DR. MAKARDHWAJ SARVADAMAN SHRIVASTAVA MBBS
NPI 1871844258
Internal Medicine - Hematology & Oncology in Phoenix, AZ

NPI Status: Active since September 26, 2012

Contact Information

625 N 6TH ST
PHOENIX, AZ
ZIP 85004
Phone: (602) 406-8222
Fax: (602) 406-7811

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  • Individual
  • Male
  • Years of Experience 21
  • Internal Medicine
  • Hematology & Oncology
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About MAKARDHWAJ SHRIVASTAVA

This page provides the complete NPI Profile along with additional information for Makardhwaj Shrivastava, an internist established in Phoenix, Arizona with a medical specialization in Internal Medicine, focusing in hematology & oncology and more than 21 years of experience. The healthcare provider is registered in the NPI registry with number 1871844258 assigned on September 2012. The practitioner's primary taxonomy code is 207RH0003X with license number 56370 (AZ). The provider is registered as an individual and his NPI record was last updated June 2026.

NPI
1871844258
Provider Name
DR. MAKARDHWAJ SARVADAMAN SHRIVASTAVA MBBS
Gender
Male
Entity Type
Individual
Location Address
625 N 6TH ST PHOENIX, AZ 85004
Location Phone
(602) 406-8222
Location Fax
(602) 406-7811
Mailing Address
PO BOX 33269 PHOENIX, AZ 85067
Mailing Phone
(602) 406-4786
Mailing Fax
(602) 406-7811
Medical School Name
OTHER
Graduation Year
2005
Is Sole Proprietor?
No
Enumeration Date
09-26-2012
Last Update Date
06-01-2026
Code Navigator

An internist like Makardhwaj Shrivastava 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

Secondary Locations

  • 625 N 6th St Ste 300
    Phoenix, AZ 85004
    (602) 406-8222

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.
56370
License State
AZ
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

56370 (AZ)
2207RX0202XAllopathic & Osteopathic Physicians

Internal Medicine
Medical Oncology

56370 (AZ)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • AZ Blue ACA StandardHealth Silver with Health Choice - HMO
  • AZ Blue AdvanceHealth Bronze Focus (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Bronze Neighborhood (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Gold Focus (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Gold Neighborhood (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Silver Focus (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Silver Neighborhood (4 Free PCP Visits) - HMO
  • AZ Blue EverydayHealth Gold Focus (1 Free PCP Visit) - HMO
  • AZ Blue EverydayHealth Gold Neighborhood (1 Free PCP Visit) - HMO
  • AZ Blue EverydayHealth Silver Focus (1 Free PCP Visit) - HMO
  • AZ Blue EverydayHealth Silver Neighborhood (1 Free PCP Visit) - HMO
  • AZ Blue Portfolio Bronze HSA Focus - HMO
  • AZ Blue Portfolio Bronze HSA Neighborhood - HMO
  • AZ Blue StandardHealth Bronze Focus - HMO
  • AZ Blue StandardHealth Bronze Neighborhood - HMO
  • AZ Blue StandardHealth Gold Focus - HMO
  • AZ Blue StandardHealth Gold Neighborhood - HMO
  • AZ Blue StandardHealth Silver Focus - HMO
  • AZ Blue StandardHealth Silver Neighborhood - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Makardhwaj Shrivastava 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.

Makardhwaj Shrivastava 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: 3274888094

    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: I20180620000386

    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

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 with high level of medical decision making, if using time, 40 minutes or more

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

This service was performed 115 times for 37 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more

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 42 times for 35 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more

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 65 times for 38 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

This service was performed 12 times for 12 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 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 66 times for 37 patients

Telephone medical discussion with physician, 11-20 minutes

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

This service was performed 20 times for 18 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $42.15 for a new patient copayment and $24.5 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 85004 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $168.6
  • Minimum New Patient Price $55.44
  • Maximum New Patient Price $168.6
  • Average New Patient Copayment $42.15
  • Minimum New Patient Copayment $13.86
  • Maximum New Patient Copayment $42.15

Established Patients Visit Costs *

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

  • Average Established Patient Price $98
  • Minimum Established Patient Price $17.72
  • Maximum Established Patient Price $137.41
  • Average Established Patient Copayment $24.5
  • Minimum Established Patient Copayment $4.43
  • Maximum Established Patient Copayment $34.35

* 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.

Reviews for DR. MAKARDHWAJ SARVADAMAN SHRIVASTAVA MBBS

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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 1871844258, 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
8
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
4
Doubled → 8
Pos 8
2
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 7 → 14 → 5 8 → 16 → 7 4 → 8 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 4 + 1 + 1 + 6 + 4 + 8 + 2 + 1 + 0 + 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 1871844258.

Other Providers at the Same Location


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

Social Worker
625 N 6TH ST
PHOENIX, AZ 85004
Clinic/Center
625 N 6TH ST
PHOENIX, AZ 85004
Pharmacy (Community/Retail Pharmacy)
625 N 6TH ST
PHOENIX, AZ 85004
Surgery (Surgical Oncology)
625 N 6TH ST
PHOENIX, AZ 85004
Genetic Counselor, MS
625 N 6TH ST
PHOENIX, AZ 85004
Internal Medicine (Medical Oncology)
625 N 6TH ST
PHOENIX, AZ 85004
Dermatology
625 N 6TH ST
PHOENIX, AZ 85004
Internal Medicine (Gastroenterology)
625 N 6TH ST
PHOENIX, AZ 85004
Internal Medicine (Hematology)
625 N 6TH ST
PHOENIX, AZ 85004
Nurse Practitioner (Gerontology)
625 N 6TH ST
PHOENIX, AZ 85004
Pharmacist (Oncology)
625 N 6TH ST
PHOENIX, AZ 85004
Surgery (Surgical Oncology)
625 N 6TH ST
PHOENIX, AZ 85004
Pharmacist
625 N 6TH ST
PHOENIX, AZ 85004
Urology
625 N 6TH ST
PHOENIX, AZ 85004
Nurse Practitioner (Family)
625 N 6TH ST
PHOENIX, AZ 85004
Radiology (Radiation Oncology)
625 N 6TH ST
PHOENIX, AZ 85004
Radiology (Radiation Oncology)
625 N 6TH ST
PHOENIX, AZ 85004
Nurse Practitioner (Family)
625 N 6TH ST
PHOENIX, AZ 85004
Physician Assistant (Surgical)
625 N 6TH ST
PHOENIX, AZ 85004
Obstetrics & Gynecology (Gynecologic Oncology)
625 N 6TH ST
PHOENIX, AZ 85004

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1871844258, enumerated as an "individual" on September 26, 2012.

The provider is located at 625 N 6TH ST PHOENIX, AZ 85004 and the phone number is (602) 406-8222.

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

The provider might be accepting Accepts: Blue Cross Blue Shield of Arizona. Please consult your insurance carrier or call the provider to verify.