Pediatr Nephrol
Antibodies, Monoclonal, HumanizedFamilial Hypophosphatemic RicketsGermany
Dr. Martin E. Klein, MD
NPI1235209560
- Medicare services, 2021
- 143
- Part D claims, 2024
- 132
- Publications
- 16
- Hospital affiliations
- 1
- Industry payments
- $121
- 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. Klein'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. Martin E. Klein is a family medicine physician in Grand Rapids, Michigan
Dr. Klein practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Dr. Klein's NPI, 1235209560, was assigned on November 8, 2006. Dr. Klein graduated from Rutgers New Jersey Medical School in 2000. Dr. Klein holds New Jersey license 25MA07294900.
NPI and contact details
- NPI
- 1235209560NPI Registry (opens in a new tab)
- NPI enumeration date
- November 8, 2006
- NPI status
- Active
- Practice phone
- (616) 391-1774
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Martin E. Klein practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Dr. Klein'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. Martin E. Klein is affiliated with 1 site of care and 2 medical groups
Dr. Klein's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. The medical group on file is Hunterdon Health. Dmand AI also links Dr. Klein to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Martin E. Klein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klein practices. 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 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Martin E. Klein is one of 4,931 family medicine physicians in Michigan
Family medicine is Dr. Klein's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Klein is licensed in New Jersey.
Specialties and state licenses
- Family medicine, New JerseyPrimary
Family medicine physicians near Dr. Klein
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
4,931family medicine physicians in Michigan340family medicine physicians in Grand Rapids159family medicine physicians at Corewell Health Grand Rapids Hospitals - Butterworth
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Martin E. Klein billed Medicare for 143 services in 2021
CMS data shows 143 Medicare services from Dr. Klein across 3 procedure codes in 2021. Medicare paid $6,524 for them. Every service was in an office.
Medicare services, 2021143
Paid by Medicare$6,524
Procedure codes3
Dr. Klein's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 1792021: 5669%
- Surgery
- 2020: 1402021: 5561%
- Other services
- 2020: 1352021: 3276%
- Tests and treatments
- 2020: 622021: 0100%
Dr. Klein compared with the Michigan median for family medicine physicians, 2021
- Dr. Klein
- Michigan median
- Medicare services
- 143vs 24842% below
- Part D claims
- 85vs 1,03392% below
Medians across 4,990 family medicine physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Klein's most billed Medicare procedure codes, 2021
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. Klein?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Klein and other family medicine physicians in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Martin E. Klein's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Klein's median patient age at 67, with 32% women.
Dr. Klein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women32%
- Men64%
Source: Dmand AI Patient Panel Data
Dr. Martin E. Klein wrote 132 Medicare Part D claims in 2024
In 2024, Dr. Klein wrote 132 Medicare Part D claims for 25 patients. 98% of them were for generic drugs. CMS names the drug for 85 of them, across 5 drugs with 11 or more claims each, at $1,708 in total drug cost. In 2023, CMS named 26 claims across 2 drugs.
Part D claims, 2024132
Drugs named by CMS5
Total drug cost$1,708
Part D patients25
Dr. Klein's Part D claims by kind of drug, 2024
- Generic130 claims98%
- Brand-name and other2 claims2%
Dr. Klein'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 262024: 85227%
Drugs named by CMS: 5 in 2024, 2 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
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Dr. Martin E. Klein has 16 publications on record
Dmand AI links 16 papers to Dr. Klein, published from 2017 to 2024. 2023 was the busiest year, with 4. The most frequent topics are Asthma, Disease Models, Animal and Food Hypersensitivity. Dr. Klein has published most often in Front Immunol.
Papers16
Years published2017 to 2024
Dr. Klein's papers by year, 2017 to 2024
Topics Dr. Klein writes about most
- Asthma
- Disease Models, Animal
- Food Hypersensitivity
- Cell Proliferation
- Dendritic Cells
- Lymphocytes
Recent publications by Dr. Klein
BasophilsCell DegranulationCell Proliferation
AlarminsAsthmaBronchial Thermoplasty
See who Dr. Klein researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Klein works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Martin E. Klein received $121 in industry payments from 2016 to 2021
CMS Open Payments shows 7 general payments to Dr. Klein from 5 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $48.
General payments to Dr. Klein by program year, 2016 to 2021
Companies that paid Dr. Klein the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Martin E. Klein graduated from Rutgers New Jersey Medical School
Dr. Klein graduated from Rutgers New Jersey Medical School in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Martin E. Klein'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 Data |
| 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) |
| 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. Martin E. Klein
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. Martin E. Klein's NPI number?
Dr. Martin E. Klein's NPI number is 1235209560. It was assigned on November 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Martin E. Klein?
Dr. Martin E. Klein is a family medicine physician in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Martin E. Klein practice?
Dr. Klein practices at 100 Michigan St NE, Grand Rapids, MI 49503. Dr. Klein's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Dr. Klein to 1 medical group.
What is Dr. Martin E. Klein's office phone number?
The practice phone on file for Dr. Klein is (616) 391-1774.
What is Dr. Martin E. Klein's medical license number?
Dr. Klein holds New Jersey license 25MA07294900.
Which hospitals is Dr. Martin E. Klein affiliated with?
Dr. Klein practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan.
What medical group is Dr. Martin E. Klein part of?
Dr. Klein is linked to Hunterdon Health. Dmand AI links Dr. Klein to 1 more medical group.
Does Dr. Martin E. Klein accept Medicare?
Yes. CMS data shows Dr. Klein billed Medicare for 143 services in 2021.
What services does Dr. Martin E. Klein bill to Medicare?
In 2021, Dr. Klein's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and medicare service (G0439).
Where did Dr. Martin E. Klein go to medical school?
Dr. Klein graduated from Rutgers New Jersey Medical School in 2000.
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What drugs does Dr. Martin E. Klein prescribe most?
In 2024 Medicare Part D data, Dr. Klein's most prescribed drugs by claims were Ezetimibe, Rosuvastatin Calcium and Metformin HCl.
Has Dr. Martin E. Klein received payments from drug or device companies?
CMS Open Payments shows $121 in general payments to Dr. Klein from 5 companies from 2016 to 2021. The largest total came from Novo Nordisk Inc.
How long has Dr. Martin E. Klein been practicing?
Dr. Klein graduated from medical school in 2000, 26 years ago.
Does Dr. Martin E. Klein do research?
Dmand AI links 16 publications to Dr. Klein, published from 2017 to 2024.
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