DR. RAMYA RAMAKRISHNAN MD
NPI 1669034815
Pediatrics - Pediatric Hematology-Oncology in Oklahoma City, OK

NPI Status: Active since July 08, 2019

Contact Information

1200 CHILDRENS AVE
OKLAHOMA CITY, OK
ZIP 73104
Phone: (713) 499-0895

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  • Individual
  • Female
  • Years of Experience 9
  • Pediatrics
  • Pediatric Hematology-Oncology
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About RAMYA RAMAKRISHNAN

This page provides the complete NPI Profile along with additional information for Ramya Ramakrishnan, a pediatrician established in Oklahoma City, Oklahoma with a medical specialization in Pediatrics, focusing in pediatric hematology-oncology and more than 9 years of experience. The healthcare provider is registered in the NPI registry with number 1669034815 assigned on July 2019. The practitioner's primary taxonomy code is 2080P0207X with license number 45983 (OK). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1669034815
Provider Name
DR. RAMYA RAMAKRISHNAN MD
Gender
Female
Entity Type
Individual
Location Address
1200 CHILDRENS AVE OKLAHOMA CITY, OK 73104
Location Phone
(713) 499-0895
Mailing Address
1200 CHILDRENS AVE OKLAHOMA CITY, OK 73104
Mailing Phone
(713) 499-0895
Medical School Name
OTHER
Graduation Year
2017
Is Sole Proprietor?
No
Enumeration Date
07-08-2019
Last Update Date
10-08-2025
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A pediatrician like Ramya Ramakrishnan is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, etc.

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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

Pediatrics Pediatric Hematology-Oncology

Taxonomy Code
2080P0207X
Type
Allopathic & Osteopathic Physicians
License No.
45983
License State
OK
Taxonomy Description
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.

Medicare Participation & PECOS Enrollment Status

Ramya Ramakrishnan is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Ramya Ramakrishnan 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: 6305270448

    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: I20251005000303

    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? Maybe

    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

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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 1669034815, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 0 + 3 + 8 + 8 + 2 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1669034815.

Other Providers at the Same Location


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

Physical Therapist
1200 CHILDRENS AVE, SUITE 10000
OKLAHOMA CITY, OK 73104
Pediatrics (Pediatric Nephrology)
1200 CHILDRENS AVE
OKLAHOMA CITY, OK 73104
Pediatrics (Pediatric Hematology-Oncology)
1200 CHILDRENS AVE, SUITE 14500
OKLAHOMA CITY, OK 73104
Pediatrics (Pediatric Infectious Diseases)
1200 CHILDRENS AVE, OUCPB 5100
OKLAHOMA CITY, OK 73104
Genetic Counselor, MS
1200 CHILDRENS AVE, SUITE 12100
OKLAHOMA CITY, OK 73104
Pediatrics
1200 CHILDRENS AVE, SUITE 4500
OKLAHOMA CITY, OK 73104
Physician Assistant
1200 CHILDRENS AVE, SUITE 9500
OKLAHOMA CITY, OK 73104
Nurse Practitioner (Pediatrics)
1200 CHILDRENS AVE, SUITE 10000
OKLAHOMA CITY, OK 73104
Clinical Nurse Specialist (Acute Care)
1200 CHILDRENS AVE, BOX 29
OKLAHOMA CITY, OK 73104
Clinic/Center (Ambulatory Surgical)
1200 CHILDRENS AVE, SUITE 2E
OKLAHOMA CITY, OK 73104
Clinic/Center
1200 CHILDRENS AVE, OUCP 3100
OKLAHOMA CITY, OK 73104
Genetic Counselor, MS
1200 CHILDRENS AVE, STE 5100
OKLAHOMA CITY, OK 73104
Pediatrics (Pediatric Hematology-Oncology)
1200 CHILDRENS AVE, OUCP 14500
OKLAHOMA CITY, OK 73104
Pediatrics (Pediatric Endocrinology)
1200 CHILDRENS AVE, SUITE 4D
OKLAHOMA CITY, OK 73104
Internal Medicine
1200 CHILDRENS AVE, OUCP 14000 A2
OKLAHOMA CITY, OK 73104
Genetic Counselor, MS
1200 CHILDRENS AVE, SUITE 12100
OKLAHOMA CITY, OK 73104
Internal Medicine
1200 CHILDRENS AVE, SUITE 3200
OKLAHOMA CITY, OK 73104
Psychologist (Clinical)
1200 CHILDRENS AVE, SUITE 12400
OKLAHOMA CITY, OK 73104
Dietitian, Registered
1200 CHILDRENS AVE, SUITE 1A
OKLAHOMA CITY, OK 73104
Nurse Practitioner (Acute Care)
1200 CHILDRENS AVE
OKLAHOMA CITY, OK 73104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669034815, enumerated as an "individual" on July 08, 2019.

The provider is located at 1200 CHILDRENS AVE OKLAHOMA CITY, OK 73104 and the phone number is (713) 499-0895.

Pediatrics with taxonomy code 2080P0207X and a focus in Pediatric Hematology-Oncology.