Dr. Martin Wallace Carpenter, MD
- Medicare services, 2024
- 521
- Medicare patients, 2024
- 134
- Part D claims, 2024
- 341
- Hospital affiliations
- 1
- Industry payments
- $3,485
- Practice address
- 701 10th Street SE, Cedar Rapids, IA 52403
- Practice phone
- Call (319) 398-6011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Carpenter'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 Wallace Carpenter is a psychiatrist in Cedar Rapids, Iowa
Dr. Carpenter practices at Mercy Medical Center in Cedar Rapids, Iowa, part of Mercy Medical Center.
Dr. Carpenter's NPI, 1558359174, was assigned on October 7, 2005. Dr. Carpenter graduated from University of Missouri, Columbia School of Medicine in 2002. Dr. Carpenter holds Iowa license 35422.
- NPI
- 1558359174NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890774509
- NPI enumeration date
- October 7, 2005
- NPI status
- Active
- Practice phone
- (319) 398-6011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Martin Wallace Carpenter practices at Mercy Medical Center in Cedar Rapids, Iowa
Dr. Carpenter's primary practice is Mercy Medical Center, at 701 10th Street SE, Cedar Rapids, IA 52403 in Linn County. The practice phone is (319) 398-6011.
- Mercy Medical Center701 10th Street SE, Cedar Rapids, IA 52403 · Linn CountyPhone(319) 398-6011
Source: Dmand AI Affiliation Data
Dr. Martin Wallace Carpenter is affiliated with 1 site of care
Dr. Carpenter's primary practice is Mercy Medical Center in Cedar Rapids, Iowa, part of Mercy Medical Center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Martin Wallace Carpenter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Carpenter practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Medical Center | 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 Mercy Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Martin Wallace Carpenter is one of 276 psychiatrists in Iowa
Psychiatry is Dr. Carpenter's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Carpenter is licensed in Iowa.
Specialties and state licenses
- Psychiatry, IowaPrimary
Psychiatrists near Dr. Carpenter
Counts of psychiatrists 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. Martin Wallace Carpenter billed Medicare for 521 services in 2024
CMS data shows 521 Medicare services from Dr. Carpenter across 3 procedure codes in 2024, for 134 Medicare patients. Medicare paid $38,230 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Carpenter's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6292024: 52117%
Dr. Carpenter compared with the Iowa median for psychiatrists, 2024
- Dr. Carpenter
- Iowa median
- Medicare services
- 521vs 1842.8 times
- Medicare patients
- 134vs 6897% above
- Part D claims
- 148vs 1565% below
Medians across 295 psychiatrists in Iowa with Dmand AI profiles that report each measure.
Dr. Carpenter'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. Carpenter?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Carpenter and other psychiatrists in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Martin Wallace Carpenter treated 134 Medicare patients in 2024, average age 62
CMS counts 134 Medicare patients who saw Dr. Carpenter in 2024. The largest group is under 65, with 55 patients. 75% of them have mood disorders, and 74% have anxiety. 50% are also on Medicaid. Their average risk score is 1.50, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Carpenter's median patient age at 61, with 40% women.
Dr. Carpenter's Medicare patients by age, 2024
Dr. Carpenter's Medicare patients by sex, 2024
- Women6649%
- Men6851%
Chronic conditions among Dr. Carpenter's Medicare patients, 2024
- Mood disorders75%
- Anxiety74%
- Depression67%
- High blood pressure66%
- High cholesterol62%
- Alcohol and drug use disorders43%
- Schizophrenia and other psychoses43%
- Tobacco use42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Carpenter's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Martin Wallace Carpenter wrote 341 Medicare Part D claims in 2024
In 2024, Dr. Carpenter wrote 341 Medicare Part D claims for 94 patients. 90% of them were for generic drugs. CMS names the drug for 148 of them, across 9 drugs with 11 or more claims each, at $46,273 in total drug cost. In 2023, CMS named 368 claims across 20 drugs.
Dr. Carpenter's Part D claims by kind of drug, 2024
- Generic307 claims90%
- Brand-name and other34 claims10%
Dr. Carpenter'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. Carpenter's Part D claims, 2024
- Antipsychotics, patients 65 and over5%18 of 341 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: 3682024: 14860%
Drugs named by CMS: 9 in 2024, 20 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
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.
Dr. Martin Wallace Carpenter received $3,485 in industry payments from 2016 to 2025
CMS Open Payments shows 255 general payments to Dr. Carpenter from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 82% of the total. Sunovion Pharmaceuticals Inc. paid the most, $834.
General payments to Dr. Carpenter by program year, 2016 to 2025
General payments to Dr. Carpenter by kind, 2016 to 2025
- Food and beverage$2,86282%
- Speaker and faculty fees$59017%
- Education$331%
Companies that paid Dr. Carpenter 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. Martin Wallace Carpenter graduated from University of Missouri, Columbia School of Medicine
Dr. Carpenter graduated from University of Missouri, Columbia School of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Martin Wallace Carpenter'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) |
| 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 Wallace Carpenter
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 Wallace Carpenter's NPI number?
Dr. Martin Wallace Carpenter's NPI number is 1558359174. It was assigned on October 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Martin Wallace Carpenter?
Dr. Martin Wallace Carpenter is a psychiatrist in Cedar Rapids, Iowa. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Martin Wallace Carpenter practice?
Dr. Carpenter practices at 701 10th Street SE, Cedar Rapids, IA 52403. Dr. Carpenter's primary practice is Mercy Medical Center in Cedar Rapids, Iowa, part of Mercy Medical Center.
What is Dr. Martin Wallace Carpenter's office phone number?
The practice phone on file for Dr. Carpenter is (319) 398-6011.
What is Dr. Martin Wallace Carpenter's medical license number?
Dr. Carpenter holds Iowa license 35422.
Which hospitals is Dr. Martin Wallace Carpenter affiliated with?
Dr. Carpenter practices at Mercy Medical Center in Cedar Rapids, Iowa.
Does Dr. Martin Wallace Carpenter accept Medicare?
Yes. CMS data shows Dr. Carpenter billed Medicare for 521 services in 2024.
How many Medicare patients does Dr. Martin Wallace Carpenter see?
CMS counts 134 Medicare patients who saw Dr. Carpenter in 2024, with an average age of 62.
What services does Dr. Martin Wallace Carpenter bill to Medicare?
In 2024, Dr. Carpenter's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99239).
Where did Dr. Martin Wallace Carpenter go to medical school?
Dr. Carpenter graduated from University of Missouri, Columbia School of Medicine in 2002.
Show 3 more questionsShow fewer questions
What drugs does Dr. Martin Wallace Carpenter prescribe most?
In 2024 Medicare Part D data, Dr. Carpenter's most prescribed drugs by claims were Escitalopram Oxalate, Bupropion XL and Trazodone HCl.
Has Dr. Martin Wallace Carpenter received payments from drug or device companies?
CMS Open Payments shows $3,485 in general payments to Dr. Carpenter from 20 companies from 2016 to 2025. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Martin Wallace Carpenter been practicing?
Dr. Carpenter graduated from medical school in 2002, 24 years ago.
Selling to psychiatry practices?
See psychiatrists in Iowa 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