Dr. Zeman practices at Wentworth-Douglass Hospital in Dover, New Hampshire. Dr. Zeman is also affiliated with Massachusetts General Hospital. Dmand AI links Dr. Zeman to 4 more hospitals.
What medical group is Dr. Merissa Nicole Zeman part of?
Dr. Zeman is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Zeman to 2 more medical groups.
Does Dr. Merissa Nicole Zeman accept Medicare?
Yes. CMS data shows Dr. Zeman billed Medicare for 1,063 services in 2024, and Dr. Zeman accepts Medicare assignment.
How many Medicare patients does Dr. Merissa Nicole Zeman see?
CMS counts 978 Medicare patients who saw Dr. Zeman in 2024, with an average age of 74.
What services does Dr. Merissa Nicole Zeman bill to Medicare?
In 2024, Dr. Zeman's most billed Medicare services were nuclear medicine (78815), nuclear medicine (78814) and nuclear medicine (78306).
Show 3 more questionsShow fewer questions
Where did Dr. Merissa Nicole Zeman go to medical school?
Dr. Zeman graduated from George Washington University School of Medicine in 2017.
What drugs does Dr. Merissa Nicole Zeman prescribe most?
In 2018 Medicare Part D data, Dr. Zeman's most prescribed drugs by claims were Oxycodone HCl.
How long has Dr. Merissa Nicole Zeman been practicing?
Dr. Zeman graduated from medical school in 2017, 9 years ago.
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