MR. MARK MCNAMARA M.D.
NPI 1275640294
Internal Medicine - Hematology & Oncology in Pasadena, CA

NPI Status: Active since August 24, 2006

Contact Information

625 S FAIR OAKS AVE STE 400
PASADENA, CA
ZIP 91105
Phone: (626) 568-1622

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  • Individual
  • Male
  • Internal Medicine
  • Hematology & Oncology
  • PECOS Enrolled

About MARK MCNAMARA

This page provides the complete NPI Profile along with additional information for Mark Mcnamara, an internist established in Pasadena, California with a medical specialization in Internal Medicine, focusing in hematology & oncology . The healthcare provider is registered in the NPI registry with number 1275640294 assigned on August 2006. The practitioner's primary taxonomy code is 207RH0003X with license number G62456 (CA). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI
1275640294
Provider Name
MR. MARK MCNAMARA M.D.
Gender
Male
Entity Type
Individual
Location Address
625 S FAIR OAKS AVE STE 400 PASADENA, CA 91105
Location Phone
(626) 568-1622
Mailing Address
PO BOX 31309 LOS ANGELES, CA 90031
Mailing Phone
(626) 568-1622
Is Sole Proprietor?
No
Enumeration Date
08-24-2006
Last Update Date
11-27-2023
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An internist like Mark Mcnamara 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 Hematology & Oncology

Taxonomy Code
207RH0003X
Type
Allopathic & Osteopathic Physicians
License No.
G62456
License State
CA
Taxonomy Description
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

G62456 (CA)
2207RH0000XAllopathic & Osteopathic Physicians

Internal Medicine
Hematology

G62456 (CA)
3207RX0202XAllopathic & Osteopathic Physicians

Internal Medicine
Medical Oncology

G62456 (CA)

Medicare Participation & PECOS Enrollment Status

Mark Mcnamara 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

  • Other-Enteral and Parenteral (OB005N)

    Parenteral nutrition solution, not otherwise specified, 10 grams lipids (HCPCS:B4185)

    1 DME suppliers used 17 Medicare Claims 243 Services Paid

  • Other-Enteral and Parenteral (OB005N)

    Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, 74 to 100 grams of protein - premix (HCPCS:B4197)

    1 DME suppliers used 17 Medicare Claims 105 Services Paid

  • Other-Enteral and Parenteral (OB005N)

    Parenteral nutrition supply kit; premix, per day (HCPCS:B4220)

    1 DME suppliers used 13 Medicare Claims 81 Services Paid

  • Other-Enteral and Parenteral (OB005N)

    Parenteral nutrition administration kit, per day (HCPCS:B4224)

    1 DME suppliers used 16 Medicare Claims 100 Services Paid

  • Treatment-Treatment - Miscellaneous (RX029N)

    Capecitabine, oral, 500 mg (HCPCS:J8521)

    2 DME suppliers used 20 Medicare Claims 998 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)

    2 DME suppliers used 13 Medicare Claims 13 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, 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 854 times for 304 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 539 times for 233 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 40 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 96 times for 35 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 27 times for 11 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 40 times for 37 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

This service was performed 28 times for 19 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 91105 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $187.6
  • Minimum New Patient Price $62.96
  • Maximum New Patient Price $187.6
  • Average New Patient Copayment $46.9
  • 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 1275640294, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
2
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
5
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
4
Unchanged
Pos 7
0
Doubled → 0
Pos 8
2
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
4
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 6 → 12 → 3 0 → 0 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 4 + 5 + 1 + 2 + 4 + 0 + 2 + 1 + 8 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1275640294.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Internal Medicine (Hematology & Oncology)
625 S FAIR OAKS AVE STE 400
PASADENA, CA 91105
Nurse Practitioner (Adult Health)
625 S FAIR OAKS AVE STE 400
PASADENA, CA 91105
Internal Medicine (Hematology & Oncology)
625 S FAIR OAKS AVE STE 400
PASADENA, CA 91105
Internal Medicine (Rheumatology)
625 S FAIR OAKS AVE STE 400
PASADENA, CA 91105
Physician Assistant
625 S FAIR OAKS AVE STE 400
PASADENA, CA 91105
Nurse Practitioner (Adult Health)
625 S FAIR OAKS AVE STE 400
PASADENA, CA 91105

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275640294, enumerated as an "individual" on August 24, 2006.

The provider is located at 625 S FAIR OAKS AVE STE 400 PASADENA, CA 91105 and the phone number is (626) 568-1622.

Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.