DR. JOHN STEPHEN GERIG M.D.
NPI 1477550440
Internal Medicine - Nephrology in Concord, NC

NPI Status: Active since July 05, 2005

Contact Information

433 COPPERFIELD BLVD NE
CONCORD, NC
ZIP 28025
Phone: (704) 786-7770
Fax: (704) 788-9351

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  • Individual
  • Male
  • Internal Medicine
  • Nephrology
  • PECOS Enrolled

About JOHN GERIG

This page provides the complete NPI Profile along with additional information for John Gerig, an internist established in Concord, North Carolina with a medical specialization in Internal Medicine, focusing in nephrology . The healthcare provider is registered in the NPI registry with number 1477550440 assigned on July 2005. The practitioner's primary taxonomy code is 207RN0300X with license number 9800544 (NC). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI
1477550440
Provider Name
DR. JOHN STEPHEN GERIG M.D.
Gender
Male
Entity Type
Individual
Location Address
433 COPPERFIELD BLVD NE CONCORD, NC 28025
Location Phone
(704) 786-7770
Location Fax
(704) 788-9351
Mailing Address
PO BOX 37938 CHARLOTTE, NC 28237
Mailing Phone
(704) 332-0396
Mailing Fax
(704) 788-9351
Is Sole Proprietor?
No
Enumeration Date
07-05-2005
Last Update Date
07-06-2023
Code Navigator

An internist like John Gerig 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 Nephrology

Taxonomy Code
207RN0300X
Type
Allopathic & Osteopathic Physicians
License No.
9800544
License State
NC
Taxonomy Description
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

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.

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
78975OTHER (01)NCMEDCOST PROVIDER
891145JMEDICAID (05)NC 
1145JOTHER (01)NCBCBS
23992OTHER (01)NCPARTNERS MEDICARE
390006558OTHER (01)NCRR MCARE

Medicare Participation & PECOS Enrollment Status

John Gerig 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

  • 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.

Unknown

  • Treatment-Treatment - Miscellaneous (RX029N)

    Tacrolimus, immediate release, oral, 1 mg (HCPCS:J7507)

    2 DME suppliers used 13 Medicare Claims 900 Services Paid

  • Treatment-Treatment - Miscellaneous (RX029N)

    Mycophenolic acid, oral, 180 mg (HCPCS:J7518)

    1 DME suppliers used 19 Medicare Claims 3300 Services Paid

  • Treatment-Chemotherapy (RH012N)

    Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period (HCPCS:Q0511)

    3 DME suppliers used 22 Medicare Claims 22 Services Paid

  • Treatment-Chemotherapy (RH012N)

    Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period (HCPCS:Q0512)

    3 DME suppliers used 17 Medicare Claims 17 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.

Complete blood cell count (red cells, white blood cell, platelets), automated test

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

This service was performed 59 times for 32 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

This service was performed 31 times for 23 patients

Creatinine level to test for kidney function or muscle injury

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

This service was performed 78 times for 48 patients

Dialysis services, 2-3 physician visits per month (20 years or older)

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

This service was performed 86 times for 38 patients

Dialysis services, 4 or more physician visits per month (20 years or older)

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

This service was performed 199 times for 51 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 54 times for 38 patients

Ferritin (blood protein) level

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

This service was performed 22 times for 14 patients

Follow-up hospital inpatient care per day, typically 25 minutes

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.

This service was performed 318 times for 119 patients

Follow-up hospital inpatient care per day, typically 35 minutes

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.

This service was performed 14 times for 12 patients

Hemodialysis procedure with physician evaluation

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

This service was performed 125 times for 69 patients

Home dialysis services per month (20 years or older)

Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.

This service was performed 13 times for 13 patients

Initial hospital inpatient care per day, typically 30 minutes

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

This service was performed 29 times for 28 patients

Initial hospital inpatient care per day, typically 50 minutes

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

This service was performed 38 times for 37 patients

Initial hospital inpatient care per day, typically 70 minutes

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.

This service was performed 28 times for 28 patients

Insertion of needle into vein for collection of blood sample

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

This service was performed 83 times for 50 patients

Iron level

An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.

