DR. KATHARINE T. GREGG MD
NPI 1194758854
Internal Medicine - Geriatric Medicine in Jackson, MS

Active since July 08, 2006PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
2500 NORTH STATE STREET, DEPARTMENT OF MEDICINE/DIVISION OF GERIATRICS, JACKSON, MS 39216(601) 984-5610(601) 984-6439 Get Directions Write a Review

NPPES record last updated: April 9, 2014. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Katharine T. Gregg Md NPPES

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

DR. KATHARINE T. GREGG MD (NPI 1194758854) is an individual geriatric medicine provider in Jackson, Mississippi, licensed in Mississippi (14404) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with University Of Mississippi Med Center, and is a graduate of University Of Mississippi School Of Medicine (1994).

NPPES Registry Identity

NPI1194758854
Entity TypeIndividualFemale
Primary Taxonomy207RG0300X
Provider Legal NameDR. KATHARINE T. GREGGCredential: MD
Location Address2500 NORTH STATE STREET, DEPARTMENT OF MEDICINE/DIVISION OF GERIATRICSJackson, MS 39216-4500
Mailing Address2500 North State Street, Division Of GeriatricsJackson, MS 39216-4500 · (601) 984-5610 · Fax (601) 984-5783
Fax(601) 984-6439
Sole ProprietorNo
Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 1994
Enumeration DateJuly 8, 2006
Last NPPES UpdateApril 9, 2014
NPI 1194758854 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License Licensed in MS · 14404
Definition

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

2500 NORTH STATE STREET, Jackson, MS 39216

Other Identifiers 4

Medicaid0119787MS
Medicare UPING60429MS
Medicaid1462128LA
Medicare PIN512I110044MS

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Katharine T. Gregg Md 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 ID1850480419
PECOS Enrollment IDI20071204000691
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.

Areas of Expertise CMS Part B claims 12

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.

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.
252 services154 patients
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.
145 services57 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.
105 services75 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.
80 services32 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
51 services16 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.
40 services38 patients

Hospital Affiliations CMS Care Compare 5

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

University Of Mississippi Med Center

Acute Care Hospitals · Jackson, MS
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number250001
Location2500 N State StJackson, MS 39216 · Hinds County
Emergency services Birthing friendly

St Dominic-Jackson Memorial Hospital

Acute Care Hospitals · Jackson, MS
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number250048
Location969 Lakeland DrJackson, MS 39216 · Hinds County
Emergency services Birthing friendly

Yalobusha General Hospital

Acute Care Hospitals · Water Valley, MS
OwnershipGovernment - Local
CMS Certification Number250061
Location630 South Main StreetWater Valley, MS 38965 · Yalobusha County

Mississippi Baptist Medical Center

Acute Care Hospitals · Jackson, MS
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number250102
Location1225 N State StJackson, MS 39202 · Hinds County
Emergency services Birthing friendly

Mississippi Methodist Rehab Ctr

Acute Care Hospitals · Jackson, MS
OwnershipVoluntary non-profit - Private
CMS Certification Number250152
Location1350 E Woodrow Wilson DrJackson, MS 39216 · Hinds County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39216 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
$159.18 typical visit price
range $51.65 – $159.18
Typical copayment $39.79 (range $12.91 – $39.79)
Most-billed visit code 99205
Established Patient
$92.20 typical visit price
range $16.15 – $129.61
Typical copayment $23.05 (range $4.03 – $32.40)
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
Individually scored

Other Providers at the Same Location NPPES 20

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

Internal Medicine (Nephrology)
2500 NORTH STATE STREET, DEPARTMENT OF MEDICINE DIVISION OF NEPHROLOGY
JACKSON, MS 39216
Nurse Practitioner (Family)
2500 NORTH STATE STREET, DEPARTMENT OF MEDICINE DIVISION OF GEN INTERNAL MED
JACKSON, MS 39216
Internal Medicine
2500 NORTH STATE STREET, DEPARTMENT OF MEDICINE DIV GENERAL INTERNAL MEDICINE
JACKSON, MS 39216
Internal Medicine (Pulmonary Disease)
2500 NORTH STATE STREET, DEPARTMENT OF MEDICINE/DIVISION OF PULMONARY
JACKSON, MS 39216
Internal Medicine (Pulmonary Disease)
2500 NORTH STATE STREET, DEPARTMENT OF MEDICINE/DIVISION OF PULMONARY
JACKSON, MS 39216
Internal Medicine (Infectious Disease)
2500 NORTH STATE STREET, DEPARTMENT OF MEDICINE/DIVISION OF INFECTIOUS DISEASE
JACKSON, MS 39216
Internal Medicine (Pulmonary Disease)
2500 NORTH STATE STREET, DEPARTMENT OF MEDICINE DIVISION OF PULMONARY
JACKSON, MS 39216
Internal Medicine
2500 NORTH STATE STREET, DEPARTMENT OF MEDICINE/DIVISION OF HYPERTENSION
JACKSON, MS 39216

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 Katharine Gregg's NPI number?

The NPI number for Katharine Gregg is 1194758854. It was assigned to this individual provider in the NPPES registry on July 8, 2006.

Where is Katharine Gregg located?

Katharine Gregg practices at 2500 North State Street Department Of Medicine/Division Of Geriatrics, Jackson, MS 39216. The listed phone number is (601) 984-5610.

What is Katharine Gregg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Katharine Gregg enrolled in Medicare?

Yes. Katharine Gregg 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.

What insurance does Katharine Gregg accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of Tennessee list Katharine Gregg 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 Katharine Gregg affiliated with any hospitals?

According to CMS data, Katharine Gregg is affiliated with University Of Mississippi Med Center, St Dominic-Jackson Memorial Hospital, Yalobusha General Hospital, Mississippi Baptist Medical Center and Mississippi Methodist Rehab Ctr.

When was this NPI record last updated?

The NPPES record for Katharine Gregg was last updated on April 9, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.