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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GNANA SUMATHI REDDY NAINI M.D.
NPI 1821094335
Internal Medicine - Geriatric Medicine in Murphy, TX

Active since June 21, 2005PECOS EnrolledAccepts Medicare Assignment
416 VILLAGE DR STE C, MURPHY, TX 75094(972) 325-8060(972) 430-7818 Get Directions Write a Review

NPPES record last updated: September 26, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 26, 2026, Mar 30, 2026, Aug 6, 2025 and 1 more (4 updates tracked since 2022).

About Gnana Sumathi Reddy Naini M.d. NPPES

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

GNANA SUMATHI REDDY NAINI M.D. (NPI 1821094335) is an individual geriatric medicine provider in Murphy, Texas, licensed in Texas (H6902) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, maintains a secondary practice location in Garland, and is a graduate of Other (1978).

NPPES Registry Identity

NPI1821094335
Entity TypeIndividualFemale
Primary Taxonomy207RG0300X
Provider Legal NameGNANA SUMATHI REDDY NAINICredential: M.D.
Location Address416 VILLAGE DR STE CMurphy, TX 75094-4650
Mailing Address416 Village Dr Ste CMurphy, TX 75094-4650
Phone(972) 325-8060
Fax(972) 430-7818
Sole ProprietorNo
Medical School CMSOtherGraduated 1978
Enumeration DateJune 21, 2005
Last NPPES UpdateSeptember 26, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 26, 2026
✔ NPI 1821094335 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in TX · H6902
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.
Also ListedSkilled Nursing FacilityTaxonomy 314000000X · License H6902 (TX)
416 VILLAGE DR STE C, Murphy, TX 75094
Open in Google Maps ↗

Secondary Practice Location 1

Location 11205 Northwest HwyGarland, TX 75041-5835 · Phone (469) 936-0541 · Fax (877) 541-4239

Other Identifiers 1

Medicaid122865503TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Molina Healthcare.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

Gnana Sumathi Reddy Naini 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 ID9931113917
PECOS Enrollment IDI20060131000339
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

2

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

Gnana S R Naini , M.D, P.A
Same address
Internal Medicine
416 VILLAGE DR STE C
Murphy, TX 75094
  • Reassigned Medicare billing, Texas enrollment
NPI 1972707776 (972) 325-8060
Centerwell Senior Primary Care Tx PA
5.5 mi
Internal Medicine
1332 S PLANO RD STE 550
Richardson, TX 75081
  • Reassigned Medicare billing, Texas enrollment
  • 157 clinicians in this Medicare group
NPI 1396441481 (972) 619-3988

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 4

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 nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
255 services40 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.
32 services19 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.
23 services18 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75094 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
$166.88 typical visit price
range $54.84 – $166.88
Typical copayment $41.72 (range $13.71 – $41.72)
Most-billed visit code 99205
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

Reported Quality Measures

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.
85%2,037 patients4/55-star benchmark: 100%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
7%27 patients1/55-star benchmark: 96%
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.
74%514 patients4/55-star benchmark: 99%
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…
92%514 patients4/55-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…
67%514 patients5/55-star benchmark: 59%
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.

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.

Insertion tray with drainage bag with indwelling catheter, foley type, two-way latex with coating (teflon, silicone, silicone elastomer or hydrophilic, etc.) A4314
DME-Orthotic Devices · category DF000N
2 suppliers11 claims11 services$22.24 avg. paid by Medicare
Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357
DME-Orthotic Devices · category DF000N
2 suppliers11 claims11 services$7.27 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 supplier26 claims788 services$4.28 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 supplier27 claims11,712 services$0.61 avg. paid by Medicare
Iv pole E0776
DME-Other DME · category DE000N
1 supplier12 claims12 services$3.69 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.

GNANA S R NAINI , M.D, P.A
Internal Medicine
416 VILLAGE DR STE C
MURPHY, TX 75094
Collin County (972) 325-8060

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 Gnana Sumathi Naini's NPI number?

The NPI number for Gnana Sumathi Naini is 1821094335. It was assigned to this individual provider in the NPPES registry on June 21, 2005.

Where is Gnana Sumathi Naini located?

Gnana Sumathi Naini practices at 416 Village Dr Ste C, Murphy, TX 75094. The listed phone number is (972) 325-8060.

What is Gnana Sumathi Naini's specialty?

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

Is Gnana Sumathi Naini enrolled in Medicare?

Yes. Gnana Sumathi Naini 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 organizations bill Medicare for Gnana Sumathi Naini's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gnana Sumathi Naini reassigns Medicare benefits to 2 organizations: Gnana S R Naini , M.D, P.A (Murphy, TX) and Centerwell Senior Primary Care Tx PA (Richardson, TX). 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 Gnana Sumathi Naini's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gnana Sumathi Naini accept?

Health plans from Blue Cross and Blue Shield of Texas and Molina Healthcare list Gnana Sumathi Naini 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 Gnana Sumathi Naini was last updated on September 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.