This service was performed 22 times for 14 patients

Kidney function blood test panel

A kidney function blood test panel checks how well your kidneys are working. It measures levels of various substances in your blood, including proteins, electrolytes, and waste products. The results can help detect potential kidney issues early.

This service was performed 97 times for 51 patients

Parathormone (parathyroid hormone) level

The Parathormone level test measures the amount of parathyroid hormone in your blood. This hormone controls calcium and phosphorus levels in the body, which are vital for bone health. Abnormal levels may indicate issues like kidney disease or parathyroid gland disorders.

This service was performed 50 times for 27 patients

Total protein level, urine

The Total Protein Level in urine test measures the amount of protein present in your urine. This helps to check kidney health as high levels may indicate a problem. It's a simple, non-invasive procedure involving a urine sample.

This service was performed 81 times for 49 patients

Transferrin (iron binding protein) level

A transferrin level test measures the amount of transferrin, a protein that carries iron, in your blood. This can help determine if your body has an iron deficiency or overload. It's a simple blood test and can provide valuable information about your overall health.

This service was performed 22 times for 14 patients

Vitamin d-3 level

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

This service was performed 33 times for 24 patients

Physician Visit Costs

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 28025 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $125.01
  • Minimum New Patient Price $54.12
  • Maximum New Patient Price $165.09
  • Average New Patient Copayment $31.25
  • Minimum New Patient Copayment $13.53
  • Maximum New Patient Copayment $41.27

Established Patients Visit Costs *

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

  • Average Established Patient Price $95.94
  • Minimum Established Patient Price $17.21
  • Maximum Established Patient Price $134.61
  • Average Established Patient Copayment $23.98
  • Minimum Established Patient Copayment $4.3
  • Maximum Established Patient Copayment $33.65

* 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 1477550440, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
4
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
5
Unchanged
Pos 7
0
Doubled → 0
Pos 8
4
Unchanged
Pos 9
4
Doubled → 8
Check
0
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 7 → 14 → 5 5 → 10 → 1 0 → 0 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 4 + 7 + 1 + 0 + 5 + 0 + 4 + 8 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1477550440.

Other Providers at the Same Location


The following 16 providers are registered at the same or a nearby location.

Nurse Practitioner
433 COPPERFIELD BLVD NE
CONCORD, NC 28025
Nurse Practitioner (Acute Care)
433 COPPERFIELD BLVD NE
CONCORD, NC 28025
Nurse Practitioner
433 COPPERFIELD BLVD NE
CONCORD, NC 28025
Internal Medicine (Nephrology)
433 COPPERFIELD BLVD NE
CONCORD, NC 28025
Internal Medicine (Nephrology)
433 COPPERFIELD BLVD NE
CONCORD, NC 28025
Internal Medicine (Nephrology)
433 COPPERFIELD BLVD NE
CONCORD, NC 28025
Internal Medicine (Nephrology)
433 COPPERFIELD BLVD NE
CONCORD, NC 28025
Nurse Practitioner
433 COPPERFIELD BLVD NE
CONCORD, NC 28025
Internal Medicine (Nephrology)
433 COPPERFIELD BLVD NE
CONCORD, NC 28025
Nurse Practitioner
433 COPPERFIELD BLVD NE
CONCORD, NC 28025
Nurse Practitioner (Primary Care)
433 COPPERFIELD BLVD NE
CONCORD, NC 28025
Physician Assistant
433 COPPERFIELD BLVD NE
CONCORD, NC 28025
Internal Medicine (Nephrology)
433 COPPERFIELD BLVD NE
CONCORD, NC 28025
Nurse Practitioner
433 COPPERFIELD BLVD NE
CONCORD, NC 28025
Nurse Practitioner
433 COPPERFIELD BLVD NE
CONCORD, NC 28025
Nurse Practitioner
433 COPPERFIELD BLVD NE
CONCORD, NC 28025

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1477550440, enumerated as an "individual" on July 05, 2005.

The provider is located at 433 COPPERFIELD BLVD NE CONCORD, NC 28025 and the phone number is (704) 786-7770.

Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.

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