DR. DAVID S. HEMMER M.D.
NPI 1710984729
Specialist in St Charles, IL

NPI Status: Active since July 05, 2005

Contact Information

2210 DEAN ST STE L
ST CHARLES, IL
ZIP 60175
Phone: (630) 461-9833
Fax: (847) 741-8587

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  • Individual
  • Male
  • Years of Experience 52
  • Specialist
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About DAVID HEMMER

This page provides the complete NPI Profile along with additional information for David Hemmer, a provider established in St Charles, Illinois with a medical specialization in Specialist and more than 52 years of experience. He graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1974. The healthcare provider is registered in the NPI registry with number 1710984729 assigned on July 2005. The practitioner's primary taxonomy code is 174400000X with license number 036052972 (IL). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1710984729
Provider Name
DR. DAVID S. HEMMER M.D.
Gender
Male
Entity Type
Individual
Location Address
2210 DEAN ST STE L ST CHARLES, IL 60175
Location Phone
(630) 461-9833
Location Fax
(847) 741-8587
Mailing Address
2210 DEAN ST STE L ST CHARLES, IL 60175
Mailing Phone
(630) 461-9833
Mailing Fax
(847) 741-8587
Medical School Name
UNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduation Year
1974
Is Sole Proprietor?
No
Enumeration Date
07-05-2005
Last Update Date
12-14-2021
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
036052972
License State
IL
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
036052972MEDICAID (05)IL 

Medicare Participation & PECOS Enrollment Status

David Hemmer is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

David Hemmer is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 648161802

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20071005000807

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Comprehensive hearing and speech recognition test

A comprehensive hearing and speech recognition test assesses your ability to hear and understand spoken words. It includes hearing tests to check for issues with sound perception and speech tests to evaluate your word recognition. It's a crucial step in identifying any hearing or speech problems.

This service was performed 17 times for 16 patients

Control of bleeding of nose using an endoscope

This is a procedure where an endoscope, a thin tube with a light and camera, is used to view inside your nose. This allows the doctor to locate the source of the bleeding and control it, often by cauterization or packing the nose.

This service was performed 29 times for 25 patients

Diagnostic exam of nasal passages using an endoscope

A diagnostic exam of nasal passages using an endoscope is a non-invasive procedure. A small, flexible tube with a light and camera at the end, called an endoscope, is inserted into the nose. This allows the doctor to view the nasal passages and sinuses, helping to identify any issues.

This service was performed 41 times for 40 patients

Diagnostic exam of voice box using a flexible endoscope

This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.

This service was performed 175 times for 166 patients

Established patient office or other outpatient visit, 20-29 minutes

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.

This service was performed 1,436 times for 894 patients

Established patient office or other outpatient visit, 30-39 minutes

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.

This service was performed 90 times for 81 patients

Incision of eardrum with insertion of eardrum tube under local or topical anesthesia

This procedure, known as a Myringotomy with Tube Insertion, involves making a small incision in the eardrum to drain fluid and relieve pressure. A tiny tube is then placed in the eardrum to prevent future fluid buildup. It's done under local or topical anesthesia.

This service was performed 16 times for 15 patients

Melanoma (skin cancer) excision

Melanoma excision is a procedure where a surgeon removes melanoma, a type of skin cancer, and some surrounding healthy tissue. Local anesthesia is applied to numb the area. The goal is to completely remove the cancer and prevent its spread. Healing time varies.

This service was performed for 1-10 patients

New patient office or other outpatient visit, 30-44 minutes

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.

This service was performed 582 times for 582 patients

Test to assess middle ear function

A test to assess middle ear function, also known as an impedance audiometry, helps evaluate how well your middle ear works. It measures the movement of your eardrum in response to changes in air pressure. This can help identify issues like fluid build-up, ear infections, or eardrum perforations.

This service was performed 12 times for 12 patients

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. David Hemmer is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
ADVOCATE SHERMAN HOSPITAL1425 NORTH RANDALL ROAD
ELGIN, IL 60123
(847) 742-9800Acute Care Hospitals
NORTHWESTERN MEDICINE MCHENRY4201 MEDICAL CENTER DRIVE
MCHENRY, IL 60050
(815) 344-5000Acute Care Hospitals
NORTHWESTERN MEDICINE DELNOR COMMUNITY HOSPITAL300 RANDALL RD
GENEVA, IL 60134
(630) 208-3000Acute Care Hospitals
LOYOLA UNIVERSITY MEDICAL CENTER2160 S 1ST AVENUE
MAYWOOD, IL 60153
(708) 216-9000Acute Care Hospitals

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1710984729, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
7
Unchanged
Pos 3
1
Doubled → 2
Pos 4
0
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
2
Doubled → 4
Check
9
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 1 → 2 9 → 18 → 9 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 7 + 2 + 0 + 1 + 8 + 8 + 8 + 7 + 4 + 24 = 71

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1710984729.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Audiologist-Hearing Aid Fitter
2210 DEAN ST STE L
ST CHARLES, IL 60175
Audiologist
2210 DEAN ST STE L
SAINT CHARLES, IL 60175

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1710984729, enumerated as an "individual" on July 05, 2005.

The provider is located at 2210 DEAN ST STE L ST CHARLES, IL 60175 and the phone number is (630) 461-9833.

Specialist with taxonomy code 174400000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.

David Hemmer is affiliated with: ADVOCATE SHERMAN HOSPITAL, NORTHWESTERN MEDICINE MCHENRY, NORTHWESTERN MEDICINE DELNOR COMMUNITY HOSPITAL and LOYOLA UNIVERSITY MEDICAL CENTER.