DR. MARK EVANS FLEMING DO
NPI 1881638583
Orthopaedic Surgery - Orthopaedic Trauma in Los Angeles, CA

NPI Status: Active since June 15, 2006

Contact Information

1200 N STATE ST
LOS ANGELES, CA
ZIP 90089
Phone: (301) 956-0583

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  • Individual
  • Male
  • Orthopaedic Surgery
  • Orthopaedic Trauma
  • PECOS Enrolled

About MARK FLEMING

This page provides the complete NPI Profile along with additional information for Mark Fleming, a provider established in Los Angeles, California with a medical specialization in Orthopaedic Surgery, focusing in orthopaedic trauma . The healthcare provider is registered in the NPI registry with number 1881638583 assigned on June 2006. The practitioner's primary taxonomy code is 207XX0801X with license number 14334 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1881638583
Provider Name
DR. MARK EVANS FLEMING DO
Gender
Male
Entity Type
Individual
Location Address
1200 N STATE ST LOS ANGELES, CA 90089
Location Phone
(301) 956-0583
Mailing Address
225 S GRAND AVE APT 1801 LOS ANGELES, CA 90012
Mailing Phone
(301) 956-0583
Is Sole Proprietor?
No
Enumeration Date
06-15-2006
Last Update Date
09-12-2025
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Location Map

Secondary Locations

  • 18523 Corwin Rd Ste A
    Apple Valley, CA 92307
    (909) 712-2764

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

Orthopaedic Surgery Orthopaedic Trauma

Taxonomy Code
207XX0801X
Type
Allopathic & Osteopathic Physicians
License No.
14334
License State
CA
Taxonomy Description
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic trauma surgeons deal with the evaluation and management of acute orthopaedic injuries, evaluation and treatment of post-traumatic deformities and nonunions, acute and delayed reconstruction of pelvic and acetabular fractures, as well as osteotomy in the adult hip for treatment of hip arthritis.

Medicare Participation & PECOS Enrollment Status

Mark Fleming 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

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, 10-19 minutes

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

This service was performed 112 times for 67 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 11 times for 11 patients

Follow-up hospital inpatient care per day, typically 15 minutes

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

This service was performed 29 times for 29 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 46 times for 44 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 17 times for 17 patients

Treatment of broken neck of thigh bone with bone implant

This procedure involves repairing a fractured thigh bone by inserting a bone implant. The implant helps stabilize the bone, allowing it to heal correctly. It's performed under anesthesia and requires a hospital stay for recovery.

This service was performed 20 times for 20 patients

Reviews for DR. MARK EVANS FLEMING DO

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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 1881638583, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 1 + 2 + 3 + 1 + 6 + 5 + 1 + 6 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1881638583.

Other Providers at the Same Location


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

Nurse Practitioner (Pediatrics)
1200 N STATE ST, IRD 116
LOS ANGELES, CA 90089
Registered Nurse
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089
Registered Nurse
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1200 N STATE ST
LOS ANGELES, CA 90089

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881638583, enumerated as an "individual" on June 15, 2006.

The provider is located at 1200 N STATE ST LOS ANGELES, CA 90089 and the phone number is (301) 956-0583.

Orthopaedic Surgery with taxonomy code 207XX0801X and a focus in Orthopaedic Trauma.