Administration, InhalationAntifibrinolytic AgentsEvidence-Based Emergency Medicine
Dr. Jennifer Ann Mervau, DO
NPI1013438944PAC ID2163792359
- Medicare services, 2024
- 197
- Medicare patients, 2024
- 182
- Part D claims, 2024
- 251
- Publications
- 1
- MIPS score, 2024
- 97
- Practice address
- 1009 W Green St, Hastings, MI 49058
- Practice phone
- Call (269) 945-3451
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mervau's professional email, personal email and mobile number
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Dr. Jennifer Ann Mervau is an emergency medicine physician in Hastings, Michigan
Dr. Mervau practices at Corewell Health Pennock Hospital in Hastings, Michigan, part of Corewell Health.
Dr. Mervau's NPI, 1013438944, was assigned on June 30, 2017. Dr. Mervau graduated from Michigan State University College of Osteopathic Medicine in 2017. Dr. Mervau holds Michigan license 5101023379.
NPI and contact details
- NPI
- 1013438944NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163792359
- NPI enumeration date
- June 30, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (269) 945-3451
- 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. Jennifer Ann Mervau practices at Corewell Health Pennock Hospital in Hastings, Michigan
Dr. Mervau's primary practice is Corewell Health Pennock Hospital, at 1009 W Green St, Hastings, MI 49058 in Barry County. The practice phone is (269) 945-3451.
- Corewell Health Pennock Hospital1009 W Green St, Hastings, MI 49058 · Barry CountyPhone(269) 945-3451
Source: Dmand AI Affiliation Data
Dr. Jennifer Ann Mervau is affiliated with 2 sites of care and 3 medical groups
Dr. Mervau's primary practice is Corewell Health Pennock Hospital in Hastings, Michigan, part of Corewell Health. Dr. Mervau is also affiliated with Corewell Health Zeeland Hospital. The medical group on file is Emergency Care Specialists (ECS). Dmand AI also links Dr. Mervau to 2 more medical groups, each named with a free account.
Corewell Health Zeeland HospitalEmergency Care Specialists (ECS)2 medical groupsNames with a free account
See all 5 affiliations for Dr. MervauSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jennifer Ann Mervau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mervau practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Pennock Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jennifer Ann Mervau is one of 2,045 emergency medicine physicians in Michigan
Emergency medicine is Dr. Mervau's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Mervau is licensed in Michigan.
Specialties and state licenses
- Emergency medicine, MichiganPrimary
Emergency medicine physicians near Dr. Mervau
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
2,045emergency medicine physicians in Michigan10emergency medicine physicians in Hastings10emergency medicine physicians at Corewell Health Pennock Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jennifer Ann Mervau billed Medicare for 197 services in 2024
CMS data shows 197 Medicare services from Dr. Mervau across 3 procedure codes in 2024, for 182 Medicare patients. Medicare paid $25,190 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024197
Medicare patients182
Paid by Medicare$25,190
Procedure codes3
Dr. Mervau's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2222024: 19711%
Dr. Mervau compared with the Michigan median for emergency medicine physicians, 2024
- Dr. Mervau
- Michigan median
- Medicare services
- 197vs 23416% below
- Medicare patients
- 182vs 21415% below
- Part D claims
- 135vs 462.9 times
Medians across 1,937 emergency medicine physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Mervau'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. Mervau?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mervau and other emergency medicine physicians in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jennifer Ann Mervau treated 182 Medicare patients in 2024, average age 75
CMS counts 182 Medicare patients who saw Dr. Mervau in 2024. The largest group is 75 to 84, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.81, 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. Mervau's median patient age at 49, with 58% women.
Medicare patients, 2024182
Average age75
Average risk score1.81
Also on Medicaid16%
Dr. Mervau's Medicare patients by age, 2024
Dr. Mervau's Medicare patients by sex, 2024
- Women9854%
- Men8446%
Chronic conditions among Dr. Mervau's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Diabetes42%
- Chronic kidney disease41%
- Mood disorders40%
- Anxiety39%
- Depression37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mervau's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jennifer Ann Mervau wrote 251 Medicare Part D claims in 2024
In 2024, Dr. Mervau wrote 251 Medicare Part D claims for 184 patients. 94% of them were for generic drugs. CMS names the drug for 135 of them, across 7 drugs with 11 or more claims each, at $1,100 in total drug cost. In 2023, CMS named 124 claims across 6 drugs.
