Dr. Cynthia Spring Redding, MD

  • Saint Louis, MO
  • Nephrologist
NPI1548230600
Medicare services, 2021
104
Part D claims, 2021
221
Industry payments
$176
Affiliated sites
1
State license
1
Practice address
3366 Nw Expressway Suite 730 Suite 730, Oklahoma City, OK 73112
Practice phone
Call (405) 945-4905
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Cynthia Redding MD Medical Group

Physician office · Oklahoma City, Oklahoma

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Dr. Cynthia Spring Redding is a nephrologist in Saint Louis, Missouri

Dr. Redding practices at Cynthia Redding MD Medical Group in Oklahoma City, Oklahoma.

Dr. Redding's NPI, 1548230600, was assigned on January 23, 2006. Dr. Redding holds Oklahoma license 16530.

NPI and contact details
NPI enumeration date
January 23, 2006
NPI status
Active
Practice phone
(405) 945-4905
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Cynthia Spring Redding practices in Oklahoma City and Saint Louis

Dr. Redding's primary practice is Cynthia Redding MD Medical Group, at 3366 Nw Expressway Suite 730 Suite 730, Oklahoma City, OK 73112. The practice phone is (405) 945-4905. The NPI Registry lists Dr. Redding's practice address as 621 S New Ballas Rd, Saint Louis, MO 63141.

  • Cynthia Redding MD Medical GroupPrimary
    3366 Nw Expressway Suite 730 Suite 730, Oklahoma City, OK 73112Phone(405) 945-4905
  • NPI Registry address
    621 S New Ballas Rd, Saint Louis, MO 63141 · Saint Louis CountyPhone(405) 945-4905

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. Cynthia Spring Redding is affiliated with 1 site of care

Dr. Redding's primary practice is Cynthia Redding MD Medical Group in Oklahoma City, Oklahoma.

Cynthia Redding MD Medical GroupPhysician office · Oklahoma City, OklahomaPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Cynthia Spring Redding's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Redding practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cynthia Redding MD Medical GroupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Cynthia Spring Redding is one of 249 nephrologists in Missouri

Nephrology is Dr. Redding's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Redding is licensed in Oklahoma.

Specialties and state licenses

  • Nephrology, OklahomaPrimaryLicense 16530 · taxonomy 207RN0300X

Nephrologists near Dr. Redding

Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Cynthia Spring Redding billed Medicare for 104 services in 2021

CMS data shows 104 Medicare services from Dr. Redding across 3 procedure codes in 2021. Medicare paid $16,298 for them. Every service was in an office.

Medicare services, 2021104
Paid by Medicare$16,298
Procedure codes3

Dr. Redding's Medicare services by type, 2020 to 2021

  • 2020
  • 2021
Tests and treatments
2020: 5172021: 5390%
Office and hospital visits
2020: 4362021: 5188%

Dr. Redding compared with the Missouri median for nephrologists, 2021

  • Dr. Redding
  • Missouri median
Medicare services
104vs 85788% below
Part D claims
221vs 77972% below

Medians across 240 nephrologists in Missouri with Dmand AI profiles that report each measure.

Dr. Redding's most billed Medicare procedure codes, 2021

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Cynthia Spring Redding wrote 221 Medicare Part D claims in 2021

In 2021, Dr. Redding wrote 221 Medicare Part D claims. Every claim was for a generic drug. They cover 9 drugs, with $24,181 in total drug cost. In 2020, CMS named 325 claims across 11 drugs.

Part D claims, 2021221
Drugs named by CMS9
Total drug cost$24,181

Dr. Redding's most prescribed drugs by claims, 2021

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 3252021: 22132%

Drugs named by CMS: 9 in 2021, 11 in 2020.

See all prescribing by Dr. Redding

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Cynthia Spring Redding received $176 in industry payments from 2017 to 2020

CMS Open Payments shows 9 general payments to Dr. Redding from 8 drug and device companies from 2017 to 2020. Food and beverage make up the largest share, 91% of the total. Portola Pharmaceuticals, LLC paid the most, $56.

General payments to Dr. Redding by program year, 2017 to 2020

General payments to Dr. Redding by kind, 2017 to 2020

$176in total
  • Food and beverage$15991%
  • Education$179%

Companies that paid Dr. Redding the most, 2017 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. Redding

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Cynthia Spring Redding's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Cynthia Spring Redding

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Cynthia Spring Redding's NPI number?

Dr. Cynthia Spring Redding's NPI number is 1548230600. It was assigned on January 23, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Cynthia Spring Redding?

Dr. Cynthia Spring Redding is a nephrologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Cynthia Spring Redding practice?

Dr. Redding practices at 3366 Nw Expressway Suite 730 Suite 730, Oklahoma City, OK 73112. Dr. Redding also practices at 621 S New Ballas Rd, Saint Louis, MO 63141. Dr. Redding's primary practice is Cynthia Redding MD Medical Group in Oklahoma City, Oklahoma.

What is Dr. Cynthia Spring Redding's office phone number?

The practice phone on file for Dr. Redding is (405) 945-4905.

What is Dr. Cynthia Spring Redding's medical license number?

Dr. Redding holds Oklahoma license 16530.

Does Dr. Cynthia Spring Redding accept Medicare?

Yes. CMS data shows Dr. Redding billed Medicare for 104 services in 2021.

What services does Dr. Cynthia Spring Redding bill to Medicare?

In 2021, Dr. Redding's most billed Medicare services were office visit, established patient (99214), dialysis (90960) and dialysis (90961).

What drugs does Dr. Cynthia Spring Redding prescribe most?

In 2021 Medicare Part D data, Dr. Redding's most prescribed drugs by claims were Sevelamer Carbonate, Calcium Acetate and Furosemide.

Has Dr. Cynthia Spring Redding received payments from drug or device companies?

CMS Open Payments shows $176 in general payments to Dr. Redding from 8 companies from 2017 to 2020. The largest total came from Portola Pharmaceuticals, LLC.

How long has Dr. Cynthia Spring Redding been practicing?

Dr. Redding's NPI was assigned in 2006.

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