SARA R GREENHILL M.D.
NPI 1427016948
Internal Medicine - Pulmonary Disease in Elk Grove Village, IL

Q: What is Sara Greenhill's NPI number?

The NPI number for Sara Greenhill is 1427016948. It was assigned to this individual provider in the NPPES registry on May 3, 2006.

Q: What is Sara Greenhill's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sara Greenhill was last updated on April 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since May 03, 2006PECOS EnrolledAccepts Medicare Assignment

94.1/100

CMS Quality Rating

800 BIESTERFIELD RD, SUITE 510, ELK GROVE VILLAGE, IL 60007(847) 981-3660(847) 956-5108 Get Directions Write a Review

NPPES record last updated: April 5, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Sara R Greenhill M.d. NPPES

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

SARA R GREENHILL M.D. (NPI 1427016948) is an individual pulmonary disease provider in Elk Grove Village, Illinois, licensed in Illinois (036120342) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and is a graduate of University Of Pittsburgh School Of Medicine (2002).

NPPES Registry Identity

NPI1427016948

Entity TypeIndividualFemale

Primary Taxonomy207RP1001X

Provider Legal NameSARA R GREENHILLCredential: M.D.

Location Address800 BIESTERFIELD RD, SUITE 510Elk Grove Village, IL 60007-3361

Mailing Address800 Biesterfield Rd, Suite 510Elk Grove Village, IL 60007-3361 · (847) 981-3660 · Fax (847) 956-5108

Phone(847) 981-3660

Fax(847) 956-5108

Sole ProprietorNo

Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 2002

Enumeration DateMay 3, 2006

Last NPPES UpdateApril 5, 2021

NPPES CertifiedApril 5, 2021

✔ NPI 1427016948 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in IL · 036120342

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 Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 036120342 (IL)

800 BIESTERFIELD RD, Elk Grove Village, IL 60007

Open in Google Maps ↗

Other Identifiers 2

Other1617373IL · Bcbs Of Il

Medicaid036120342IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.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

Sara R Greenhill 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 ID2567476906

PECOS Enrollment IDI20080703000248

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 Reassignment

Medicare enrollment records show Sara Greenhill reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Central Dupage Physician Group

12 mi

Family Medicine

5777 DEPARTMENT
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
1,664 clinicians in this Medicare group

NPI 1033149844 (630) 933-3300

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 17

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.

290 services203 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.

202 services135 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.

135 services135 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

75 services61 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.

75 services38 patients

Biopsy of lobe of lung using an endoscope, 1 lobe 31628

A lung biopsy is a procedure where a small piece of lung tissue is taken for testing. An endoscope, a flexible tube with a light and camera, is used. It's inserted through the mouth or nose, down the windpipe, and into one lobe of the lung.

64 services60 patients

Exam of lung airways and sampling of lymph nodes using an endoscope and ultrasound guidance, 1-2 lymph nodes 31652

This procedure involves a special tube with a camera (endoscope) entering your lung airways. Guided by ultrasound, it collects samples from 1-2 lymph nodes. This helps doctors understand and diagnose potential issues in your lungs.

61 services60 patients

Exam of lung airways with diagnostic or therapeutic procedure on growths using an endoscope and ultrasound 31654

This procedure involves using a specialized instrument, called an endoscope, to examine the lung airways. An ultrasound is also used to get a clearer image of any growths. If necessary, the doctor can perform procedures to diagnose or treat these growths.

61 services55 patients

Computer-assisted image-guided navigation of lung airways using an endoscope 31627

This procedure involves the use of a special camera, called an endoscope, and computer technology to create real-time images of your lung airways. This helps doctors navigate through your lungs accurately, aiding in diagnosis or treatment.

60 services53 patients

Needle biopsy of windpipe cartilage, airway, and/or lung using an endoscope 31629

A needle biopsy of windpipe cartilage, airway, or lung involves using a thin, flexible tube with a camera (endoscope) to access and collect tissue samples. This procedure helps doctors diagnose lung conditions or diseases effectively and safely.

55 services51 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.

38 services28 patients

Exam of lung airways and sampling of lymph nodes using an endoscope and ultrasound guidance, 3 or more lymph nodes 31653

This procedure involves using a special scope and ultrasound to examine your lung airways and sample tissue from 3 or more lymph nodes. It aids in diagnosing lung conditions and checking lymph node health.

