Dr. Martha Lorena Cruz, DO
- Medicare services, 2023
- 268
- Part D claims, 2020
- 222
- Industry payments
- $11
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 801 N 29th St, Billings, MT 59101-0905
- Practice phone
- Call (406) 238-2500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Billings Clinic Williston Nd - Primary Care - Billings (N 29th St)
Multi-specialty group site · Billings, Montana
Find Dr. Cruz'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. Martha Lorena Cruz is a neurologist in Billings, Montana
Dr. Cruz practices at Billings Clinic Williston Nd - Primary Care - Billings (N 29th St) in Billings, Montana.
Dr. Cruz's NPI, 1063755080, was assigned on March 27, 2013. Dr. Cruz holds Hawaii license DOS-1895.
- NPI
- 1063755080NPI Registry (opens in a new tab)
- NPI enumeration date
- March 27, 2013
- NPI status
- Active
- Practice phone
- (406) 238-2500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Martha Lorena Cruz practices at 2 locations in Billings, Montana
Dr. Cruz's primary practice is Billings Clinic Williston Nd - Primary Care - Billings (N 29th St), at 801 N 29th St, Billings, MT 59101-0905. The practice phone is (406) 238-2500. The NPI Registry lists Dr. Cruz's practice address as 2800 10th N Ave, Billings, MT 59101.
- Billings Clinic Williston Nd - Primary Care - Billings (N 29th St)Primary801 N 29th St, Billings, MT 59101-0905Phone(406) 238-2500
- NPI Registry address2800 10th N Ave, Billings, MT 59101 · Yellowstone CountyPhone(406) 238-2500
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Martha Lorena Cruz is affiliated with 1 site of care and 1 medical group
Dr. Cruz's primary practice is Billings Clinic Williston Nd - Primary Care - Billings (N 29th St) in Billings, Montana. The medical group on file is Billings Clinic.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Martha Lorena Cruz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cruz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Billings Clinic Williston Nd - Primary Care - Billings (N 29th St) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Martha Lorena Cruz is one of 57 neurologists in Montana
Neurology is Dr. Cruz's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Cruz is licensed in Hawaii.
Specialties and state licenses
- Neurology, HawaiiPrimary
Neurologists near Dr. Cruz
Counts of neurologists 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. Martha Lorena Cruz billed Medicare for 268 services in 2023
CMS data shows 268 Medicare services from Dr. Cruz across 4 procedure codes in 2023. Medicare paid $29,742 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Cruz's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 3272023: 26818%
Dr. Cruz compared with the Montana median for neurologists, 2023
- Dr. Cruz
- Montana median
- Medicare services
- 268vs 34923% below
- Part D claims
- 222vs 46452% below
Medians across 56 neurologists in Montana with Dmand AI profiles that report each measure.
Dr. Cruz's most billed Medicare procedure codes, 2023
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. Cruz and other neurologists in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Martha Lorena Cruz's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Dr. Cruz's median patient age at 57, with 40% women.
Dr. Cruz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women40%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. Martha Lorena Cruz wrote 222 Medicare Part D claims in 2020
In 2020, Dr. Cruz wrote 222 Medicare Part D claims. They cover 9 drugs, with $16,885 in total drug cost. In 2019, CMS named 165 claims across 9 drugs.
Dr. Cruz's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 1652020: 22235%
Drugs named by CMS: 9 in 2020, 9 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Martha Lorena Cruz received $11 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Cruz from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Eisai Inc. paid the most, $11.
Companies that paid Dr. Cruz the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Martha Lorena Cruz'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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 Dr. Martha Lorena Cruz
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. Martha Lorena Cruz's NPI number?
Dr. Martha Lorena Cruz's NPI number is 1063755080. It was assigned on March 27, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Martha Lorena Cruz?
Dr. Martha Lorena Cruz is a neurologist in Billings, Montana. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Martha Lorena Cruz practice?
Dr. Cruz practices at 801 N 29th St, Billings, MT 59101-0905. Dr. Cruz also practices at 2800 10th N Ave, Billings, MT 59101. Dr. Cruz's primary practice is Billings Clinic Williston Nd - Primary Care - Billings (N 29th St) in Billings, Montana.
What is Dr. Martha Lorena Cruz's office phone number?
The practice phone on file for Dr. Cruz is (406) 238-2500.
What is Dr. Martha Lorena Cruz's medical license number?
Dr. Cruz holds Hawaii license DOS-1895.
What medical group is Dr. Martha Lorena Cruz part of?
Dr. Cruz is linked to Billings Clinic.
Does Dr. Martha Lorena Cruz accept Medicare?
Yes. CMS data shows Dr. Cruz billed Medicare for 268 services in 2023.
What services does Dr. Martha Lorena Cruz bill to Medicare?
In 2023, Dr. Cruz's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and critical care (99291).
What drugs does Dr. Martha Lorena Cruz prescribe most?
In 2020 Medicare Part D data, Dr. Cruz's most prescribed drugs by claims were Donepezil HCl, Levetiracetam and Memantine HCl.
Has Dr. Martha Lorena Cruz received payments from drug or device companies?
CMS Open Payments shows $11 in general payments to Dr. Cruz from 1 company from 2019 to 2019. The largest total came from Eisai Inc.
How long has Dr. Martha Lorena Cruz been practicing?
Dr. Cruz graduated from medical school in 2013, 13 years ago.
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