MR. BRUCE ABRAHAM GREENFIELD M.D.
NPI 1043224686
Internal Medicine - Nephrology in Los Angeles, CA
NPI Status: Active since July 28, 2006
Contact Information
1400 S GRAND AVE
SUITE 800
LOS ANGELES, CA
ZIP 90015
Phone: (213) 748-1414
Fax: (213) 749-4021
- Individual
- Male
- Years of Experience 46
- Internal Medicine
- Nephrology
- Accepts Medicare Approved Payment
- PECOS Enrolled
About BRUCE GREENFIELD
This page provides the complete NPI Profile along with additional information for Bruce Greenfield, an internist established in Los Angeles, California with a medical specialization in Internal Medicine, focusing in nephrology and more than 46 years of experience. He graduated from Albert Einstein College Of Medicine Of Yeshiva University in 1980. The healthcare provider is registered in the NPI registry with number 1043224686 assigned on July 2006. The practitioner's primary taxonomy code is 207RN0300X with license number G46615 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1043224686
- Provider Name
- MR. BRUCE ABRAHAM GREENFIELD M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1400 S GRAND AVE SUITE 800 LOS ANGELES, CA 90015
- Location Phone
- (213) 748-1414
- Location Fax
- (213) 749-4021
- Mailing Address
- 1400 S GRAND AVE SUITE 800 LOS ANGELES, CA 90015
- Mailing Phone
- (213) 748-1414
- Mailing Fax
- (213) 749-4021
- Medical School Name
- ALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
- Graduation Year
- 1980
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-28-2006
- Last Update Date
- 07-09-2007
- Code Navigator
An internist like Bruce Greenfield 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.
- G46615
- License State
- CA
- 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.
*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 |
|---|---|---|---|
| A92663 | MEDICARE UPIN (02) | CA | |
| 00G466150 | MEDICAID (05) | CA | |
| WG46615J | MEDICARE ID-TYPE UNSPECIFIED (04) |
Medicare Participation & PECOS Enrollment Status
Bruce Greenfield 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.
Bruce Greenfield 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: 9739098286
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: I20040401000853
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.
Unknown
Treatment-Chemotherapy (RH002N)
Tacrolimus, extended release, (envarsus xr), oral, 0.25 mg (HCPCS:J7503)
1 DME suppliers used 12 Medicare Claims 1440 Services Paid
Treatment-Treatment - Miscellaneous (RX029N)
Tacrolimus, immediate release, oral, 1 mg (HCPCS:J7507)
4 DME suppliers used 15 Medicare Claims 1648 Services Paid
Treatment-Treatment - Miscellaneous (RX029N)
Prednisone, immediate release or delayed release, oral, 1 mg (HCPCS:J7512)
5 DME suppliers used 40 Medicare Claims 4050 Services Paid
Treatment-Treatment - Miscellaneous (RX029N)
Mycophenolate mofetil, oral, 250 mg (HCPCS:J7517)
4 DME suppliers used 21 Medicare Claims 3208 Services Paid
Treatment-Treatment - Miscellaneous (RX029N)
Mycophenolic acid, oral, 180 mg (HCPCS:J7518)
1 DME suppliers used 17 Medicare Claims 2760 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)
5 DME suppliers used 34 Medicare Claims 34 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)
5 DME suppliers used 55 Medicare Claims 72 Services Paid
Durable Medical Equipment
DME-Wheelchairs (DD000N)
Standard wheelchair (HCPCS:K0001)
1 DME suppliers used 11 Medicare Claims 12 Services Paid
DME-Wheelchairs (DD021N)
Elevating leg rests, pair (for use with capped rental wheelchair base) (HCPCS:K0195)
1 DME suppliers used 14 Medicare Claims 15 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.
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
Critical care, first 30-74 minutes
Dialysis services, 1 physician visit per month (20 years or older)
Dialysis services, 2-3 physician visits per month (20 years or older)
Dialysis services, 4 or more physician visits per month (20 years or older)
Established patient office or other outpatient visit, 20-29 minutes
Established patient office or other outpatient visit, 30-39 minutes
Extended inpatient or observation hospital service, first hour
Follow-up hospital inpatient care per day, typically 35 minutes
Hemodialysis procedure with physician evaluation
Initial hospital inpatient care per day, typically 70 minutes
Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes
New patient office or other outpatient visit, 45-59 minutes
Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days
Telephone or internet assessment with written report by consulting physician, 5 minutes or more
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
This service was performed 22 times for 22 patientsCritical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
This service was performed 87 times for 39 patientsDialysis 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. A physician visit once a month ensures your treatment is working effectively and adjusts it if necessary. This service is available for individuals aged 20 years and older.
This service was performed 18 times for 16 patientsDialysis 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 122 times for 77 patientsDialysis 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 829 times for 118 patientsThis 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 145 times for 107 patientsThis 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 279 times for 156 patientsThis service involves staying in the hospital for a longer period for close monitoring or treatment. During the first hour, medical staff observe your health status, administer necessary treatments, and ensure your comfort and safety. It's part of ensuring optimal care.
This service was performed 649 times for 198 patientsFollow-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 545 times for 173 patientsHemodialysis 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 25 times for 18 patientsInitial 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 109 times for 98 patientsThis service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.
This service was performed 37 times for 15 patientsThis service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.
This service was performed 62 times for 18 patientsThis 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.
This service was performed 29 times for 29 patientsRemote monitoring of physiologic parameters involves using special equipment to track vital signs like heart rate and blood pressure from a distance. The initial set-up includes installing the device and teaching the patient how to use it correctly for accurate readings.
This service was performed 17 times for 17 patientsThis service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.
This service was performed 60 times for 14 patientsThis service involves a consulting physician assessing your health condition via a phone or internet interaction. The doctor will spend at least 5 minutes discussing your health concerns. Afterwards, a written report summarizing the findings and recommendations will be provided for your reference.
This service was performed 44 times for 40 patientsPhysician Visit Costs
The typical physician office visit costs for Medicare beneficiaries in this area are: $35.59 for a new patient copayment and $27.49 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 90015 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99204
- Average New Patient Price $142.39
- Minimum New Patient Price $62.96
- Maximum New Patient Price $187.6
- Average New Patient Copayment $35.59
- Minimum New Patient Copayment $15.74
- Maximum New Patient Copayment $46.9
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99214
- Average Established Patient Price $109.96
- Minimum Established Patient Price $20.84
- Maximum Established Patient Price $153.61
- Average Established Patient Copayment $27.49
- Minimum Established Patient Copayment $5.21
- Maximum Established Patient Copayment $38.4
* 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 1043224686, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 64 is 70. The difference is the calculated check digit.
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LOS ANGELES, CA 90015
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Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1043224686, enumerated as an "individual" on July 28, 2006.
The provider is located at 1400 S GRAND AVE SUITE 800 LOS ANGELES, CA 90015 and the phone number is (213) 748-1414.
Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.