Meredith Dettmar, PA-C

  • Upland, CA
  • Physician assistant
NPI1902275993
Part D claims, 2024
3,421
Hospital affiliations
1
Industry payments
$2,269
Medical groups
3
State license
1
Practice address
999 San Bernardino Road, Upland, CA 91786
Practice phone
Call (909) 985-2811
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

San Antonio Regional Hospital

Hospital · Upland, California

See all 5 affiliations

Find Meredith Dettmar's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Meredith Dettmar is a physician assistant in Upland, California

Meredith Dettmar practices at San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital.

Meredith Dettmar's NPI, 1902275993, was assigned on September 19, 2015.

NPI and contact details
NPI enumeration date
September 19, 2015
NPI status
Active
Practice phone
(909) 985-2811
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female

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

Meredith Dettmar practices at San Antonio Regional Hospital in Upland, California

Meredith Dettmar's primary practice is San Antonio Regional Hospital, at 999 San Bernardino Road, Upland, CA 91786 in San Bernardino County. The practice phone is (909) 985-2811.

Source: Dmand AI Affiliation Data

Meredith Dettmar is affiliated with 2 sites of care and 3 medical groups

Meredith Dettmar's primary practice is San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital. The medical group on file is Vituity. Dmand AI also links Meredith Dettmar to 2 more medical groups and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Meredith Dettmar

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

Dmand AI tracks the EHR system at Meredith Dettmar's practice

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

EHR by site
SiteEHR vendor and product
San Antonio Regional HospitalAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Meredith Dettmar practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across San Antonio Regional Hospital and 6.2K+ hospitals, with verified contacts in the same login.

Meredith Dettmar is one of 11,482 physician assistants in California

Physician assistant is Meredith Dettmar's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Meredith Dettmar is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Meredith Dettmar has a license on file in California.

Specialties and state licenses

  • California licenseLicense 52882

Physician assistants near Meredith Dettmar

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

Meredith Dettmar's patients have a median age of 65

Across all payers, Dmand AI patient panel data puts Meredith Dettmar's median patient age at 65, with 69% women.

Meredith Dettmar's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women69%
  • Men30%

Source: Dmand AI Patient Panel Data

Meredith Dettmar wrote 3,421 Medicare Part D claims in 2024

In 2024, Meredith Dettmar wrote 3,421 Medicare Part D claims for 506 patients. 87% of them were for generic drugs. CMS names the drug for 2,764 of them, across 85 drugs with 11 or more claims each, at $209,930 in total drug cost.

Part D claims, 20243,421
Drugs named by CMS85
Total drug cost$209,930
Part D patients506

Meredith Dettmar's Part D claims by kind of drug, 2024

  • Generic2,960 claims87%
  • Brand-name446 claims13%
  • Other15 claims0%

Meredith Dettmar'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 Meredith Dettmar's Part D claims, 2024

  • Opioids9%291 of 3,421 claims
  • Antibiotics2%84 of 3,421 claims
  • Antipsychotics, patients 65 and over0%13 of 3,421 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 Meredith Dettmar

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

For MedTech and pharma teams

Find physician assistants like Meredith Dettmar by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Meredith Dettmar received $2,269 in industry payments from 2024 to 2025

CMS Open Payments shows 106 general payments to Meredith Dettmar from 32 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $249.

General payments to Meredith Dettmar by program year, 2024 to 2025

Companies that paid Meredith Dettmar the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Meredith Dettmar

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

Meredith Dettmar is board certified in certified physician assistant

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Meredith Dettmar'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)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Meredith Dettmar

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

What is Meredith Dettmar's NPI number?

Meredith Dettmar's NPI number is 1902275993. It was assigned on September 19, 2015, and it is active in the NPI Registry.

What does Meredith Dettmar specialize in?

Meredith Dettmar is a physician assistant in Upland, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Meredith Dettmar practice?

Meredith Dettmar practices at 999 San Bernardino Road, Upland, CA 91786. Meredith Dettmar's primary practice is San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital. Dmand AI also links Meredith Dettmar to 2 medical groups and 1 group practice or clinic.

What is Meredith Dettmar's office phone number?

The practice phone on file for Meredith Dettmar is (909) 985-2811.

Which hospitals is Meredith Dettmar affiliated with?

Meredith Dettmar practices at San Antonio Regional Hospital in Upland, California.

What medical group is Meredith Dettmar part of?

Meredith Dettmar is linked to Vituity. Dmand AI links Meredith Dettmar to 2 more medical groups.

Is Meredith Dettmar board certified?

Yes. Meredith Dettmar is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

What drugs does Meredith Dettmar prescribe most?

In 2024 Medicare Part D data, Meredith Dettmar's most prescribed drugs by claims were Atorvastatin Calcium, Hydrocodone-Acetaminophen and Lorazepam.

Has Meredith Dettmar received payments from drug or device companies?

CMS Open Payments shows $2,269 in general payments to Meredith Dettmar from 32 companies from 2024 to 2025. The largest total came from Abbvie Inc.

How long has Meredith Dettmar been practicing?

Meredith Dettmar's NPI was assigned in 2015.

Selling to physician assistant practices?

See physician assistants in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)