1. Home
  2. Directory
  3. Arizona
  4. Phoenix
  5. Internal Medicine
  6. NPI Profile

MRS. SHAILAJA GUNNALA MD
NPI 1265503221
Internal Medicine in Phoenix, AZ

Active since November 13, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 03D0964569 · Waiver
19636 N 27TH AVE, #207, PHOENIX, AZ 85027(623) 580-7240(623) 580-7244 Get Directions Write a Review

NPPES record last updated: April 9, 2010. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mrs. Shailaja Gunnala Md NPPES

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

MRS. SHAILAJA GUNNALA MD (NPI 1265503221) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (27607) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through February 29, 2028, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1265503221
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMRS. SHAILAJA GUNNALACredential: MD
Location Address19636 N 27TH AVE, #207Phoenix, AZ 85027
Mailing Address19636 N 27th Ave, #207Phoenix, AZ 85027 · (623) 580-7240 · Fax (623) 580-7244
Phone(623) 580-7240
Fax(623) 580-7244
Sole ProprietorYes
Medical School CMSOtherGraduated 1988
Enumeration DateNovember 13, 2006
Last NPPES UpdateApril 9, 2010
✔ NPI 1265503221 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AZ · 27607
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
19636 N 27TH AVE, Phoenix, AZ 85027
Open in Google Maps ↗

Other Names 1

Former Name (1)Shailaja Pratap

Other Identifiers 3

Medicaid477845AZ
Medicare ID-Type UnspecifiedZ28446
Medicare UPINH00067

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Shailaja Gunnala Md 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 ID1052437282
PECOS Enrollment IDI20100924001238
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 03D0964569

Shailaja Gunnala MD PC · Phoenix, AZ
Active · expires Feb 29, 2028
CLIA Number03D0964569
Laboratory TypePhysician Office
Certificate Effective DateMarch 1, 2026
Certificate Expiration DateFebruary 29, 2028
Laboratory DirectorShailaja Gunnala MD
Laboratory Phone(623) 580-7240
Laboratory LocationShailaja Gunnala MD PC20045 N 19th Ave, Bldg 11, Ste 165, Phoenix, AZ 85027
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 6

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 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.
159 services49 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.
112 services46 patients
Annual alcohol misuse screening, 5 to 15 minutes G0442
An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.
32 services32 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
27 services27 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
27 services27 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85027 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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

Adult Sinusitis: Antibiotic Prescribed for Acute Viral Sinusitis (Overuse)
Percentage of patients, aged 18 years and older, with a diagnosis of acute viral sinusitis who were prescribed an antibiotic within 10 days after onset of symptoms
Lower rates are better for this measure.
81%48 patients1/55-star benchmark: 100%
Adult Sinusitis: Computerized Tomography (CT) for Acute Sinusitis (Overuse)
Percentage of patients aged 18 years and older with a diagnosis of acute sinusitis who had a computerized tomography (CT) scan of the paranasal sinuses ordered at the time of diagnosis or received within 28 days after date of diagnosis
Lower rates are better for this measure.
2%43 patients
Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
77%111 patients4/55-star benchmark: 100%
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
48%261 patients3/55-star benchmark: 85%
Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
37%140 patients2/55-star benchmark: 100%
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.
97%6,051 patients4/55-star benchmark: 99%
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…
34%489 patients2/55-star benchmark: 88%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
98%517 patients4/55-star benchmark: 100%
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.
68%1,196 patients3/55-star benchmark: 97%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
49%1,169 patients3/55-star benchmark: 97%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
31%1,032 patients2/55-star benchmark: 88%
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…
63%1,196 patients3/55-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…
55%1,196 patients3/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
46%1,196 patients
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

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers11 claims20 services$5.98 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 20

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

NORTHWEST ONCOLOGY & HEMATOLOGY, PLLC
Internal Medicine (Hematology & Oncology)
19636 N 27TH AVE, SUITE 303
PHOENIX, AZ 85027
Maricopa County (623) 879-6034
JILL A HOLLAND APRN
Nurse Practitioner (Adult Health)
19636 N 27TH AVE, SUITE 202
PHOENIX, AZ 85027
Maricopa County (623) 869-5000
THE PAIN CENTER OF ARIZONA, PC
Non-Pharmacy Dispensing Site
19636 N 27TH AVE, SUITE 202
PHOENIX, AZ 85027
Maricopa County (623) 516-8252
DR. STANLEY EUGENE ROBINSON MD
Family Medicine
19636 N 27TH AVE, STE. 308
PHOENIX, AZ 85027
Maricopa County (623) 780-1999
DR. DUSTIN SEARER PT, DPT
Physical Therapist
19636 N 27TH AVE
PHOENIX, AZ 85027
Maricopa County (480) 712-4600
HONORHEALTH MEDICAL GROUP, LLC
Family Medicine
19636 N 27TH AVE, SUITE 308
PHOENIX, AZ 85027
Maricopa County (623) 780-1999
THE PAIN CENTER OF ARIZONA, PC
Non-Pharmacy Dispensing Site
19636 N 27TH AVE, SUITE 106
PHOENIX, AZ 85027
Maricopa County (623) 516-8252
DANA JOHNSON PA-C
Physician Assistant
19636 N 27TH AVE
PHOENIX, AZ 85027
Maricopa County (623) 780-1999

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 Shailaja Gunnala's NPI number?

The NPI number for Shailaja Gunnala is 1265503221. It was assigned to this individual provider in the NPPES registry on November 13, 2006. The provider is also known as Shailaja Pratap.

Where is Shailaja Gunnala located?

Shailaja Gunnala practices at 19636 N 27th Ave #207, Phoenix, AZ 85027. The listed phone number is (623) 580-7240.

What is Shailaja Gunnala's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Shailaja Gunnala enrolled in Medicare?

Yes. Shailaja Gunnala 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.

Does Shailaja Gunnala hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 03D0964569) is associated with this NPI, valid through February 29, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Shailaja Gunnala accept?

Health plans from Ambetter from Arizona Complete Health and Blue Cross Blue Shield of Arizona list Shailaja Gunnala 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 Shailaja Gunnala was last updated on April 9, 2010. NPI Profile syncs with the weekly NPPES data releases published by CMS.