Dr. Nathan Panzlau, DO
- Medicare services, 2024
- 239
- Medicare patients, 2024
- 229
- Part D claims, 2024
- 168
- MIPS score, 2024
- 97
- Hospital affiliations
- 2
- Practice address
- 100 Michigan St NE, Grand Rapids, MI 49503
- Practice phone
- Call (616) 391-1774
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Panzlau's professional email, personal email and mobile number
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Dr. Nathan Panzlau is an emergency medicine physician in Grand Rapids, Michigan
Dr. Panzlau practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Dr. Panzlau's NPI, 1427409754, was assigned on June 28, 2016. Dr. Panzlau graduated from Michigan State University College of Osteopathic Medicine in 2016. Dr. Panzlau holds New York license 297404.
- NPI
- 1427409754NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779817473
- NPI enumeration date
- June 28, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 391-1774
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan Panzlau practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Dr. Panzlau's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth, at 100 Michigan St NE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 391-1774.
- Corewell Health Grand Rapids Hospitals - Butterworth100 Michigan St NE, Grand Rapids, MI 49503 · Kent CountyPhone(616) 391-1774
Source: Dmand AI Affiliation Data
Dr. Nathan Panzlau is affiliated with 2 sites of care and 3 medical groups
Dr. Panzlau's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dr. Panzlau is also affiliated with Corewell Health Big Rapids Hospital. The medical group on file is Emergency Care Specialists (ECS). Dmand AI also links Dr. Panzlau to 2 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. Nathan Panzlau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Panzlau practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Grand Rapids Hospitals - Butterworth | 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. Nathan Panzlau is one of 2,045 emergency medicine physicians in Michigan
Emergency medicine is Dr. Panzlau's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Panzlau is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Dr. Panzlau
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. Nathan Panzlau billed Medicare for 239 services in 2024
CMS data shows 239 Medicare services from Dr. Panzlau across 4 procedure codes in 2024, for 229 Medicare patients. Medicare paid $29,879 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Panzlau's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2962024: 22823%
- Tests and treatments
- 2023: 02024: 11
Dr. Panzlau compared with the Michigan median for emergency medicine physicians, 2024
- Dr. Panzlau
- Michigan median
- Medicare services
- 239vs 234Close to median
- Medicare patients
- 229vs 2147% above
- Part D claims
- 55vs 4620% above
Medians across 1,937 emergency medicine physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Panzlau'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Panzlau 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. Nathan Panzlau treated 229 Medicare patients in 2024, average age 72
CMS counts 229 Medicare patients who saw Dr. Panzlau in 2024. The largest group is 65 to 74, with 79 patients. 75% of them have high blood pressure, and 67% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.01, 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. Panzlau's median patient age at 44, with 60% women.
Dr. Panzlau's Medicare patients by age, 2024
Dr. Panzlau's Medicare patients by sex, 2024
- Women12052%
- Men10948%
Chronic conditions among Dr. Panzlau's Medicare patients, 2024
- High blood pressure75%
- High cholesterol67%
- Arthritis61%
- Chronic kidney disease42%
- Diabetes39%
- Ischemic heart disease39%
- Anxiety36%
- Mood disorders36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Panzlau's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathan Panzlau wrote 168 Medicare Part D claims in 2024
In 2024, Dr. Panzlau wrote 168 Medicare Part D claims for 135 patients. 94% of them were for generic drugs. CMS names the drug for 55 of them, across 4 drugs with 11 or more claims each, at $395 in total drug cost. In 2023, CMS named 108 claims across 7 drugs.
Dr. Panzlau's Part D claims by kind of drug, 2024
- Generic158 claims94%
- Brand-name and other10 claims6%
Dr. Panzlau'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. Panzlau's Part D claims, 2024
- Antibiotics32%54 of 168 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: 1082024: 5549%
Drugs named by CMS: 4 in 2024, 7 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. Nathan Panzlau 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. Panzlau for performance year 2024, reported as part of a group. Dr. Panzlau accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Panzlau'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. Nathan Panzlau received $409 in industry payments from 2016 to 2025
CMS Open Payments shows 5 general payments to Dr. Panzlau from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Mindray DS USA, Inc. paid the most, $155.
General payments to Dr. Panzlau by program year, 2016 to 2025
Companies that paid Dr. Panzlau 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. Nathan Panzlau graduated from Michigan State University College of Osteopathic Medicine
Dr. Panzlau graduated from Michigan State University College of Osteopathic Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathan Panzlau'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. Nathan Panzlau
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. Nathan Panzlau's NPI number?
Dr. Nathan Panzlau's NPI number is 1427409754. It was assigned on June 28, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan Panzlau?
Dr. Nathan Panzlau is an emergency medicine physician in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Nathan Panzlau practice?
Dr. Panzlau practices at 100 Michigan St NE, Grand Rapids, MI 49503. Dr. Panzlau's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Dr. Panzlau to 2 medical groups.
What is Dr. Nathan Panzlau's office phone number?
The practice phone on file for Dr. Panzlau is (616) 391-1774.
What is Dr. Nathan Panzlau's medical license number?
Dr. Panzlau holds New York license 297404.
Which hospitals is Dr. Nathan Panzlau affiliated with?
Dr. Panzlau practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan. Dr. Panzlau is also affiliated with Corewell Health Big Rapids Hospital.
What medical group is Dr. Nathan Panzlau part of?
Dr. Panzlau is linked to Emergency Care Specialists (ECS). Dmand AI links Dr. Panzlau to 2 more medical groups.
Does Dr. Nathan Panzlau accept Medicare?
Yes. CMS data shows Dr. Panzlau billed Medicare for 239 services in 2024, and Dr. Panzlau accepts Medicare assignment.
What is Dr. Nathan Panzlau's MIPS score?
Dr. Panzlau'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. Nathan Panzlau see?
CMS counts 229 Medicare patients who saw Dr. Panzlau in 2024, with an average age of 72.
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What services does Dr. Nathan Panzlau bill to Medicare?
In 2024, Dr. Panzlau's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Where did Dr. Nathan Panzlau go to medical school?
Dr. Panzlau graduated from Michigan State University College of Osteopathic Medicine in 2016.
What drugs does Dr. Nathan Panzlau prescribe most?
In 2024 Medicare Part D data, Dr. Panzlau's most prescribed drugs by claims were Baclofen, Cephalexin and Famotidine.
Has Dr. Nathan Panzlau received payments from drug or device companies?
CMS Open Payments shows $409 in general payments to Dr. Panzlau from 3 companies from 2016 to 2025. The largest total came from Mindray DS USA, Inc.
How long has Dr. Nathan Panzlau been practicing?
Dr. Panzlau graduated from medical school in 2016, 10 years ago.
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