Marian Penelope Thomas, FNP-BC
- Medicare patients, 2024
- 77
- Part D claims, 2024
- 811
- Hospital affiliations
- 1
- Industry payments
- $83
- Medical group
- 1
- Practice address
- 1027 Memorial Drive, Oakland, MD 21550
- Practice phone
- Call (301) 533-3300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mountain Laurel Medical Center - Oakland
FQHC - Main Site · Oakland, Maryland
Find Marian Thomas' 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.
Marian Penelope Thomas is a family nurse practitioner in Oakland, Maryland
Marian Thomas practices at Mountain Laurel Medical Center - Oakland in Oakland, Maryland.
Marian Thomas' NPI, 1154879591, was assigned on September 14, 2016. Marian Thomas holds Maryland license R26387.
- NPI
- 1154879591NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446524052
- NPI enumeration date
- September 14, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 533-3300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marian Penelope Thomas practices at Mountain Laurel Medical Center - Oakland in Oakland, Maryland
Marian Thomas' primary practice is Mountain Laurel Medical Center - Oakland, at 1027 Memorial Drive, Oakland, MD 21550 in Garrett County. The practice phone is (301) 533-3300.
- Mountain Laurel Medical Center - Oakland1027 Memorial Drive, Oakland, MD 21550 · Garrett CountyPhone(301) 533-3300
Source: Dmand AI Affiliation Data
Marian Penelope Thomas is affiliated with 3 sites of care and 1 medical group
Marian Thomas' primary practice is Mountain Laurel Medical Center - Oakland in Oakland, Maryland. Marian Thomas is also affiliated with WVU Medicine Garrett Regional Medical Center. The medical group on file is Mountain Laurel Medical Center. Dmand AI also links Marian Thomas to 1 more home health agency, named with a free account. Marian Thomas' employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Marian Penelope Thomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marian Thomas practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mountain Laurel Medical Center - Oakland | Available with a free account |
| +2 more affiliated sites | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Marian Penelope Thomas is one of 3,917 family nurse practitioners in Maryland
Family is Marian Thomas' primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Marian Thomas is licensed in Maryland.
Specialties and state licenses
- Family nurse practitioner, MarylandPrimary
Family nurse practitioners near Marian Thomas
Counts of family 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
Marian Penelope Thomas treated 77 Medicare patients in 2024, average age 74
CMS counts 77 Medicare patients who saw Marian Thomas in 2024. The largest group is 65 to 74, with 31 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Marian Thomas' median patient age at 66, with 58% women.
Marian Thomas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Marian Thomas' Medicare patients by sex, 2024
- Women5166%
- Men2634%
Chronic conditions among Marian Thomas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis68%
- Diabetes36%
- Depression31%
- Mood disorders31%
- Ischemic heart disease30%
- Anxiety26%
Share of Medicare patients with each condition. A patient can have several.
Marian Thomas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Marian Penelope Thomas wrote 811 Medicare Part D claims in 2024
In 2024, Marian Thomas wrote 811 Medicare Part D claims for 184 patients. 88% of them were for generic drugs.
Marian Thomas' Part D claims by kind of drug, 2024
- Generic715 claims88%
- Brand-name and other96 claims12%
Drug classes CMS tracks in Marian Thomas' Part D claims, 2024
- Opioids1%11 of 811 claims
- Antibiotics13%102 of 811 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
How Marian Penelope Thomas takes part in Medicare
Marian Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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.
Marian Penelope Thomas received $83 in industry payments in 2025
CMS Open Payments shows 3 general payments to Marian Thomas from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Harmony Biosciences LLC paid the most, $49.
Companies that paid Marian Thomas 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 Marian Penelope Thomas'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) |
| 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 Marian Penelope Thomas
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marian Penelope Thomas' NPI number?
Marian Penelope Thomas' NPI number is 1154879591. It was assigned on September 14, 2016, and it is active in the NPI Registry.
What does Marian Penelope Thomas specialize in?
Marian Penelope Thomas is a family nurse practitioner in Oakland, Maryland. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Marian Penelope Thomas practice?
Marian Thomas practices at 1027 Memorial Drive, Oakland, MD 21550. Marian Thomas' primary practice is Mountain Laurel Medical Center - Oakland in Oakland, Maryland. Dmand AI also links Marian Thomas to 1 home health agency.
What is Marian Penelope Thomas' office phone number?
The practice phone on file for Marian Thomas is (301) 533-3300.
What is Marian Penelope Thomas' medical license number?
Marian Thomas holds Maryland license R26387.
Which hospitals is Marian Penelope Thomas affiliated with?
Marian Thomas is affiliated with WVU Medicine Garrett Regional Medical Center.
What medical group is Marian Penelope Thomas part of?
Marian Thomas is linked to Mountain Laurel Medical Center.
Does Marian Penelope Thomas accept Medicare?
Yes. CMS lists Marian Thomas as accepting Medicare assignment.
How many Medicare patients does Marian Penelope Thomas see?
CMS counts 77 Medicare patients who saw Marian Thomas in 2024, with an average age of 74.
Has Marian Penelope Thomas received payments from drug or device companies?
CMS Open Payments shows $83 in general payments to Marian Thomas from 3 companies from 2025 to 2025. The largest total came from Harmony Biosciences LLC.
How long has Marian Penelope Thomas been practicing?
Marian Thomas graduated from medical school in 2016, 10 years ago.
Selling to family practices?
See family nurse practitioners in Maryland 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