NPPES file of Aug 9, 2026

Shailaja Gunnala, MD

Internal Medicine Physician · Phoenix, AZ

Shailaja Gunnala, MD is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1265503221, issued on Nov 13, 2006. Check the license (Arizona 27607, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265503221
Name
Shailaja Gunnala
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
27607 AZ
Self-reported in NPPES; status is on the state search
Practice location
19636 N 27TH Ave, Phoenix, AZ 85027
Phone
(623) 580-7240
Enumerated
Nov 13, 2006
Record last updated
Apr 9, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(623) 580-7244
Medicaid ID
477845 AZ
Medicare enrollment
Enrolled (PECOS I20100924001238); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 19636 N 27TH Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mark Biliack, MDAnesthesiology Physician1891791851
  2. Gregory Bode, DOFamily Medicine Physician1831138239
  3. Lorena Calderon, FNP-CFamily Nurse Practitioner1366132714
  4. Cynthia Cornell, MSN, FNPFamily Nurse Practitioner1265511448
  5. Alannah Cullum, DPTPhysical Therapist1598332959
  6. George Gendy, MDOrthopaedic Foot and Ankle Surgery Physician1821275231

Verify Shailaja Gunnala in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 27607
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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15% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,694 Medicare Part D claims for 196 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Shailaja Gunnala2,694
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium252 claims
  2. Amlodipine Besylate167 claims
  3. Simvastatin155 claims
  4. Atorvastatin Calcium146 claims
  5. Metformin Hcl127 claims
  6. Rosuvastatin Calcium119 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $525.03

24 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Shailaja Gunnala$525.03
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Shailaja Gunnala among 2,853 internal medicine physician records in Arizona

Shailaja Gunnala, MD is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 55% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1988 · median 2003 among the 1,643 with a school on file
  • Record last updated2010 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

695 internal medicine physician records list a practice address in Phoenix

They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Marium Asad, M.D.Phoenix, AZ 850271518458157
  2. Lawrence Chua, M.D.Phoenix, AZ 850271487613691
  3. Jatin Daas, M.DPhoenix, AZ 850271326141722
  4. Uma Gunnala, MDPhoenix, AZ 850271881770220
  5. Nasser Hajaig, MDPhoenix, AZ 850271457324204
  6. Bruce Herman, M.D.Phoenix, AZ 850271801894951
  7. Shannan Murphy, MDPhoenix, AZ 850271083688253
  8. Tara Ostrom, M.D.Phoenix, AZ 850271124017009

Common questions

What is Shailaja Gunnala, MD's NPI number?

Shailaja Gunnala, MD's National Provider Identifier (NPI) is 1265503221, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Shailaja Gunnala, MD located?

The NPPES record lists a practice address at 19636 N 27TH Ave, Phoenix, AZ, 85027. Phone: (623) 580-7240. Providers update this record themselves, so call before visiting.

How can I verify Shailaja Gunnala, MD's license?

NPPES lists Arizona license number 27607, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Shailaja Gunnala, MD prescribe under Medicare Part D?

In 2024, Shailaja Gunnala, MD had 2,694 Medicare Part D claims for 196 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.