DONALD SEVERINUS GERVAIS JR. M.D.
NPI 1750387676
Psychiatry & Neurology - Neurology in Gray, LA

Q: What is Donald Gervais's NPI number?

The NPI number for Donald Gervais is 1750387676. It was assigned to this individual provider in the NPPES registry on June 24, 2005.

Q: What is Donald Gervais's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Donald Gervais was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 24, 2005PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

128 NEUROSCIENCE CT, GRAY, LA 70359(985) 917-3007(985) 917-3010 Get Directions Write a Review

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 23, 2026, Dec 11, 2018, Mar 17, 2018 and 3 more (6 updates tracked since 2016).

On this page

About Donald Severinus Gervais Jr. M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DONALD SEVERINUS GERVAIS JR. M.D. (NPI 1750387676) is an individual neurology provider in Gray, Louisiana, licensed in Louisiana (MD.022617) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Opelousas General Health System, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1750387676

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameDONALD SEVERINUS GERVAIS JR.Credential: M.D.

Location Address128 NEUROSCIENCE CTGray, LA 70359

Mailing Address128 Neuroscience CtGray, LA 70359-5209 · (985) 917-3007 · Fax (985) 917-3010

Phone(985) 917-3007

Fax(985) 917-3010

Sole ProprietorNo

Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 1995

Enumeration DateJune 24, 2005

Last NPPES UpdateApril 23, 20266 updates tracked since enumeration

NPPES CertifiedApril 23, 2026

✔ NPI 1750387676 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in LA · MD.022617

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

128 NEUROSCIENCE CT, Gray, LA 70359

Open in Google Maps ↗

Secondary Practice Locations 3

Location 1101 Longwood DrThibodaux, LA 70301-8027 · Phone (985) 778-3148 · Fax (800) 786-0683

Location 2114 Neuroscience CtGray, LA 70359-5209 · Phone (985) 917-3007 · Fax (985) 917-3010

Location 34500 York St Ste 202Metairie, LA 70001-1250 · Phone (504) 681-6701 · Fax (985) 917-3010

Other Identifiers 1

Medicaid1697508LA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Donald Severinus Gervais Jr. M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6608947999

PECOS Enrollment IDI20100903000477

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Donald Gervais reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southeast Neuroscience Center, LLC

Same address

Specialist

128 NEUROSCIENCE CT
Gray, LA 70359

Reassigned Medicare billing, Louisiana enrollment
8 clinicians in this Medicare group

NPI 1285630129 (985) 917-3007

Neuro Diagnostic Monitoring, LLC

83 mi

Specialist

106 AMARYLLIS DR
Lafayette, LA 70503

Reassigned Medicare billing, Louisiana enrollment
7 clinicians in this Medicare group

NPI 1598030181 (337) 406-0883

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 29

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) G0453

Continuous intraoperative neurophysiology monitoring is a service where a specialist oversees your nervous system's function during surgery, from a nearby or remote location. This is done every 15 minutes and is focused solely on you. It helps ensure surgical safety by identifying any potential nervous system changes promptly.

1,083 services173 patients

Needle measurement of electrical activity in arm or leg muscles, complete study 95886

This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.

473 services168 patients

Nerve conduction, 11-12 studies 95912

Nerve conduction studies are tests that measure how well your nerves are working. In 11-12 studies, small electrodes are placed on your skin to send and receive electrical signals. These signals show how quickly and effectively your nerves are transmitting signals, helping to identify any nerve damage or dysfunction.

227 services160 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

214 services147 patients

Measurement of brain wave activity (eeg) outside the brain during surgery 95955

An EEG (Electroencephalogram) during surgery monitors brain activity. Electrodes on the scalp record brain wave patterns, helping doctors ensure the brain is functioning normally throughout the procedure.

203 services198 patients

Placement of skin electrodes and measurement of stimulated sites on arms and legs 95938

This procedure involves placing small pads (electrodes) on your arms and legs. These electrodes send gentle electric signals to specific areas, and the responses are measured. This helps assess the health of your nerves and muscles.

198 services193 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

176 services135 patients

Needle measurement of electrical activity in arm or leg muscles, 2 extremities 95861

This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. It helps diagnose conditions affecting nerves or muscles. It's generally painless, though you may feel some discomfort.

134 services133 patients

Placement of skin electrodes and measurement of stimulated sites on arms and legs 95938

107 services107 patients

Complete ultrasound of within the brain blood flow 93886

A complete ultrasound of brain blood flow, also known as a Transcranial Doppler, is a non-invasive procedure that uses sound waves to measure the speed and direction of blood flow in the brain. This helps detect any abnormalities or blockages.

99 services99 patients

Ultrasound of within the brain blood flow for blood clots 93892

An ultrasound of the brain's blood flow is a safe, non-invasive procedure that uses sound waves to create images of the blood vessels. This helps identify any blockages, like blood clots, that might disrupt normal blood flow and cause health issues.

94 services93 patients

Fluoroscopic guidance for needle placement 77002

Fluoroscopic guidance for needle placement is a medical procedure that uses a special X-ray technology to help accurately place a needle in the body. It's often used in biopsies, injections or other treatments to ensure precision and safety.

90 services51 patients

Placement of skin electrodes and measurement of central motor stimulation in arms and legs 95939

This procedure involves placing small patches (electrodes) on your skin over your arms and legs. These electrodes send harmless electrical signals to your muscles. The response is measured to assess the health and function of your nerves and muscles.

70 services67 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

64 services64 patients

Ultrasound of within the brain blood flow following medication 93890

An ultrasound of the brain's blood flow after medication is a non-invasive procedure that uses sound waves to create images of the blood flow within your brain. This helps monitor how the medication is affecting your brain's blood circulation.

