Holly O'Neal Mertens, DPT
- Medicare patients, 2024
- 13
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 127 E Broad St, Lake Charles, LA 70601
- Practice phone
- Call (337) 310-8500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Synergy Care Southeast - Louisiana
Lake Charles, Louisiana
Find Holly Mertens' 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.
Holly O'Neal Mertens is a physical therapist in Lake Charles, Louisiana
Holly Mertens practices at Synergy Care Southeast - Louisiana in Lake Charles, Louisiana.
Holly Mertens' NPI, 1710582549, was assigned on December 1, 2020. Holly Mertens holds Louisiana license 04927.
- NPI
- 1710582549NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779026356
- NPI enumeration date
- December 1, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (337) 310-8500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Holly O'Neal Mertens practices at Synergy Care Southeast - Louisiana in Lake Charles, Louisiana
Holly Mertens' primary practice is Synergy Care Southeast - Louisiana, at 127 E Broad St, Lake Charles, LA 70601 in Calcasieu Parish. The practice phone is (337) 310-8500.
- Synergy Care Southeast - Louisiana127 E Broad St, Lake Charles, LA 70601 · Calcasieu ParishPhone(337) 310-8500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Holly O'Neal Mertens is affiliated with 2 sites of care and 1 medical group
Holly Mertens' primary practice is Synergy Care Southeast - Louisiana in Lake Charles, Louisiana. The medical group on file is Synergy Care. Dmand AI also links Holly Mertens to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Holly O'Neal Mertens' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Holly Mertens practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Synergy Care Southeast - Louisiana | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Holly O'Neal Mertens is one of 1,300 physical therapists in Louisiana
Physical therapist is Holly Mertens' primary specialty in the NPI Registry, under taxonomy code 225100000X. Holly Mertens is licensed in Louisiana.
Specialties and state licenses
- Physical therapist, LouisianaPrimary
Physical therapists near Holly Mertens
Counts of physical therapists 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
Holly O'Neal Mertens treated 13 Medicare patients in 2024, average age 83
CMS counts 13 Medicare patients who saw Holly Mertens in 2024. 75% of them have anxiety, and 75% have arthritis. Their average risk score is 1.82, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Holly Mertens' median patient age at 83, with 100% women.
Chronic conditions among Holly Mertens' Medicare patients, 2024
- Anxiety75%
- Arthritis75%
- Depression75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
Share of Medicare patients with each condition. A patient can have several.
Holly Mertens' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 83
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Holly O'Neal Mertens takes part in Medicare
Holly Mertens 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)
Sources for Holly O'Neal Mertens'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Holly O'Neal Mertens
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Holly O'Neal Mertens' NPI number?
Holly O'Neal Mertens' NPI number is 1710582549. It was assigned on December 1, 2020, and it is active in the NPI Registry.
What does Holly O'Neal Mertens specialize in?
Holly O'Neal Mertens is a physical therapist in Lake Charles, Louisiana. The primary specialty in the NPI Registry is Physical Therapist (taxonomy code 225100000X).
Where does Holly O'Neal Mertens practice?
Holly Mertens practices at 127 E Broad St, Lake Charles, LA 70601. Holly Mertens' primary practice is Synergy Care Southeast - Louisiana in Lake Charles, Louisiana. Dmand AI also links Holly Mertens to 1 group practice or clinic.
What is Holly O'Neal Mertens' office phone number?
The practice phone on file for Holly Mertens is (337) 310-8500.
What is Holly O'Neal Mertens' medical license number?
Holly Mertens holds Louisiana license 04927.
What medical group is Holly O'Neal Mertens part of?
Holly Mertens is linked to Synergy Care.
Does Holly O'Neal Mertens accept Medicare?
Yes. CMS lists Holly Mertens as accepting Medicare assignment.
How many Medicare patients does Holly O'Neal Mertens see?
CMS counts 13 Medicare patients who saw Holly Mertens in 2024, with an average age of 83.
How long has Holly O'Neal Mertens been practicing?
Holly Mertens graduated from medical school in 2001, 25 years ago.
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