Dr. Melissa M. Nielsen, MD
- Medicare services, 2024
- 264
- Medicare patients, 2024
- 142
- Part D claims, 2024
- 135
- MIPS score, 2024
- 96
- Hospital affiliations
- 2
- Practice address
- 158 West Main Road, Conneaut, OH 44030
- Practice phone
- Call (440) 593-1131
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Nielsen'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. Melissa M. Nielsen is an emergency medicine physician in Conneaut, Ohio
Dr. Nielsen practices at University Hospitals Conneaut Medical Center in Conneaut, Ohio, part of University Hospitals Health System.
Dr. Nielsen's NPI, 1437111291, was assigned on April 5, 2006. Dr. Nielsen graduated from University of Cincinnati College of Medicine in 1993. Dr. Nielsen holds Ohio license 35082989.
- NPI
- 1437111291NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315939071
- NPI enumeration date
- April 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (440) 593-1131
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Melissa M. Nielsen practices at University Hospitals Conneaut Medical Center in Conneaut, Ohio
Dr. Nielsen's primary practice is University Hospitals Conneaut Medical Center, at 158 West Main Road, Conneaut, OH 44030 in Ashtabula County. The practice phone is (440) 593-1131.
- University Hospitals Conneaut Medical Center158 West Main Road, Conneaut, OH 44030 · Ashtabula CountyPhone(440) 593-1131
Source: Dmand AI Affiliation Data
Dr. Melissa M. Nielsen is affiliated with 2 sites of care and 8 medical groups
Dr. Nielsen's primary practice is University Hospitals Conneaut Medical Center in Conneaut, Ohio, part of University Hospitals Health System. Dr. Nielsen is also affiliated with University Hospitals Geauga Medical Center. The medical group on file is University Hospitals Conneaut Medical Center. Dmand AI also links Dr. Nielsen to 7 more medical groups, 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. Melissa M. Nielsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nielsen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospitals Conneaut Medical Center | Available with a free account |
| +1 more site and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across University Hospitals Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Melissa M. Nielsen is one of 2,401 emergency medicine physicians in Ohio
Emergency medicine is Dr. Nielsen's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Nielsen is licensed in Ohio.
Specialties and state licenses
- Emergency medicine, OhioPrimary
Emergency medicine physicians near Dr. Nielsen
Counts of emergency medicine physicians 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. Melissa M. Nielsen billed Medicare for 264 services in 2024
CMS data shows 264 Medicare services from Dr. Nielsen across 3 procedure codes in 2024, for 142 Medicare patients. Medicare paid $18,645 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nielsen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1492024: 1597%
- Tests and treatments
- 2023: 862024: 10522%
Dr. Nielsen compared with the Ohio median for emergency medicine physicians, 2024
- Dr. Nielsen
- Ohio median
- Medicare services
- 264vs 266Close to median
- Medicare patients
- 142vs 24843% below
- Part D claims
- 14vs 6578% below
Medians across 2,448 emergency medicine physicians in Ohio with Dmand AI profiles that report each measure.
Dr. Nielsen'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. Melissa M. Nielsen treated 142 Medicare patients in 2024, average age 72
CMS counts 142 Medicare patients who saw Dr. Nielsen in 2024. The largest group is 65 to 74, with 47 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.64, 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. Nielsen's median patient age at 64, with 56% women.
Dr. Nielsen's Medicare patients by age, 2024
Dr. Nielsen's Medicare patients by sex, 2024
- Women7150%
- Men7150%
Chronic conditions among Dr. Nielsen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis48%
- Anxiety45%
- Ischemic heart disease41%
- Mood disorders39%
- Depression37%
- Chronic kidney disease35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nielsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Melissa M. Nielsen wrote 135 Medicare Part D claims in 2024
In 2024, Dr. Nielsen wrote 135 Medicare Part D claims for 88 patients. 97% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $44 in total drug cost. In 2023, CMS named 46 claims across 3 drugs.
Dr. Nielsen's Part D claims by kind of drug, 2024
- Generic131 claims97%
- Brand-name and other4 claims3%
Dr. Nielsen'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. Nielsen's Part D claims, 2024
- Opioids8%11 of 135 claims
- Antibiotics39%52 of 135 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: 462024: 1470%
Drugs named by CMS: 1 in 2024, 3 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. Melissa M. Nielsen scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Nielsen for performance year 2024, reported as part of a group. Dr. Nielsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Nielsen's MIPS scores, performance year 2024
- 96of 100Final score
- 90.2of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Melissa M. Nielsen received $28 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Nielsen from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $28.
Companies that paid Dr. Nielsen the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Melissa M. Nielsen graduated from University of Cincinnati College of Medicine
Dr. Nielsen graduated from University of Cincinnati College of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Melissa M. Nielsen'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)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) |
| 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. Melissa M. Nielsen
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. Melissa M. Nielsen's NPI number?
Dr. Melissa M. Nielsen's NPI number is 1437111291. It was assigned on April 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Melissa M. Nielsen?
Dr. Melissa M. Nielsen is an emergency medicine physician in Conneaut, Ohio. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Melissa M. Nielsen practice?
Dr. Nielsen practices at 158 West Main Road, Conneaut, OH 44030. Dr. Nielsen's primary practice is University Hospitals Conneaut Medical Center in Conneaut, Ohio, part of University Hospitals Health System. Dmand AI also links Dr. Nielsen to 7 medical groups.
What is Dr. Melissa M. Nielsen's office phone number?
The practice phone on file for Dr. Nielsen is (440) 593-1131.
What is Dr. Melissa M. Nielsen's medical license number?
Dr. Nielsen holds Ohio license 35082989.
Which hospitals is Dr. Melissa M. Nielsen affiliated with?
Dr. Nielsen practices at University Hospitals Conneaut Medical Center in Conneaut, Ohio. Dr. Nielsen is also affiliated with University Hospitals Geauga Medical Center.
What medical group is Dr. Melissa M. Nielsen part of?
Dr. Nielsen is linked to University Hospitals Conneaut Medical Center. Dmand AI links Dr. Nielsen to 7 more medical groups.
Does Dr. Melissa M. Nielsen accept Medicare?
Yes. CMS data shows Dr. Nielsen billed Medicare for 264 services in 2024, and Dr. Nielsen accepts Medicare assignment.
What is Dr. Melissa M. Nielsen's MIPS score?
Dr. Nielsen's MIPS final score for performance year 2024 is 96 out of 100, reported as part of a group.
How many Medicare patients does Dr. Melissa M. Nielsen see?
CMS counts 142 Medicare patients who saw Dr. Nielsen in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. Melissa M. Nielsen bill to Medicare?
In 2024, Dr. Nielsen's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Melissa M. Nielsen go to medical school?
Dr. Nielsen graduated from University of Cincinnati College of Medicine in 1993.
What drugs does Dr. Melissa M. Nielsen prescribe most?
In 2024 Medicare Part D data, Dr. Nielsen's most prescribed drugs by claims were Ondansetron HCl.
Has Dr. Melissa M. Nielsen received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Dr. Nielsen from 1 company from 2016 to 2016. The largest total came from Allergan Inc.
How long has Dr. Melissa M. Nielsen been practicing?
Dr. Nielsen graduated from medical school in 1993, 33 years ago.
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