GNANA SUMATHI REDDY NAINI (M.D.) – Geriatric Medicine (Internal Medicine) Physician, NPI 1821094335

GNANA SUMATHI REDDY NAINI (M.D.) is a healthcare provider. based in Plano, Texas. specializing in INTERNAL MEDICINE, GERIATRIC MEDICINE. They hold the professional credentials M.D.. They hold a License No. H6902 (TX). The NPI Number for GNANA SUMATHI REDDY NAINI (M.D.) is 1821094335

Main info

Female
48 Years Of Experience
Accepts Medicare Assignment
Name
GNANA SUMATHI REDDY NAINI (M.D.)
NPI
1821094335
Phone
(972) 422-0505
Address
1301 CUSTER RD
Enumeration Date
21 June 2005
Last Update Date
30 March 2026

Doctor Profile

Medical School Name
OTHER
Secondary Phone
4699669660
Graduation Year
1978 (48 years ago)
PAC ID
9931113917
Group Practice PAC ID
4789950247
Professional Enrollment ID
I20060131000339
Address ID
TX752372605DA3209XRDXX500
Telehealth
Yes

Contacts

Secure Messaging
gnana.sumathi.naini.1@29601.direct.athenahealth.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness95
Years active:20State licenses:1Other names

13,290 INTERNAL MEDICINE in TX

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Provider Addresses for GNANA SUMATHI REDDY NAINI (M.D.)

  • 1301, Custer Road, Plano, Collin County, Texas, 75075, United States

    STE 830

    PLANO, TX 750759402

    Phone: (972) 422-0505

    Fax: (972) 516-3971

    Type: Mailing

  • 1205 Northwest Hwy

    Garland, TX 750415835

    Phone: (469) 936-0541

    Fax: (877) 541-4239

    Type: Location

  • 416 VILLAGE DR STE C

    MURPHY, TX 750944650

    Phone: (972) 325-8060

    Fax: (972) 430-7818

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2006-01-31

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20060131000339IInternal MedicineTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99308Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes26445$0
99306Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes2019$0
99305Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes1715$0
View full utilization report →

Insurance plans in this area (ZIP 75075)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4789950247View full group profile
NameSpecialtyState
-TX
Nurse PractitionerTX
Nurse PractitionerTX
Internal MedicineTX
Nurse PractitionerTX
Nurse PractitionerTX
Physician AssistantTX
Internal MedicineFL
Family PracticeFL
Internal MedicineTX

Reviews

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Frequently asked questions

What NPI should I save for GNANA SUMATHI REDDY NAINI (M.D.)?
Save NPI 1821094335 if you need a stable reference for GNANA SUMATHI REDDY NAINI (M.D.).
Is GNANA SUMATHI REDDY NAINI (M.D.) active in the national directory?
GNANA SUMATHI REDDY NAINI (M.D.)'s public NPI profile is in an active state.
What field does GNANA SUMATHI REDDY NAINI (M.D.) work in?
You can think of GNANA SUMATHI REDDY NAINI (M.D.) as practicing within Geriatric Medicine (Internal Medicine) Physician. Clinical services aligned with this taxonomy classification.
Does GNANA SUMATHI REDDY NAINI (M.D.) practice in Texas?
You will see Plano, Texas on file for GNANA SUMATHI REDDY NAINI (M.D.) alongside any extra practice locations.
Is GNANA SUMATHI REDDY NAINI (M.D.) a real provider?
This page reflects official NPPES data for NPI 1821094335. Always confirm identity and privileges with the practice and licensing boards.

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