21 services21 patients

Destruction of growth or narrowing of lung airway using an endoscope 31641

This procedure involves using a special tool called an endoscope to treat abnormal growths or narrowing in the lung airway. The endoscope, inserted through the mouth, allows the doctor to visualize and treat the affected area without making large incisions.

18 services14 patients

Aspiration of initial secretion of lung airway using an endoscope 31645

This procedure involves using a thin, flexible tube called an endoscope to collect initial secretions from your lung airway. This helps doctors diagnose and treat respiratory conditions. It's a safe, minimally invasive procedure.

17 services14 patients

Biopsy of lung airway using an endoscope 31625

A biopsy of the lung airway using an endoscope is a procedure where a small, flexible tube with a light and camera is inserted through your mouth or nose to reach your lungs. A tiny tool on the endoscope collects a small tissue sample for examination.

11 services11 patients

Insertion of indwelling tube for drainage of lung fluid 32550

This procedure involves placing a tube into your chest to drain excess fluid from around your lung. This fluid can cause discomfort and breathing difficulties. The tube remains in place until all the fluid is removed, helping you breathe easier.

11 services11 patients

Review by radiologist of image for drainage of fluid 75989

This procedure involves a radiologist examining images, such as X-rays or scans, to identify areas where fluid has built up in the body. The radiologist then determines the best method to safely drain the excess fluid. This helps alleviate discomfort and promotes healing.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Palos Community Hospital

Acute Care Hospitals · Palos Heights, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140062

Location12251 South 80th AvenuePalos Heights, IL 60463 · Cook 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 Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60007 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

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

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 12

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

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

2 suppliers16 claims31 services$1.30 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

5 suppliers41 claims41 services$13.14 avg. paid by Medicare

Home ventilator, any type, used with invasive interface, (e.g., tracheostomy tube) E0465

DME-Other DME · category DE005N

1 supplier12 claims12 services$907.03 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

5 suppliers130 claims130 services$3.22 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

7 suppliers86 claims86 services$56.87 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

3 suppliers26 claims26 services$30.06 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.

NATIONAL PAIN CENTERS, LLC

Non-Pharmacy Dispensing Site

800 BIESTERFIELD RD, SUITE 302
ELK GROVE VILLAGE, IL 60007

Cook County (847) 701-3250

ALLISON CLAIRE VAN STAALDUINEN

Physician Assistant

800 BIESTERFIELD RD
ELK GROVE VILLAGE, IL 60007

Cook County (224) 273-3152

GRABOWSKI SURGICAL ASSOCIATES SC

Surgery

800 BIESTERFIELD RD, SUITE 3004
ELK GROVE VILLAGE, IL 60007

Cook County (847) 439-7515

NORTHWEST SUBURBAN UROLOGY ASSOCIATES SC

Urology

800 BIESTERFIELD RD, SUITE 303
ELK GROVE VILLAGE, IL 60007

Cook County (847) 593-0404

JAMIE ELIZABETH BASTEN FNP-BC

Nurse Practitioner (Family)

800 BIESTERFIELD RD
ELK GROVE VILLAGE, IL 60007

Cook County (224) 299-4222

HEALTH & WELLNESS P C

Internal Medicine

800 BIESTERFIELD RD, SUITE 2007
ELK GROVE VILLAGE, IL 60007

Cook County (847) 593-2007

DR. BHUPINDER K CHHABRA M.D.

Internal Medicine (Geriatric Medicine)

800 BIESTERFIELD RD, SUITE 3007
ELK GROVE VILLAGE, IL 60007

Cook County (847) 290-6513

BASSEM GHALY M.D.

Anesthesiology

800 BIESTERFIELD RD, DEPARTMENT OF ANESTHESIA, ABMC
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3597

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 Sara Greenhill's NPI number?

The NPI number for Sara Greenhill is 1427016948. It was assigned to this individual provider in the NPPES registry on May 3, 2006.

Where is Sara Greenhill located?

Sara Greenhill practices at 800 Biesterfield Rd Suite 510, Elk Grove Village, IL 60007. The listed phone number is (847) 981-3660.

What is Sara Greenhill's specialty?

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

Is Sara Greenhill enrolled in Medicare?

Yes. Sara Greenhill 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 organization bills Medicare for Sara Greenhill's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sara Greenhill reassigns Medicare benefits to Central Dupage Physician Group (Carol Stream, IL). The 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 Sara Greenhill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sara Greenhill accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Sara Greenhill 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 Sara Greenhill affiliated with any hospitals?

According to CMS data, Sara Greenhill is affiliated with Palos Community Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Sara Greenhill was last updated on April 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.