DR. JOHN ARTHUR DONOVAN M.D.
NPI 1164451688
Internal Medicine - Transplant Hepatology in Los Angeles, CA

NPI Status: Active since June 30, 2006

Contact Information

1520 SAN PABLO ST
SUITE 1000
LOS ANGELES, CA
ZIP 90033
Phone: (323) 442-5100

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  • Individual
  • Male
  • Internal Medicine
  • Transplant Hepatology
  • PECOS Enrolled

About JOHN DONOVAN

This page provides the complete NPI Profile along with additional information for John Donovan, an internist established in Los Angeles, California with a medical specialization in Internal Medicine, focusing in transplant hepatology . The healthcare provider is registered in the NPI registry with number 1164451688 assigned on June 2006. The practitioner's primary taxonomy code is 207RT0003X with license number G55128 (CA). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1164451688
Provider Name
DR. JOHN ARTHUR DONOVAN M.D.
Gender
Male
Entity Type
Individual
Location Address
1520 SAN PABLO ST SUITE 1000 LOS ANGELES, CA 90033
Location Phone
(323) 442-5100
Mailing Address
PO BOX 31309 LOS ANGELES, CA 90031
Mailing Phone
(323) 442-5100
Is Sole Proprietor?
No
Enumeration Date
06-30-2006
Last Update Date
11-14-2020
Code Navigator

An internist like John Donovan 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 Transplant Hepatology

Taxonomy Code
207RT0003X
Type
Allopathic & Osteopathic Physicians
License No.
G55128
License State
CA
Taxonomy Description
An internist with special knowledge and the skill required of a gastroenterologist to care for patients prior to and following hepatic transplantation that spans all phases of liver transplantation. Selection of appropriate recipients requires assessment by a team having experience in evaluating the severity and prognosis of patients with liver disease.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207RG0100XAllopathic & Osteopathic Physicians

Internal Medicine
Gastroenterology

G55128 (CA)

Medicare Participation & PECOS Enrollment Status

John Donovan 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)

    8 DME suppliers used 90 Medicare Claims 4125 Services Paid

  • Treatment-Treatment - Miscellaneous (RX029N)

    Mycophenolate mofetil, oral, 250 mg (HCPCS:J7517)

    3 DME suppliers used 35 Medicare Claims 3660 Services Paid

  • Treatment-Treatment - Miscellaneous (RX029N)

    Sirolimus, oral, 1 mg (HCPCS:J7520)

    1 DME suppliers used 12 Medicare Claims 630 Services Paid

  • Treatment-Treatment - Miscellaneous (RX029N)

    Everolimus, oral, 0.25 mg (HCPCS:J7527)

    1 DME suppliers used 18 Medicare Claims 2340 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)

    7 DME suppliers used 85 Medicare Claims 85 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)

    8 DME suppliers used 84 Medicare Claims 85 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.

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 93 times for 67 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 59 times for 35 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 45 times for 13 patients

Measurement of liver stiffness

Measurement of liver stiffness is a non-invasive procedure that helps assess the health of your liver. It uses sound waves to detect the hardness of the liver tissue, which can indicate conditions like fibrosis or cirrhosis. It's a simple, painless test that provides valuable information about your liver's health.

This service was performed 13 times for 12 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 20 times for 20 patients

Reviews for DR. JOHN ARTHUR DONOVAN M.D.

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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 1164451688, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
1
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
4
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
8
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 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 2 + 4 + 8 + 5 + 2 + 6 + 1 + 6 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1164451688.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Radiology (Diagnostic Radiology)
1520 SAN PABLO ST, LOWER LEVEL, SUITE 1600
LOS ANGELES, CA 90033
Internal Medicine
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Internal Medicine
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Radiology (Body Imaging)
1520 SAN PABLO ST, LOWER LEVEL , SUITE 1600
LOS ANGELES, CA 90033
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Internal Medicine (Cardiovascular Disease)
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Internal Medicine (Cardiovascular Disease)
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Internal Medicine (Cardiovascular Disease)
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Radiology (Body Imaging)
1520 SAN PABLO ST, LOWER LEVEL , STE 1600
LOS ANGELES, CA 90033
Internal Medicine (Cardiovascular Disease)
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Nurse Anesthetist, Certified Registered
1520 SAN PABLO ST, USC UNIVERSITY HOSPITAL
LOS ANGELES, CA 90033
Radiology (Body Imaging)
1520 SAN PABLO ST
LOS ANGELES, CA 90033
Specialist
1520 SAN PABLO ST, SUITE 3000
LOS ANGELES, CA 90033
Psychiatry & Neurology (Neurology)
1520 SAN PABLO ST, SUITE 3000
LOS ANGELES, CA 90033
Radiology (Body Imaging)
1520 SAN PABLO ST, SUITE # 1600
LOS ANGELES, CA 90033
Radiology (Body Imaging)
1520 SAN PABLO ST, STE. 1600
LOS ANGELES, CA 90033
Radiology (Diagnostic Radiology)
1520 SAN PABLO ST, STE 1600
LOS ANGELES, CA 90033
Radiology (Body Imaging)
1520 SAN PABLO ST, LL, STE 1600
LOS ANGELES, CA 90033
Physical Medicine & Rehabilitation (Pain Medicine)
1520 SAN PABLO ST, SUITE 3450
LOS ANGELES, CA 90033
Psychiatry & Neurology (Psychiatry)
1520 SAN PABLO ST
LOS ANGELES, CA 90033

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164451688, enumerated as an "individual" on June 30, 2006.

The provider is located at 1520 SAN PABLO ST SUITE 1000 LOS ANGELES, CA 90033 and the phone number is (323) 442-5100.

Internal Medicine with taxonomy code 207RT0003X and a focus in Transplant Hepatology.