Charles William Testerman, PA-C

  • Salinas, CA
  • Physician assistant
NPI1679359681
Part D claims, 2024
244
Hospital affiliations
1
Industry payments
$147
Medical group
1
State license
1
Practice address
1441 Constitution Boulevard, Salinas, CA 93906
Practice phone
Call (831) 755-4111
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Natividad

Hospital · Salinas, California

See all 3 affiliations

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Charles William Testerman is a physician assistant in Salinas, California

Charles Testerman practices at Natividad in Salinas, California, part of Monterey County, CA.

Charles Testerman's NPI, 1679359681, was assigned on September 5, 2023. Charles Testerman holds California license 62989.

NPI and contact details
NPI enumeration date
September 5, 2023
NPI status
Active
Practice phone
(831) 755-4111
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
29
Medical school graduation
2023

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

Charles William Testerman practices at Natividad in Salinas, California

Charles Testerman's primary practice is Natividad, at 1441 Constitution Boulevard, Salinas, CA 93906 in Monterey County. The practice phone is (831) 755-4111.

  • Natividad
    1441 Constitution Boulevard, Salinas, CA 93906 · Monterey CountyPhone(831) 755-4111

Source: Dmand AI Affiliation Data

Charles William Testerman is affiliated with 2 sites of care and 1 medical group

Charles Testerman's primary practice is Natividad in Salinas, California, part of Monterey County, CA. The medical group on file is Montage Orthopedics and Sports Medicine. Dmand AI also links Charles Testerman to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Charles Testerman

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

Dmand AI tracks the EHR system at Charles William Testerman's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Charles Testerman practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
NatividadAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Charles William Testerman is one of 11,482 physician assistants in California

Physician assistant is Charles Testerman's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Charles Testerman is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense 62989 · taxonomy 363A00000X

Physician assistants near Charles Testerman

Counts of physician assistants 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

Charles William Testerman's patients have a median age of 69

Across all payers, Dmand AI patient panel data puts Charles Testerman's median patient age at 69, with 66% women.

Charles Testerman's patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women66%
  • Men34%

Source: Dmand AI Patient Panel Data

Charles William Testerman wrote 244 Medicare Part D claims in 2024

In 2024, Charles Testerman wrote 244 Medicare Part D claims for 202 patients. 100% of them were for generic drugs. CMS names the drug for 201 of them, across 3 drugs with 11 or more claims each, at $658 in total drug cost.

Part D claims, 2024244
Drugs named by CMS3
Total drug cost$658
Part D patients202

Charles Testerman'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.

Drug classes CMS tracks in Charles Testerman's Part D claims, 2024

  • Opioids6%15 of 244 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Charles Testerman

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

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Charles William Testerman received $147 in industry payments in 2025

CMS Open Payments shows 1 general payment to Charles Testerman from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Zimmer Biomet Holdings, Inc. paid the most, $147.

Companies that paid Charles Testerman the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Charles Testerman

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

Sources for Charles William Testerman'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)
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 Charles William Testerman

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

What is Charles William Testerman's NPI number?

Charles William Testerman's NPI number is 1679359681. It was assigned on September 5, 2023, and it is active in the NPI Registry.

What does Charles William Testerman specialize in?

Charles William Testerman is a physician assistant in Salinas, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Charles William Testerman practice?

Charles Testerman practices at 1441 Constitution Boulevard, Salinas, CA 93906. Charles Testerman's primary practice is Natividad in Salinas, California, part of Monterey County, CA. Dmand AI also links Charles Testerman to 1 group practice or clinic.

What is Charles William Testerman's office phone number?

The practice phone on file for Charles Testerman is (831) 755-4111.

What is Charles William Testerman's medical license number?

Charles Testerman holds California license 62989.

Which hospitals is Charles William Testerman affiliated with?

Charles Testerman practices at Natividad in Salinas, California.

What medical group is Charles William Testerman part of?

Charles Testerman is linked to Montage Orthopedics and Sports Medicine.

What drugs does Charles William Testerman prescribe most?

In 2024 Medicare Part D data, Charles Testerman's most prescribed drugs by claims were Meloxicam, Cyclobenzaprine HCl and Methylprednisolone.

Has Charles William Testerman received payments from drug or device companies?

CMS Open Payments shows $147 in general payments to Charles Testerman from 1 company from 2025 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.

How long has Charles William Testerman been practicing?

Charles Testerman graduated from medical school in 2023, 3 years ago.

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