KARTHIK SUBBU M.D.
NPI 1760974950
Internal Medicine - Endocrinology, Diabetes & Metabolism in Geneva, IL

Q: What is Karthik Subbu's NPI number?

The NPI number for Karthik Subbu is 1760974950. It was assigned to this individual provider in the NPPES registry on June 4, 2018.

Q: What is Karthik Subbu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Karthik Subbu was last updated on December 20, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 04, 2018PECOS EnrolledAccepts Medicare Assignment

94.1/100

CMS Quality Rating

302 RANDALL RD STE 304, GENEVA, IL 60134(630) 208-6775(630) 208-7937 Get Directions Write a Review

NPPES record last updated: December 20, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Karthik Subbu M.d. NPPES

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

KARTHIK SUBBU M.D. (NPI 1760974950) is an individual endocrinology, diabetes & metabolism provider in Geneva, Illinois, licensed in Illinois (036164909) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1760974950

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameKARTHIK SUBBUCredential: M.D.

Location Address302 RANDALL RD STE 304Geneva, IL 60134-4205

Mailing Address302 Randall Rd Ste 304Geneva, IL 60134-4205 · (630) 208-6775 · Fax (630) 208-7937

Phone(630) 208-6775

Fax(630) 208-7937

Sole ProprietorNo

Medical School CMSEastern Virginia Medical SchoolGraduated 2018

Enumeration DateJune 4, 2018

Last NPPES UpdateDecember 20, 2023

NPPES CertifiedDecember 20, 2023

✔ NPI 1760974950 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in IL · 036164909

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 11019958A (IN)

302 RANDALL RD STE 304, Geneva, IL 60134

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Secondary Practice Locations 2

Location 11120 W Michigan StIndianapolis, IN 46202-5209 · Phone (317) 278-2694 · Fax (317) 278-2650

Location 2100 Eastowne DrChapel Hill, NC 27514-2286 · Phone (984) 974-2950

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

Karthik Subbu 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 ID6305191354

PECOS Enrollment IDI20230817003191

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.

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.

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

1,620 services19 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.

275 services152 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.

164 services97 patients

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251

This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.

155 services67 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

95 services95 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.

80 services59 patients

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.

32 services31 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

30 services13 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

28 services20 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.

19 services19 patients

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with provider supplied equipment 95250

This process involves a tiny sensor placed under your skin that checks your blood sugar levels in tissue fluid regularly. The sensor sends these readings to a device, allowing you to track your levels in real-time. This is provided by your healthcare provider.

17 services15 patients

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin 95249

Continuous monitoring of blood sugar involves a small sensor inserted under the skin. This sensor measures glucose levels in tissue fluid throughout the day and night, providing real-time readings. It aids in managing diabetes effectively.

16 services13 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

14 services14 patients

Hospital Affiliations CMS Care Compare 5

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

Northwestern Medicine Mchenry

Acute Care Hospitals · Mchenry, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140116

Location4201 Medical Center DriveMchenry, IL 60050 · Mc Henry County

Emergency services Birthing friendly

Northwestern Medicine Delnor Community Hospital

Acute Care Hospitals · Geneva, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140211

Location300 Randall RdGeneva, IL 60134 · Kane County

Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140242

Location25 North Winfield RoadWinfield, IL 60190 · Du Page County

Emergency services Birthing friendly

Northwestern Medicine Kishwaukee Hospital

Acute Care Hospitals · Dekalb, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140286

LocationOne Kish Hospital DriveDekalb, IL 60115 · De Kalb County

Emergency services Birthing friendly

Valley West Community Hospital

Critical Access Hospitals · Sandwich, IL

OwnershipVoluntary non-profit - Private

CMS Certification Number141340

Location1301 North Main StreetSandwich, IL 60548 · De Kalb County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60134 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

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

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.

94.1/100

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

Scored through an Alternative Payment Model

Quality

82.59

Promoting Interoperability

100

Improvement Activities

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.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

1 supplier11 claims12 services$183.75 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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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 Karthik Subbu's NPI number?

The NPI number for Karthik Subbu is 1760974950. It was assigned to this individual provider in the NPPES registry on June 4, 2018.

Where is Karthik Subbu located?

Karthik Subbu practices at 302 Randall Rd Ste 304, Geneva, IL 60134. The listed phone number is (630) 208-6775.

What is Karthik Subbu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Karthik Subbu enrolled in Medicare?

Yes. Karthik Subbu 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.

Is Karthik Subbu affiliated with any hospitals?

According to CMS data, Karthik Subbu is affiliated with Northwestern Medicine Mchenry, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Central Dupage Hospital, Northwestern Medicine Kishwaukee Hospital and Valley West Community Hospital.

When was this NPI record last updated?

The NPPES record for Karthik Subbu was last updated on December 20, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.