Shailaja Gunnala, MD
NPI 1265503221 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shailaja Gunnala, MD is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1265503221).
Provider details
- NPI number
- 1265503221
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 27607 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
372 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 159 | $123 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 112 | $9 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 32 | $18 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 27 | $125 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 27 | $18 |
| Administration of Influenza Virus VaccineG0008 | 15 | $31 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 252 | 54 |
| Amlodipine Besylate | 167 | 50 |
| Simvastatin | 155 | 42 |
| Atorvastatin Calcium | 146 | 43 |
| Metformin Hcl | 127 | 36 |
| Rosuvastatin Calcium | 119 | 43 |
| Pantoprazole Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$525 across 24 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-13
- Last updated
- 2010-04-09
Frequently asked questions
- What is Shailaja Gunnala's NPI number?
- Shailaja Gunnala's National Provider Identifier (NPI) is 1265503221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shailaja Gunnala's specialty?
- Shailaja Gunnala is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Shailaja Gunnala located?
- Shailaja Gunnala's practice location on file with NPPES is 19636 N 27th Ave, Phoenix, AZ 85027.
- What is Shailaja Gunnala's phone number?
- The practice phone number listed in the NPPES registry for Shailaja Gunnala is (623) 580-7240.
- Does Shailaja Gunnala accept Medicare?
- Shailaja Gunnala is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shailaja Gunnala's NPI active?
- Yes — Shailaja Gunnala's NPI (1265503221) is active in the NPPES registry as of the last update on 2010-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.