1. Home
  2. Directory
  3. Georgia
  4. Riverdale
  5. Internal Medicine
  6. NPI Profile

MR. RAO S MIKKILINENI M.D.
NPI 1235130808
Internal Medicine - Pulmonary Disease in Riverdale, GA

Active since August 09, 2005PECOS EnrolledAccepts Medicare Assignment
483 UPPER RIVERDALE RD SW, SUITE A, SOUTH ATLANTA PULMONARY & CRITICAL CARE ASS, RIVERDALE, GA 30274(770) 991-3888(770) 994-0278 Get Directions Write a Review

NPPES record last updated: March 20, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mr. Rao S Mikkilineni M.d. NPPES

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

MR. RAO S MIKKILINENI M.D. (NPI 1235130808) is an individual pulmonary disease provider in Riverdale, Georgia, licensed in Georgia (023852) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Emory University Hospital Midtown, and is a graduate of Other (1981).

NPPES Registry Identity

NPI1235130808
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameMR. RAO S MIKKILINENICredential: M.D.
Location Address483 UPPER RIVERDALE RD SW, SUITE A, SOUTH ATLANTA PULMONARY & CRITICAL CARE ASSRiverdale, GA 30274-2584
Mailing Address483 Upper Riverdale Road, Suite A, Rai S. Mikkilineni, M.d.Riverdale, GA 30274-2584 · (770) 991-3888 · Fax (770) 994-0278
Phone(770) 991-3888
Fax(770) 994-0278
Sole ProprietorYes
Medical School CMSOtherGraduated 1981
Enumeration DateAugust 9, 2005
Last NPPES UpdateMarch 20, 2015
✔ NPI 1235130808 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in GA · 023852
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 023852 (GA)
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License GA023852 (GA)
Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License GA023852 (GA)
483 UPPER RIVERDALE RD SW, SUITE A, Riverdale, GA 30274
Open in Google Maps ↗

Other Identifiers 2

Medicare UPINF73335
Medicaid00322308AGA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of Alabama and more.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

Mr. Rao S Mikkilineni 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 ID1254510027
PECOS Enrollment IDI20110125001236
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

3

Medicare enrollment records show Rao Mikkilineni reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sonar Clinical Research, LLC
Same address
Sleep Disorder Diagnostic
483 UPPER RIVERDALE RD SW STE K
Riverdale, GA 30274
  • Reassigned Medicare billing, Georgia enrollment
NPI 1558186197 (470) 746-7814
South Atlanta Pulmonary & Critical Care Associates
Same address
Pulmonary Disease
483 UPPER RIVERDALE RD SW, SUITE A
Riverdale, GA 30274
  • Reassigned Medicare billing, Georgia enrollment
NPI 1255486387 (770) 991-3888
Morehouse Healthcare, Inc.
16 mi
Cardiovascular Disease
1800 HOWELL MILL RD NW STE 275
Atlanta, GA 30318
  • Reassigned Medicare billing, Georgia enrollment
  • 322 clinicians in this Medicare group
NPI 1801832324 (404) 752-1000

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 9

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
345 services76 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
264 services72 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.
111 services56 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
64 services41 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
40 services38 patients
Test to measure expiratory airflow and volume changes before and after medication administration 94060
This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.
31 services31 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Emory University Hospital Midtown

Acute Care Hospitals · Atlanta, GA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110078
Location550 Peachtree Street, NEAtlanta, GA 30308 · Fulton County
Emergency services Birthing friendly

Grady Memorial Hospital

Acute Care Hospitals · Atlanta, GA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110079
Location80 Jesse Hill, Jr Drive SEAtlanta, GA 30303 · Fulton County
Emergency services Birthing friendly

Southern Regional Medical Center

Acute Care Hospitals · Riverdale, GA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110165
Location11 Upper Riverdale Road, SWRiverdale, GA 30274 · Clayton County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30274 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
$130.64 typical visit price
range $56.84 – $172.43
Typical copayment $32.66 (range $14.21 – $43.10)
Most-billed visit code 99204
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
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

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
82%458 patients4/55-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
72%168 patients3/55-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.
95%3,548 patients4/55-star benchmark: 99%
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.
61%319 patients1/55-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.
99%824 patients5/55-star benchmark: 97%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
23%293 patients2/55-star benchmark: 90%
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…
94%793 patients4/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 96% · 550 patients
Patients tobacco: 31% · 91 patients
84%548 patients4/55-star benchmark: 98%
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…
30%824 patients2/55-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…
0%824 patients1/55-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.
23%824 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 19

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

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
8 suppliers40 claims40 services$33.36 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
6 suppliers25 claims25 services$74.33 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
5 suppliers25 claims72 services$28.43 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
4 suppliers16 claims94 services$13.76 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
4 suppliers14 claims79 services$12.43 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
7 suppliers34 claims34 services$44.73 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Rao Mikkilineni's NPI number?

The NPI number for Rao Mikkilineni is 1235130808. It was assigned to this individual provider in the NPPES registry on August 9, 2005.

Where is Rao Mikkilineni located?

Rao Mikkilineni practices at 483 Upper Riverdale Rd SW, Suite A South Atlanta Pulmonary & Critical Care Ass, Riverdale, GA 30274. The listed phone number is (770) 991-3888.

What is Rao Mikkilineni's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Rao Mikkilineni enrolled in Medicare?

Yes. Rao Mikkilineni 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 Rao Mikkilineni's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rao Mikkilineni reassigns Medicare benefits to 3 organizations: Sonar Clinical Research, LLC (Riverdale, GA), South Atlanta Pulmonary & Critical Care Associates (Riverdale, GA) and Morehouse Healthcare, Inc. (Atlanta, GA). 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 Rao Mikkilineni's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rao Mikkilineni accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 1 other insurer list Rao Mikkilineni 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.

Is Rao Mikkilineni affiliated with any hospitals?

According to CMS data, Rao Mikkilineni is affiliated with Emory University Hospital Midtown, Grady Memorial Hospital and Southern Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Rao Mikkilineni was last updated on March 20, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.