ALEXANDER A STEMER MD
NPI 1861451429
Internal Medicine - Infectious Disease in Munster, IN

NPI Status: Active since March 22, 2006

Contact Information

10110 DON S POWERS DRIVE
STE 101D
MUNSTER, IN
ZIP 46321
Phone: (219) 922-3002
Fax: (219) 922-3003

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  • Individual
  • Male
  • Years of Experience 53
  • Internal Medicine
  • Infectious Disease
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About ALEXANDER STEMER

This page provides the complete NPI Profile along with additional information for Alexander Stemer, an internist established in Munster, Indiana with a medical specialization in Internal Medicine, focusing in infectious disease and more than 53 years of experience. The healthcare provider is registered in the NPI registry with number 1861451429 assigned on March 2006. The practitioner's primary taxonomy code is 207RI0200X with license number 01025591 (IN). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1861451429
Provider Name
ALEXANDER A STEMER MD
Gender
Male
Entity Type
Individual
Location Address
10110 DON S POWERS DRIVE STE 101D MUNSTER, IN 46321
Location Phone
(219) 922-3002
Location Fax
(219) 922-3003
Mailing Address
10110 DON S POWERS DR SUITE 101D MUNSTER, IN 46321
Mailing Phone
(219) 301-7264
Mailing Fax
(219) 922-3003
Medical School Name
OTHER
Graduation Year
1973
Is Sole Proprietor?
No
Enumeration Date
03-22-2006
Last Update Date
04-14-2021
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An internist like Alexander Stemer is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

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

Internal Medicine Infectious Disease

Taxonomy Code
207RI0200X
Type
Allopathic & Osteopathic Physicians
License No.
01025591
License State
IN
Taxonomy Description
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Insurance Plans Accepted

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

  • Choice Bronze HSA - HMO
  • Choice Bronze HSA + Vision + Adult Dental - HMO
  • Clear Gold - HMO
  • Clear Gold + Vision + Adult Dental - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Complete Silver - HMO
  • Complete Silver + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Clear Silver - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Everyday Gold - HMO
  • Everyday Gold + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Focused Silver - HMO
  • Focused Silver + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Bronze 7500 $25 Generic Drugs - HMO
  • Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness - HMO
  • Diabetes Gold 3000 $0 Chronic Care Drugs & Services - HMO
  • Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Diabetes Silver 5000 $0 Chronic Care Drugs & Services - HMO
  • Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Gold 2000 $15 Generic Drugs - HMO
  • Gold 2000 $15 Generic Drugs + Adult Vision & Fitness - HMO
  • HDHP Preventive Silver 5500 $0 Chronic Care Drugs - HMO
  • Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services - HMO
  • Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services - HMO
  • Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • HSA Eligible Bronze 6000 - HMO
  • Low Premium Bronze 10600 $25 Generic Drugs - HMO
  • Low Premium Bronze 10600 $25 Generic Drugs + Adult Vision & Fitness - HMO
  • Low Premium Silver 6200 $3 Generic Drugs - HMO
  • Low Premium Silver 6200 $3 Generic Drugs + Adult Vision & Fitness - HMO
  • Platinum Zero $5 Generic Drugs - HMO
  • Platinum Zero $5 Generic Drugs + Adult Vision & Fitness - HMO

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

Medicare Participation & PECOS Enrollment Status

Alexander Stemer 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.

Alexander Stemer 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: 2567357809

    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: I20100311000974

    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

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Other DME (DE000N)

    Walker, folding, wheeled, adjustable or fixed height (HCPCS:E0143)

    6 DME suppliers used 38 Medicare Claims 38 Services Paid

  • DME-Other DME (DE000N)

    Seat attachment, walker (HCPCS:E0156)

    4 DME suppliers used 14 Medicare Claims 14 Services Paid

  • DME-Other DME (DE000N)

    Commode chair, mobile or stationary, with fixed arms (HCPCS:E0163)

    5 DME suppliers used 28 Medicare Claims 28 Services Paid

  • DME-Other DME (DE000N)

    Commode chair, mobile or stationary, with detachable arms (HCPCS:E0165)

    2 DME suppliers used 21 Medicare Claims 21 Services Paid

  • DME-Other DME (DE000N)

    Dry pressure mattress (HCPCS:E0184)

    1 DME suppliers used 11 Medicare Claims 11 Services Paid

  • DME-Other DME (DE000N)

    Gel or gel-like pressure pad for mattress, standard mattress length and width (HCPCS:E0185)

    2 DME suppliers used 15 Medicare Claims 15 Services Paid

  • DME-Hospital Beds (DB000N)

    Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress (HCPCS:E0260)

    4 DME suppliers used 108 Medicare Claims 108 Services Paid

  • DME-Hospital Beds (DB000N)

    Hospital bed, semi-electric (head and foot adjustment), with any type side rails, without mattress (HCPCS:E0261)

    5 DME suppliers used 64 Medicare Claims 65 Services Paid

  • DME-Hospital Beds (DB000N)

    Hospital bed, semi-electric (head and foot adjustment), without side rails, with mattress (HCPCS:E0294)

    1 DME suppliers used 44 Medicare Claims 44 Services Paid

  • DME-Oxygen and Supplies (DC000N)

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

    6 DME suppliers used 84 Medicare Claims 85 Services Paid

  • DME-Other DME (DE005N)

    Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) (HCPCS:E0466)

    3 DME suppliers used 18 Medicare Claims 18 Services Paid

  • DME-Other DME (DE000N)

    Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) (HCPCS:E0630)

    6 DME suppliers used 57 Medicare Claims 58 Services Paid

  • DME-Hospital Beds (DB000N)

    Trapeze bar, heavy duty, for patient weight capacity greater than 250 pounds, free standing, complete with grab bar (HCPCS:E0912)

    2 DME suppliers used 13 Medicare Claims 13 Services Paid

  • DME-Wheelchairs (DD000N)

    Heel loop/holder, any type, with or without ankle strap, each (HCPCS:E0951)

    2 DME suppliers used 21 Medicare Claims 42 Services Paid

  • DME-Wheelchairs (DD021N)

    Manual wheelchair accessory, wheel lock brake extension (handle), each (HCPCS:E0961)

    2 DME suppliers used 22 Medicare Claims 44 Services Paid

  • DME-Wheelchairs (DD021N)

    Manual wheelchair accessory, anti-tipping device, each (HCPCS:E0971)

    3 DME suppliers used 22 Medicare Claims 44 Services Paid

  • DME-Wheelchairs (DD021N)

    Wheelchair accessory, adjustable height, detachable armrest, complete assembly, each (HCPCS:E0973)

    3 DME suppliers used 19 Medicare Claims 36 Services Paid

  • DME-Other DME (DE000N)

    Transport chair, adult size, patient weight capacity up to and including 300 pounds (HCPCS:E1038)

    2 DME suppliers used 14 Medicare Claims 14 Services Paid

  • DME-Wheelchairs (DD021N)

    Wheelchair accessory, manual fully reclining back, (recline greater than 80 degrees), each (HCPCS:E1226)

    3 DME suppliers used 19 Medicare Claims 19 Services Paid

  • DME-Oxygen and Supplies (DC002N)

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

    7 DME suppliers used 103 Medicare Claims 104 Services Paid

  • DME-Wheelchairs (DD021N)

    Manual wheelchair accessory, nonstandard seat frame, width greater than or equal to 20 inches and less than 24 inches (HCPCS:E2201)

    1 DME suppliers used 41 Medicare Claims 41 Services Paid

  • DME-Wheelchairs (DD021N)

    General use wheelchair seat cushion, width less than 22 inches, any depth (HCPCS:E2601)

    7 DME suppliers used 48 Medicare Claims 48 Services Paid

  • DME-Wheelchairs (DD021N)

    General use wheelchair back cushion, width less than 22 inches, any height, including any type mounting hardware (HCPCS:E2611)

    7 DME suppliers used 12 Medicare Claims 12 Services Paid

  • DME-Wheelchairs (DD000N)

    Standard wheelchair (HCPCS:K0001)

    7 DME suppliers used 253 Medicare Claims 254 Services Paid

  • DME-Wheelchairs (DD000N)

    Lightweight wheelchair (HCPCS:K0003)

    8 DME suppliers used 151 Medicare Claims 151 Services Paid

  • DME-Wheelchairs (DD000N)

    Heavy duty wheelchair (HCPCS:K0006)

    3 DME suppliers used 36 Medicare Claims 36 Services Paid

  • DME-Wheelchairs (DD000N)

    Extra heavy duty wheelchair (HCPCS:K0007)

    2 DME suppliers used 12 Medicare Claims 12 Services Paid

  • DME-Wheelchairs (DD021N)

    Elevating leg rests, pair (for use with capped rental wheelchair base) (HCPCS:K0195)

    7 DME suppliers used 48 Medicare Claims 48 Services Paid

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.

Follow-up nursing facility visit per day, typically 25 minutes

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

This service was performed 18 times for 18 patients

Follow-up nursing facility visit per day, typically 35 minutes

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

This service was performed 108 times for 96 patients

Initial nursing facility visit per day, typically 35 minutes

An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.

This service was performed 27 times for 27 patients

Initial nursing facility visit per day, typically 45 minutes

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

This service was performed 381 times for 371 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

This service was performed 78 times for 74 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $30.62 for a new patient copayment and $23.55 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 46321 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $122.49
  • Minimum New Patient Price $53.07
  • Maximum New Patient Price $161.76
  • Average New Patient Copayment $30.62
  • Minimum New Patient Copayment $13.26
  • Maximum New Patient Copayment $40.44

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $94.22
  • Minimum Established Patient Price $16.93
  • Maximum Established Patient Price $132.22
  • Average Established Patient Copayment $23.55
  • Minimum Established Patient Copayment $4.23
  • Maximum Established Patient Copayment $33.05

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

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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 1861451429, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
1
Doubled → 2
Pos 8
4
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 6 → 12 → 3 4 → 8 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 8 + 5 + 2 + 4 + 4 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1861451429.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861451429, enumerated as an "individual" on March 22, 2006.

The provider is located at 10110 DON S POWERS DRIVE STE 101D MUNSTER, IN 46321 and the phone number is (219) 922-3002.

Internal Medicine with taxonomy code 207RI0200X and a focus in Infectious Disease.

The provider might be accepting Accepts: Ambetter from Buckeye Health Plan, Ambetter from. Please consult your insurance carrier or call the provider to verify.