Michael Nathan Metzmaker, PA-C
- Medicare patients, 2024
- 50
- Part D claims, 2024
- 68
- MIPS score, 2024
- 91
- Hospital affiliations
- 1
- Industry payments
- $155
- Practice address
- 1493 Cambridge Street, Cambridge, MA 02139
- Practice phone
- Call (617) 665-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Michael Metzmaker'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.
Michael Nathan Metzmaker is a physician assistant in Cambridge, Massachusetts
Michael Metzmaker practices at CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance.
Michael Metzmaker's NPI, 1356866800, was assigned on August 6, 2017.
- NPI
- 1356866800NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870851280
- NPI enumeration date
- August 6, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 665-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- 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)
Michael Nathan Metzmaker practices at CHA Cambridge Hospital in Cambridge, Massachusetts
Michael Metzmaker's primary practice is CHA Cambridge Hospital, at 1493 Cambridge Street, Cambridge, MA 02139 in Middlesex County. The practice phone is (617) 665-1000.
- CHA Cambridge Hospital1493 Cambridge Street, Cambridge, MA 02139 · Middlesex CountyPhone(617) 665-1000
Source: Dmand AI Affiliation Data
Michael Nathan Metzmaker is affiliated with 1 site of care and 1 medical group
Michael Metzmaker's primary practice is CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance. The medical group on file is Cambridge Health Alliance. Michael Metzmaker's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Michael Nathan Metzmaker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Metzmaker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CHA Cambridge Hospital | 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 Cambridge Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Michael Nathan Metzmaker is one of 3,922 physician assistants in Massachusetts
Physician assistant is Michael Metzmaker's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Michael Metzmaker
Counts of physician assistants 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
Michael Nathan Metzmaker treated 50 Medicare patients in 2024, average age 74
CMS counts 50 Medicare patients who saw Michael Metzmaker in 2024. The largest group is 65 to 74, with 19 patients. 75% of them have arthritis, and 75% have high blood pressure. 62% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Michael Metzmaker's median patient age at 63, with 60% women.
Michael Metzmaker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Michael Metzmaker's Medicare patients by sex, 2024
- Women3468%
- Men1632%
Chronic conditions among Michael Metzmaker's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol62%
- Diabetes46%
- Chronic kidney disease28%
- Mood disorders28%
- Depression26%
- Atrial fibrillation24%
Share of Medicare patients with each condition. A patient can have several.
Michael Metzmaker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women60%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Michael Nathan Metzmaker wrote 68 Medicare Part D claims in 2024
In 2024, Michael Metzmaker wrote 68 Medicare Part D claims for 40 patients. 96% of them were for generic drugs.
Michael Metzmaker's Part D claims by kind of drug, 2024
- Generic65 claims96%
- Brand-name and other3 claims4%
Drug classes CMS tracks in Michael Metzmaker's Part D claims, 2024
- Opioids16%11 of 68 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Michael Nathan Metzmaker scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Michael Metzmaker for performance year 2024, reported as part of a group. Michael Metzmaker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Michael Metzmaker's MIPS scores, performance year 2024
- 91of 100Final score
- 77.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Michael Nathan Metzmaker received $155 in industry payments in 2025
CMS Open Payments shows 2 general payments to Michael Metzmaker from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Moximed, Inc paid the most, $137.
Companies that paid Michael Metzmaker the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Michael Nathan Metzmaker'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 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 (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) |
| 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 Michael Nathan Metzmaker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michael Nathan Metzmaker's NPI number?
Michael Nathan Metzmaker's NPI number is 1356866800. It was assigned on August 6, 2017, and it is active in the NPI Registry.
What does Michael Nathan Metzmaker specialize in?
Michael Nathan Metzmaker is a physician assistant in Cambridge, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Michael Nathan Metzmaker practice?
Michael Metzmaker practices at 1493 Cambridge Street, Cambridge, MA 02139. Michael Metzmaker's primary practice is CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance.
What is Michael Nathan Metzmaker's office phone number?
The practice phone on file for Michael Metzmaker is (617) 665-1000.
Which hospitals is Michael Nathan Metzmaker affiliated with?
Michael Metzmaker practices at CHA Cambridge Hospital in Cambridge, Massachusetts.
What medical group is Michael Nathan Metzmaker part of?
Michael Metzmaker is linked to Cambridge Health Alliance.
Does Michael Nathan Metzmaker accept Medicare?
Yes. CMS lists Michael Metzmaker as accepting Medicare assignment.
What is Michael Nathan Metzmaker's MIPS score?
Michael Metzmaker's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
How many Medicare patients does Michael Nathan Metzmaker see?
CMS counts 50 Medicare patients who saw Michael Metzmaker in 2024, with an average age of 74.
Has Michael Nathan Metzmaker received payments from drug or device companies?
CMS Open Payments shows $155 in general payments to Michael Metzmaker from 2 companies from 2025 to 2025. The largest total came from Moximed, Inc.
How long has Michael Nathan Metzmaker been practicing?
Michael Metzmaker graduated from medical school in 2017, 9 years ago.
Selling to physician assistant practices?
See physician assistants in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card