Part D claims, 2024251
Drugs named by CMS7
Total drug cost$1,100
Part D patients184
Dr. Mervau's Part D claims by kind of drug, 2024
- Generic237 claims94%
- Brand-name and other14 claims6%
Dr. Mervau'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. Mervau's Part D claims, 2024
- Antibiotics39%99 of 251 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: 1242024: 1359%
Drugs named by CMS: 7 in 2024, 6 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. Jennifer Ann Mervau scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Mervau for performance year 2024, reported as part of a group. Dr. Mervau accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Mervau's MIPS scores, performance year 2024
- 97of 100Final score
- 89.3of 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. Jennifer Ann Mervau has 1 publication on record
Dmand AI links 1 paper to Dr. Mervau.
Papers1
Recent publications by Dr. Mervau
See who Dr. Mervau researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mervau works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jennifer Ann Mervau received $11 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Mervau from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $11.
Companies that paid Dr. Mervau the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jennifer Ann Mervau graduated from Michigan State University College of Osteopathic Medicine
Dr. Mervau graduated from Michigan State University College of Osteopathic Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jennifer Ann Mervau'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Jennifer Ann Mervau
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. Jennifer Ann Mervau's NPI number?
Dr. Jennifer Ann Mervau's NPI number is 1013438944. It was assigned on June 30, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Jennifer Ann Mervau?
Dr. Jennifer Ann Mervau is an emergency medicine physician in Hastings, Michigan. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Jennifer Ann Mervau practice?
Dr. Mervau practices at 1009 W Green St, Hastings, MI 49058. Dr. Mervau's primary practice is Corewell Health Pennock Hospital in Hastings, Michigan, part of Corewell Health. Dmand AI also links Dr. Mervau to 2 medical groups.
What is Dr. Jennifer Ann Mervau's office phone number?
The practice phone on file for Dr. Mervau is (269) 945-3451.
What is Dr. Jennifer Ann Mervau's medical license number?
Dr. Mervau holds Michigan license 5101023379.
Which hospitals is Dr. Jennifer Ann Mervau affiliated with?
Dr. Mervau practices at Corewell Health Pennock Hospital in Hastings, Michigan. Dr. Mervau is also affiliated with Corewell Health Zeeland Hospital.
What medical group is Dr. Jennifer Ann Mervau part of?
Dr. Mervau is linked to Emergency Care Specialists (ECS). Dmand AI links Dr. Mervau to 2 more medical groups.
Does Dr. Jennifer Ann Mervau accept Medicare?
Yes. CMS data shows Dr. Mervau billed Medicare for 197 services in 2024, and Dr. Mervau accepts Medicare assignment.
What is Dr. Jennifer Ann Mervau's MIPS score?
Dr. Mervau's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Jennifer Ann Mervau see?
CMS counts 182 Medicare patients who saw Dr. Mervau in 2024, with an average age of 75.
Show 6 more questionsShow fewer questions
What services does Dr. Jennifer Ann Mervau bill to Medicare?
In 2024, Dr. Mervau's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Where did Dr. Jennifer Ann Mervau go to medical school?
Dr. Mervau graduated from Michigan State University College of Osteopathic Medicine in 2017.
What drugs does Dr. Jennifer Ann Mervau prescribe most?
In 2024 Medicare Part D data, Dr. Mervau's most prescribed drugs by claims were Cefuroxime, Ondansetron ODT and Methocarbamol.
Has Dr. Jennifer Ann Mervau received payments from drug or device companies?
CMS Open Payments shows $11 in general payments to Dr. Mervau from 1 company from 2018 to 2018. The largest total came from Pfizer Inc.
How long has Dr. Jennifer Ann Mervau been practicing?
Dr. Mervau graduated from medical school in 2017, 9 years ago.
Does Dr. Jennifer Ann Mervau do research?
Dmand AI links 1 publication to Dr. Mervau.
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