SUNITHA VENKATACHALLAM MD
NPI 1205949815
Internal Medicine in Fairfax, VA

Q: What is Sunitha Venkatachallam's NPI number?

The NPI number for Sunitha Venkatachallam is 1205949815. It was assigned to this individual provider in the NPPES registry on August 16, 2006.

Q: What is Sunitha Venkatachallam's specialty?

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

Active since August 16, 2006PECOS EnrolledAccepts Medicare Assignment

93.51/100

CMS Quality Rating

10340 DEMOCRACY LN STE 102, FAIRFAX, VA 22030(703) 218-2970(703) 218-2965 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 19, 2020, May 19, 2020 (2 updates tracked since 2020).

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About Sunitha Venkatachallam Md NPPES

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

SUNITHA VENKATACHALLAM MD (NPI 1205949815) is an individual internal medicine provider in Fairfax, Virginia, licensed in Virginia (0101239294) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1205949815

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameSUNITHA VENKATACHALLAMCredential: MD

Location Address10340 DEMOCRACY LN STE 102Fairfax, VA 22030-2518

Mailing Address10340 Democracy Ln Ste 102Fairfax, VA 22030-2518 · (703) 218-2970 · Fax (703) 218-2965

Phone(703) 218-2970

Fax(703) 218-2965

Sole ProprietorNo

Medical School CMSOtherGraduated 1996

Enumeration DateAugust 16, 2006

Last NPPES UpdateNovember 27, 20232 updates tracked since enumeration

NPPES CertifiedOctober 19, 2020

✔ NPI 1205949815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in VA · 0101239294

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.

10340 DEMOCRACY LN STE 102, Fairfax, VA 22030

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.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

Sunitha Venkatachallam 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 ID6103827399

PECOS Enrollment IDI20070131000401, I20150521002421

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

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

Inova Health Care Services

3.9 mi

Multi-Specialty

2740 PROSPERITY AVE STE 200
Fairfax, VA 22031

Reassigned Medicare billing, Virginia enrollment
2,379 clinicians in this Medicare group

NPI 1669511051 (703) 321-2600

Fair Oaks Hospitalist Physicians, PLLC

4.9 mi

Hospitalist

3600 JOSEPH SIEWICK DR
Fairfax, VA 22033

Reassigned Medicare billing, District of Columbia enrollment
113 clinicians in this Medicare group

NPI 1275601205 (571) 294-2032

Inova Physician Partners, LLC

7.7 mi

Family Medicine

3914 CENTREVILLE RD, SUITE 250
Chantilly, VA 20151

Reassigned Medicare billing, District of Columbia and Virginia enrollments
379 clinicians in this Medicare group

NPI 1215264916 (703) 321-2609

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 13

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 low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

142 services107 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.

133 services133 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

129 services18 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.

126 services97 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.

48 services48 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

44 services44 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

34 services34 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

34 services34 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

28 services21 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

12 services12 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

12 services12 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

11 services11 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490063

Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County

Emergency services Birthing friendly

Inova Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number490101

Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County

Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22030 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

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.

93.51/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

87.02

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 10

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

Sterile water/saline, 500 ml A4217

DME-Medical/Surgical Supplies · category DA000N

1 supplier11 claims324 services$2.72 avg. paid by Medicare

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

10 suppliers20 claims74 services$5.80 avg. paid by Medicare

Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351

DME-Orthotic Devices · category DF008N

1 supplier11 claims1,020 services$1.56 avg. paid by Medicare

Lubricant, per ounce A4402

DME-Orthotic Devices · category DF010N

1 supplier12 claims92 services$1.53 avg. paid by Medicare

Tape, non-waterproof, per 18 square inches A4450

DME-Medical/Surgical Supplies · category DA000N

1 supplier11 claims110 services$0.07 avg. paid by Medicare

Tracheal suction catheter, any type other than closed system, each A4624

DME-Other DME · category DE000N

1 supplier12 claims1,116 services$2.16 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 4

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

ANNA CLAIRE CHRISTOPHER

Behavior Technician

10340 DEMOCRACY LN STE 102
FAIRFAX, VA 22030

Fairfax City (571) 386-0871

NAYAB ZAFAR

Behavior Technician

10340 DEMOCRACY LN STE 102
FAIRFAX, VA 22030

Fairfax City (571) 386-0871

JULIANA PINA

Behavior Technician

10340 DEMOCRACY LN STE 102
FAIRFAX, VA 22030

Fairfax City (571) 586-0871

JACQUELYN THOMPSON

Behavior Technician

10340 DEMOCRACY LN STE 102
FAIRFAX, VA 22030

Fairfax City (571) 386-0871

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 Sunitha Venkatachallam's NPI number?

The NPI number for Sunitha Venkatachallam is 1205949815. It was assigned to this individual provider in the NPPES registry on August 16, 2006.

Where is Sunitha Venkatachallam located?

Sunitha Venkatachallam practices at 10340 Democracy Ln Ste 102, Fairfax, VA 22030. The listed phone number is (703) 218-2970.

What is Sunitha Venkatachallam's specialty?

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

Is Sunitha Venkatachallam enrolled in Medicare?

Yes. Sunitha Venkatachallam 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 Sunitha Venkatachallam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sunitha Venkatachallam reassigns Medicare benefits to 3 organizations: Inova Health Care Services (Fairfax, VA), Fair Oaks Hospitalist Physicians, PLLC (Fairfax, VA) and Inova Physician Partners, LLC (Chantilly, VA). 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 Sunitha Venkatachallam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sunitha Venkatachallam accept?

Health plans from Oscar Health list Sunitha Venkatachallam 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 Sunitha Venkatachallam affiliated with any hospitals?

According to CMS data, Sunitha Venkatachallam is affiliated with Inova Fairfax Hospital and Inova Fair Oaks Hospital.

When was this NPI record last updated?

The NPPES record for Sunitha Venkatachallam was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.