Dr. Charles Steven Plimpton, MD

  • Phoenix, AZ
  • OB-GYN
NPI1891777835PAC ID4981849486
Part D claims, 2024
30
Clinical trials
3
Hospital affiliations
3
Industry payments
$7,866
Medical groups
3
Practice address
350 West Thomas Road, Phoenix, AZ 85013
Practice phone
Call (602) 406-8225
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

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Dr. Charles Steven Plimpton is an OB-GYN in Phoenix, Arizona

Dr. Plimpton practices at Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona, part of CommonSpirit Health.

Dr. Plimpton's NPI, 1891777835, was assigned on November 16, 2005. Dr. Plimpton holds Arizona license 20429.

NPI and contact details
Medicare PAC ID
4981849486
NPI enumeration date
November 16, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(602) 406-8225
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
64
Medical school graduation
1988

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Charles Steven Plimpton practices at Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona

Dr. Plimpton's primary practice is Dignity Health St. Joseph's Hospital and Medical Center, at 350 West Thomas Road, Phoenix, AZ 85013 in Maricopa County. The practice phone is (602) 406-8225.

Source: Dmand AI Affiliation Data

Dr. Charles Steven Plimpton is affiliated with 4 sites of care and 3 medical groups

Dr. Plimpton's primary practice is Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona, part of CommonSpirit Health. Dr. Plimpton is also affiliated with Select Specialty Hospital - Phoenix. The medical group on file is St. Joseph's Faculty Physicians. Dmand AI also links Dr. Plimpton to 1 more hospital, 2 medical groups and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Plimpton

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Charles Steven Plimpton's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Plimpton practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dignity Health St. Joseph's Hospital and Medical CenterAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Charles Steven Plimpton is one of 654 OB-GYNs in Arizona

Obstetrics and gynecology is Dr. Plimpton's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Plimpton is licensed in Arizona.

Specialties and state licenses

  • Obstetrics and gynecology, ArizonaPrimaryLicense 20429 · taxonomy 207V00000X

OB-GYNs near Dr. Plimpton

Counts of OB-GYNs 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. Charles Steven Plimpton's patients have a median age of 33

Across all payers, Dmand AI patient panel data puts Dr. Plimpton's median patient age at 33, with 99% women.

Dr. Plimpton's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 33

Patient panel by sex, all payers

  • Women99%
  • Men0%

Source: Dmand AI Patient Panel Data

Dr. Charles Steven Plimpton wrote 30 Medicare Part D claims in 2024

In 2024, Dr. Plimpton wrote 30 Medicare Part D claims. 93% of them were for generic drugs. CMS names the drug for 22 of them, across 1 drug with 11 or more claims each, at $1,038 in total drug cost. In 2023, CMS named 25 claims across 1 drug.

Part D claims, 202430
Drugs named by CMS1
Total drug cost$1,038

Dr. Plimpton's Part D claims by kind of drug, 2024

  • Generic28 claims93%
  • Brand-name and other2 claims7%

Dr. Plimpton's most prescribed drugs by claims, 2024

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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 252024: 2212%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Plimpton

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

How Dr. Charles Steven Plimpton takes part in Medicare

Dr. Plimpton accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Charles Steven Plimpton has worked on 3 clinical trials

Dmand AI links Dr. Plimpton to 3 clinical trials, 2 of them phase 3 studies. Conditions studied include Pneumovirus Infections and Respiratory Syncytial Virus Infections. GlaxoSmithKline sponsors the most, 2.

Clinical trials with Dr. Plimpton by phase

  1. NonePhase 1: no trials
  2. NonePhase 2: no trials
  3. 1Phase 2/3: 1 trial
  4. 2Phase 3: 2 trials
  5. NonePhase 4: no trials

Conditions in Dr. Plimpton's trials

  • Pneumovirus Infections
  • Respiratory Syncytial Virus Infections

Investigators on the most trials with Dr. Plimpton

Recent clinical trials with Dr. Plimpton

Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage

Dr. Charles Steven Plimpton received $7,866 in industry payments from 2016 to 2025

CMS Open Payments shows 17 general payments to Dr. Plimpton from 7 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 58% of the total. Pfizer Inc. paid the most, $7,588.

General payments to Dr. Plimpton by program year, 2016 to 2025

General payments to Dr. Plimpton by kind, 2016 to 2025

$7.9Kin total
  • Consulting fees$4,55058%
  • Travel and lodging$2,29729%
  • Food and beverage$1,01913%

Companies that paid Dr. Plimpton the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Plimpton

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

Sources for Dr. Charles Steven Plimpton'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Clinical trials and co-investigatorsClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Charles Steven Plimpton

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. Charles Steven Plimpton's NPI number?

Dr. Charles Steven Plimpton's NPI number is 1891777835. It was assigned on November 16, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Charles Steven Plimpton?

Dr. Charles Steven Plimpton is an OB-GYN in Phoenix, Arizona. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. Charles Steven Plimpton practice?

Dr. Plimpton practices at 350 West Thomas Road, Phoenix, AZ 85013. Dr. Plimpton's primary practice is Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona, part of CommonSpirit Health. Dmand AI also links Dr. Plimpton to 1 hospital, 2 medical groups and 1 group practice or clinic.

What is Dr. Charles Steven Plimpton's office phone number?

The practice phone on file for Dr. Plimpton is (602) 406-8225.

What is Dr. Charles Steven Plimpton's medical license number?

Dr. Plimpton holds Arizona license 20429.

Which hospitals is Dr. Charles Steven Plimpton affiliated with?

Dr. Plimpton practices at Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona. Dr. Plimpton is also affiliated with Select Specialty Hospital - Phoenix. Dmand AI links Dr. Plimpton to 1 more hospital.

What medical group is Dr. Charles Steven Plimpton part of?

Dr. Plimpton is linked to St. Joseph's Faculty Physicians. Dmand AI links Dr. Plimpton to 2 more medical groups.

Does Dr. Charles Steven Plimpton accept Medicare?

Yes. CMS lists Dr. Plimpton as accepting Medicare assignment.

What drugs does Dr. Charles Steven Plimpton prescribe most?

In 2024 Medicare Part D data, Dr. Plimpton's most prescribed drugs by claims were Progesterone.

Has Dr. Charles Steven Plimpton received payments from drug or device companies?

CMS Open Payments shows $7,866 in general payments to Dr. Plimpton from 7 companies from 2016 to 2025. The largest total came from Pfizer Inc.

How long has Dr. Charles Steven Plimpton been practicing?

Dr. Plimpton graduated from medical school in 1988, 38 years ago.

Does Dr. Charles Steven Plimpton do research?

Dr. Plimpton has worked on 3 clinical trials.

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