Mariah Jo Harmon, APRN
- Medicare patients, 2024
- 634
- Part D claims, 2024
- 621
- MIPS score, 2024
- 79
- Hospital affiliations
- 3
- Industry payments
- $78
- Practice address
- 1801 West 3rd Street, Elk City, OK 73644
- Practice phone
- Call (580) 225-2511
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mariah Harmon'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.
Mariah Jo Harmon is a nurse practitioner in Elk City, Oklahoma
Mariah Harmon practices at Great Plains Regional Medical Center in Elk City, Oklahoma, part of Great Plains Regional Medical Center.
Mariah Harmon's NPI, 1992464978, was assigned on December 17, 2021. Mariah Harmon holds Oklahoma license 204825.
- NPI
- 1992464978NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789076704
- NPI enumeration date
- December 17, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (580) 225-2511
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mariah Jo Harmon practices at Great Plains Regional Medical Center in Elk City, Oklahoma
Mariah Harmon's primary practice is Great Plains Regional Medical Center, at 1801 West 3rd Street, Elk City, OK 73644 in Beckham County. The practice phone is (580) 225-2511.
- Great Plains Regional Medical Center1801 West 3rd Street, Elk City, OK 73644 · Beckham CountyPhone(580) 225-2511
Source: Dmand AI Affiliation Data
Mariah Jo Harmon is affiliated with 4 sites of care and 3 medical groups
Mariah Harmon's primary practice is Great Plains Regional Medical Center in Elk City, Oklahoma, part of Great Plains Regional Medical Center. Mariah Harmon is also affiliated with INTEGRIS Health Woodward Hospital. The medical group on file is Optimum Post Acute Care. Dmand AI also links Mariah Harmon to 1 more hospital, 2 medical groups and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mariah Jo Harmon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mariah Harmon practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Great Plains Regional Medical Center | Available with a free account |
| +3 more sites and 2 medical groups | 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 Great Plains Regional Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Mariah Jo Harmon is one of 565 nurse practitioners in Oklahoma
Nurse practitioner is Mariah Harmon's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Mariah Harmon is licensed in Oklahoma.
Specialties and state licenses
- Nurse practitioner, OklahomaPrimary
Nurse practitioners near Mariah Harmon
Counts of nurse practitioners 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
Mariah Jo Harmon treated 634 Medicare patients in 2024, average age 74
CMS counts 634 Medicare patients who saw Mariah Harmon in 2024. The largest group is 65 to 74, with 213 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 47% are also on Medicaid. Their average risk score is 2.38, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mariah Harmon's median patient age at 67, with 51% women.
Mariah Harmon's Medicare patients by age, 2024
Mariah Harmon's Medicare patients by sex, 2024
- Women34855%
- Men28645%
Chronic conditions among Mariah Harmon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis67%
- Mood disorders57%
- Depression56%
- Diabetes53%
- Anxiety49%
- Ischemic heart disease42%
Share of Medicare patients with each condition. A patient can have several.
Mariah Harmon'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
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mariah Jo Harmon wrote 621 Medicare Part D claims in 2024
In 2024, Mariah Harmon wrote 621 Medicare Part D claims for 205 patients. 92% of them were for generic drugs.
Mariah Harmon's Part D claims by kind of drug, 2024
- Generic573 claims92%
- Brand-name48 claims8%
Drug classes CMS tracks in Mariah Harmon's Part D claims, 2024
- Opioids25%158 of 621 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
Mariah Jo Harmon scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Mariah Harmon for performance year 2024, reported as part of a group. Mariah Harmon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mariah Harmon's MIPS scores, performance year 2024
- 79of 100Final score
- 61.1of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 57of 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
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Mariah Jo Harmon received $78 in industry payments in 2025
CMS Open Payments shows 4 general payments to Mariah Harmon from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Reapplix Inc. paid the most, $39.
Companies that paid Mariah Harmon 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 Mariah Jo Harmon'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 Mariah Jo Harmon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mariah Jo Harmon's NPI number?
Mariah Jo Harmon's NPI number is 1992464978. It was assigned on December 17, 2021, and it is active in the NPI Registry.
What does Mariah Jo Harmon specialize in?
Mariah Jo Harmon is a nurse practitioner in Elk City, Oklahoma. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Mariah Jo Harmon practice?
Mariah Harmon practices at 1801 West 3rd Street, Elk City, OK 73644. Mariah Harmon's primary practice is Great Plains Regional Medical Center in Elk City, Oklahoma, part of Great Plains Regional Medical Center. Dmand AI also links Mariah Harmon to 1 hospital, 2 medical groups and 1 home health agency.
What is Mariah Jo Harmon's office phone number?
The practice phone on file for Mariah Harmon is (580) 225-2511.
What is Mariah Jo Harmon's medical license number?
Mariah Harmon holds Oklahoma license 204825.
Which hospitals is Mariah Jo Harmon affiliated with?
Mariah Harmon practices at Great Plains Regional Medical Center in Elk City, Oklahoma. Mariah Harmon is also affiliated with INTEGRIS Health Woodward Hospital. Dmand AI links Mariah Harmon to 1 more hospital.
What medical group is Mariah Jo Harmon part of?
Mariah Harmon is linked to Optimum Post Acute Care. Dmand AI links Mariah Harmon to 2 more medical groups.
Does Mariah Jo Harmon accept Medicare?
Yes. CMS lists Mariah Harmon as accepting Medicare assignment.
What is Mariah Jo Harmon's MIPS score?
Mariah Harmon's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
How many Medicare patients does Mariah Jo Harmon see?
CMS counts 634 Medicare patients who saw Mariah Harmon in 2024, with an average age of 74.
Has Mariah Jo Harmon received payments from drug or device companies?
CMS Open Payments shows $78 in general payments to Mariah Harmon from 3 companies from 2025 to 2025. The largest total came from Reapplix Inc.
How long has Mariah Jo Harmon been practicing?
Mariah Harmon graduated from medical school in 2020, 6 years ago.
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