63 services62 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

59 services59 patients

Injection, ketorolac tromethamine, per 15 mg J1885

Ketorolac tromethamine is a medication administered through injection, often used to manage moderate to severe pain. Each 15 mg dose helps to reduce hormones causing inflammation and pain in the body. It is not recommended for long-term use.

59 services15 patients

Ultrasound of within the brain blood flow for blood clots with microbubble injection 93893

This procedure involves using ultrasound technology to view blood flow within the brain. A safe contrast agent, microbubbles, is injected to enhance the images. It helps in detecting any blood clots that could disrupt normal brain function.

57 services57 patients

Injection of trigger points, 3 or more muscles 20553

Trigger point injection therapy involves injecting medication into specific areas of your muscles, known as trigger points. These are areas that produce pain and discomfort. If you have three or more muscles affected, each will be treated individually.

51 services34 patients

Measurement of brain wave activity (eeg), 61-119 minutes 95813

The procedure you're having is an EEG, which measures your brain's electrical activity. Electrodes placed on your scalp capture signals that are recorded for 61-119 minutes. This helps identify any irregularities, aiding in diagnosing conditions like epilepsy or sleep disorders.

49 services48 patients

Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702

This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.

39 services23 patients

Aspiration and/or injection of fluid from medium joint 20605

This procedure involves a needle being inserted into a medium-sized joint, such as a knee or shoulder, to remove (aspirate) excess fluid. Sometimes, medication may also be injected into the joint to reduce inflammation and pain.

32 services18 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

32 services28 patients

Measurement of brain wave activity (eeg), awake and asleep 95819

The measurement of brain wave activity, known as an EEG, records the brain's electrical signals. It's performed when you're awake and asleep to monitor your brain's functioning. It helps in diagnosing conditions like epilepsy, sleep disorders, and other neurological issues.

30 services30 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

24 services16 patients

Needle measurement of electrical activity in muscles on side of body 95867

This procedure, known as an electromyography, involves a small needle inserted into muscles to measure their electrical activity. It helps diagnose conditions affecting muscle function or nerve communication. It's a safe and essential tool in neurology.

16 services16 patients

Injection of anesthetic agent and/or steroid into lower back and leg nerve (sciatic nerve) 64445

This procedure involves injecting an anesthetic or steroid into the lower back and leg nerve to alleviate pain. The injection helps reduce inflammation and numb the area, providing relief from discomfort. This is a common treatment for conditions such as sciatica and herniated discs.

15 services13 patients

Evaluation of brain response to sound for diagnosis of nervous system disorders with interpretation and report 92653

This procedure examines how your brain responds to sound, aiding in the diagnosis of nervous system disorders. It involves playing sounds and monitoring brain activity, followed by an expert interpretation and report.

14 services14 patients

Measurement of nerve conduction using visual stimulation testing with report 95930

This procedure involves testing the speed and strength of signals traveling through your nerves, using visual stimuli. It helps identify any nerve damage or dysfunction. A report of the results is provided for further analysis.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Opelousas General Health System

Acute Care Hospitals · Opelousas, LA

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number190017

Location539 East Prudhomme StreetOpelousas, LA 70570 · St. Landry County

Emergency services Birthing friendly

Our Lady Of Lourdes Regional Medical Center, Inc

Acute Care Hospitals · Lafayette, LA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number190102

Location4801 Ambassador Caffery ParkwayLafayette, LA 70508 · Lafayette County

Emergency services Birthing friendly

St Francis Medical Center

Acute Care Hospitals · Monroe, LA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number190125

Location309 Jackson StreetMonroe, LA 71201 · Ouachita County

Emergency services Birthing friendly

Park Place Surgical Hospital

Acute Care Hospitals · Lafayette, LA

OwnershipPhysician

CMS Certification Number190255

Location4811 Ambassador Caffery ParkwayLafayette, LA 70508 · Lafayette County

Lafayette Surgical Specialty Hospital

Acute Care Hospitals · Lafayette, LA

OwnershipPhysician

CMS Certification Number190259

Location1101 Kaliste Saloom RdLafayette, LA 70508 · Lafayette County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70359 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$124.60 typical visit price

range $53.43 – $164.73

Typical copayment $31.15 (range $13.35 – $41.18)

Most-billed visit code 99204

Established Patient

$95.09 typical visit price

range $16.64 – $133.62

Typical copayment $23.77 (range $4.16 – $33.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Reported Quality Measures

Colorectal Cancer Screening

Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer

2%1,193 patients1/55-star benchmark: 85%

Dementia: Cognitive Assessment

Percentage of patients, regardless of age, with a diagnosis of dementia for whom an assessment of cognition is performed and the results reviewed at least once within a 12-month period

67%72 patients3/55-star benchmark: 100%

Diabetes: Medical Attention for Nephropathy

The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period

70%229 patients3/55-star benchmark: 99%

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

98%4,978 patients4/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

90%10,711 patients3/55-star benchmark: 99%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

100%1,395 patients5/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

1%3,099 patients1/55-star benchmark: 97%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

21%2,222 patients1/55-star benchmark: 97%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user

Patients screenedForUse: 95% · 1,192 patients

Patients tobacco: 78% · 1,192 patients

4%203 patients1/55-star benchmark: 98%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

62%3,099 patients3/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

17%3,099 patients1/55-star benchmark: 89%

Use of High-Risk Medications in the Elderly

Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.

Lower rates are better for this measure.

Patients 2+: 1% · 813 patients

4%813 patients4/55-star benchmark: 100%

View, Download, or Transmit (VDT)

At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.

10%3,099 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JEANETTE L NAQUIN FNP-C

Nurse Practitioner (Family)