DR. GREGORY P. MOCK MD
NPI 1942308101
Internal Medicine - Nephrology in Searcy, AR

Q: What is Gregory Mock's NPI number?

The NPI number for Gregory Mock is 1942308101. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Q: What is Gregory Mock's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Mock was last updated on April 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 20, 2006PECOS Enrolled

403 S POPLAR ST STE D, SEARCY, AR 72143(501) 279-7077(501) 279-3970 Get Directions Write a Review

NPPES record last updated: April 16, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 16, 2021, Jul 30, 2020, Jun 29, 2017 and 1 more (4 updates tracked since 2017).

On this page

About Dr. Gregory P. Mock Md NPPES

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

DR. GREGORY P. MOCK MD (NPI 1942308101) is an individual nephrology provider in Searcy, Arkansas, licensed in Arkansas (E8397) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Minnesota Medical School (1991).

NPPES Registry Identity

NPI1942308101

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. GREGORY P. MOCKCredential: MD

Location Address403 S POPLAR ST STE DSearcy, AR 72143-6000

Mailing AddressPo Box 17930Little Rock, AR 72222-7930 · (501) 663-0490 · Fax (501) 663-5948

Phone(501) 279-7077

Fax(501) 279-3970

Sole ProprietorNo

Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 1991

Enumeration DateSeptember 20, 2006

Last NPPES UpdateApril 16, 20214 updates tracked since enumeration

NPPES CertifiedApril 16, 2021

✔ NPI 1942308101 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

Licenses✔ Licensed in AR · E8397✔ Licensed in MS · 20865

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

403 S POPLAR ST STE D, Searcy, AR 72143

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Other Identifiers 1

Medicaid203317001AR

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 (PECOS)

Dr. Gregory P. Mock Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1951483858

PECOS Enrollment IDI20140606000150

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 Gregory Mock reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

White County Medical Center

0.6 mi

Hospitalist

3214 E RACE AVE
Searcy, AR 72143

Reassigned Medicare billing, Arkansas enrollment
159 clinicians in this Medicare group

NPI 1053662890 (501) 268-6121

Central Arkansas Physician Group PLLC

0.6 mi

Internal Medicine

3214 E RACE AVE
Searcy, AR 72143

Reassigned Medicare billing, Arkansas enrollment
15 clinicians in this Medicare group

NPI 1205718897 (719) 229-3849

Nephrology Associates PA

52 mi

Nephrology

8907 KANIS RD STE 330
Little Rock, AR 72205

Reassigned Medicare billing, Arkansas enrollment
22 clinicians in this Medicare group

NPI 1992796924 (501) 224-8810

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 14

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 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.

362 services235 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.

243 services94 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.

236 services97 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

202 services45 patients

Home dialysis services per month (20 years or older) 90966

Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.

181 services24 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

149 services46 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.

118 services69 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.

113 services95 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

71 services33 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.

69 services11 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.

38 services38 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.

31 services23 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.

31 services26 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

29 services29 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 72143 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

$119.36 typical visit price

range $51.36 – $157.74

Typical copayment $29.84 (range $12.84 – $39.43)

Most-billed visit code 99204

Established Patient

$91.63 typical visit price

range $16.16 – $128.77

Typical copayment $22.90 (range $4.04 – $32.19)

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.

Referred Medical Equipment & Supplies CMS DME claims 5

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

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

1 supplier27 claims27 services$897.76 avg. paid by Medicare

Tacrolimus, immediate release, oral, 1 mg J7507

Treatment-Treatment - Miscellaneous · category RX029N

5 suppliers55 claims4,680 services$0.30 avg. paid by Medicare

Mycophenolic acid, oral, 180 mg J7518

Treatment-Treatment - Miscellaneous · category RX029N

3 suppliers26 claims4,920 services$0.93 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

5 suppliers40 claims40 services$18.94 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

4 suppliers41 claims49 services$12.35 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

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

DR. ROBERT R CAMFERDAM M.D.

Internal Medicine (Nephrology)

403 S POPLAR ST STE D
SEARCY, AR 72143

White County (501) 279-7077

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 Mock's NPI number?

The NPI number for Gregory Mock is 1942308101. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Gregory Mock located?

Gregory Mock practices at 403 S Poplar St Ste D, Searcy, AR 72143. The listed phone number is (501) 279-7077.

What is Gregory Mock's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Gregory Mock enrolled in Medicare?

Yes. Gregory Mock is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gregory Mock's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Mock reassigns Medicare benefits to 3 organizations: White County Medical Center (Searcy, AR), Central Arkansas Physician Group PLLC (Searcy, AR) and Nephrology Associates PA (Little Rock, AR). Each 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 Mock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Mock accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Gregory Mock 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.

When was this NPI record last updated?

The NPPES record for Gregory Mock was last updated on April 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.