DR. GREGORY JOHN ALLEN M.D.
NPI 1952398356
Family Medicine in Ponchatoula, LA

Q: What is Gregory Allen's NPI number?

The NPI number for Gregory Allen is 1952398356. It was assigned to this individual provider in the NPPES registry on September 30, 2005.

Q: What is Gregory Allen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Allen was last updated on November 7, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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 September 30, 2005PECOS EnrolledAccepts Medicare Assignment

81.64/100

CMS Quality Rating

105 E OAK ST, PONCHATOULA, LA 70454(985) 386-6198(985) 386-6223 Get Directions Write a Review

NPPES record last updated: November 7, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Gregory John Allen M.d. NPPES

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

DR. GREGORY JOHN ALLEN M.D. (NPI 1952398356) is an individual family medicine provider in Ponchatoula, Louisiana, licensed in Louisiana (L018162) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with North Oaks Medical Center, and is a graduate of Louisiana State University School Of Medicine In New Orleans (1985).

NPPES Registry Identity

NPI1952398356

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. GREGORY JOHN ALLENCredential: M.D.

Location Address105 E OAK STPonchatoula, LA 70454-2619

Mailing AddressPo Box 129Ponchatoula, LA 70454-0129 · (985) 386-6198 · Fax (985) 386-6223

Phone(985) 386-6198

Fax(985) 386-6223

Sole ProprietorNo

Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 1985

Enumeration DateSeptember 30, 2005

Last NPPES UpdateNovember 7, 2008

✔ NPI 1952398356 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in LA · L018162

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

105 E OAK ST, Ponchatoula, LA 70454

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Other Identifiers 3

Medicaid1950009LA

Medicare UPINB63544LA

Medicare PIN52030LA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, HMO Louisiana, UnitedHealthcare.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

Dr. Gregory John Allen 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 ID3779671896

PECOS Enrollment IDI20100210000084

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 Reassignment

Medicare enrollment records show Gregory Allen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Allen's Family Practice Clinic Of Ponchatoula, L.L.P.

Same address

Family Medicine

105 E OAK ST
Ponchatoula, LA 70454

Reassigned Medicare billing, Louisiana enrollment
Medicare enrollment name: Allen's Family Practice Clinic Of Ponchatoula LLP
2 clinicians in this Medicare group

NPI 1992793095 (985) 386-6198

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 28

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

394 services111 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.

374 services217 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.

288 services160 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307

A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.

199 services26 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

142 services142 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

141 services141 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

131 services127 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

110 services110 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

97 services50 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

87 services87 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

78 services57 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

74 services74 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

72 services57 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

62 services45 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

47 services38 patients

Testing for presence of drug, read by direct observation 80305

Testing for the presence of drugs involves collecting a sample, usually urine, which is then analyzed for specific substances. The process is monitored directly to ensure accuracy and integrity. This test helps to confirm if drugs are present in your system.

46 services21 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.

34 services28 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

34 services21 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428

This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.

31 services28 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

31 services23 patients

Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179

This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.

30 services15 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

20 services17 patients

Administration of vaccine 90471

Administering a vaccine involves injecting a small, safe piece of a virus or bacteria into your body. This triggers your immune system to recognize and fight off the disease in the future. It's a vital tool in preventing serious illnesses and maintaining public health.

17 services17 patients

Removal of impacted ear wax by washing 69209

Impacted ear wax removal by washing, also known as ear irrigation, involves using a pressurized flow of water to break up and dislodge the ear wax. This safe procedure helps restore normal hearing and relieve discomfort caused by the blockage.

15 services15 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

15 services14 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

15 services13 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

15 services11 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

15 services13 patients

Hospital Affiliations CMS Care Compare 2

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

North Oaks Medical Center

Acute Care Hospitals · Hammond, LA

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number190015

Location15790 Paul Vega MD DriveHammond, LA 70403 · Tangipahoa County

Emergency services Birthing friendly

Cypress Pointe Surgical Hospital

Acute Care Hospitals · Hammond, LA

OwnershipPhysician

CMS Certification Number190303

Location42570 South Airport RdHammond, LA 70403 · Tangipahoa County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70454 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

$83.60 typical visit price

range $53.43 – $164.73

Typical copayment $20.90 (range $13.35 – $41.18)

Most-billed visit code 99203

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.

81.64/100

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

Scored as part of a group practice

Quality

67.6

Improvement Activities

Cost

71.16

Referred Medical Equipment & Supplies CMS DME claims 15

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

12 suppliers36 claims80 services$6.19 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

10 suppliers22 claims24 services$1.10 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

4 suppliers14 claims14 services$50.91 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

4 suppliers12 claims12 services$18.44 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

3 suppliers14 claims14 services$12.72 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

4 suppliers21 claims99 services$2.09 avg. paid by Medicare

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035

Other-Enteral and Parenteral · category OB006N

1 supplier12 claims306 services$6.12 avg. paid by Medicare

Enteral formula, nutritionally complete, for special metabolic needs, excludes inherited disease of metabolism, includes altered composition of proteins, fats, carbohydrates, vitamins and/or minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4154

Other-Enteral and Parenteral · category OB006N

1 supplier11 claims4,613 services$0.69 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

1 supplier11 claims11 services$39.74 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

1 supplier18 claims18 services$39.90 avg. paid by Medicare

Iv pole E0776

DME-Other DME · category DE000N

1 supplier12 claims12 services$9.06 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

4 suppliers44 claims44 services$85.49 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

3 suppliers15 claims15 services$32.25 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

3 suppliers22 claims22 services$175.69 avg. paid by Medicare

Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738

DME-Oxygen and Supplies · category DC000N

1 supplier13 claims13 services$34.17 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

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

MS. MELISSA A. LAMA N.P.

Nurse Practitioner (Adult Health)

105 E OAK ST
PONCHATOULA, LA 70454

Tangipahoa Parish (985) 386-6198

DR. STEVE LAWRENCE GAUDIN M.D.

Family Medicine

105 E OAK ST
PONCHATOULA, LA 70454

Tangipahoa Parish (985) 386-6198

LAUREN A ARTEAGA FNP

Nurse Practitioner (Family)

105 E OAK ST
PONCHATOULA, LA 70454

Tangipahoa Parish (985) 386-6198

ALLEN'S FAMILY PRACTICE CLINIC OF PONCHATOULA, L.L.P.

Family Medicine

105 E OAK ST
PONCHATOULA, LA 70454

Tangipahoa Parish (985) 386-6198

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Allen's NPI number?

The NPI number for Gregory Allen is 1952398356. It was assigned to this individual provider in the NPPES registry on September 30, 2005.

Where is Gregory Allen located?

Gregory Allen practices at 105 E Oak St, Ponchatoula, LA 70454. The listed phone number is (985) 386-6198.

What is Gregory Allen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Gregory Allen enrolled in Medicare?

Yes. Gregory Allen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Gregory Allen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Allen reassigns Medicare benefits to Allen's Family Practice Clinic Of Ponchatoula, L.L.P. (Ponchatoula, LA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregory Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Allen accept?

Health plans from Blue Cross and Blue Shield of Louisiana, HMO Louisiana and UnitedHealthcare list Gregory Allen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gregory Allen affiliated with any hospitals?

According to CMS data, Gregory Allen is affiliated with North Oaks Medical Center and Cypress Pointe Surgical Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Allen was last updated on November 7, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.