Mark Salvatore Ritchie, PA-C

  • Naples, FL
  • Physician assistant
NPI1043306582
Medicare services, 2024
184
Medicare patients, 2024
186
Part D claims, 2024
224
Publications
1
Hospital affiliations
1
Practice address
350 7th N St, Naples, FL 34102
Practice phone
Call (239) 463-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

NCH Baker Hospital

Naples, Florida

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Mark Salvatore Ritchie is a physician assistant in Naples, Florida

Mark Ritchie practices at NCH Baker Hospital in Naples, Florida.

Mark Ritchie's NPI, 1043306582, was assigned on October 4, 2006. Mark Ritchie holds Florida license PA9107818.

NPI and contact details
NPI enumeration date
October 4, 2006
NPI status
Active
Practice phone
(239) 463-5000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
38
Medical school graduation
2014

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

Mark Salvatore Ritchie practices at NCH Baker Hospital in Naples, Florida

Mark Ritchie's primary practice is NCH Baker Hospital, at 350 7th N St, Naples, FL 34102 in Collier County. The practice phone is (239) 463-5000.

  • NCH Baker Hospital
    350 7th N St, Naples, FL 34102 · Collier CountyPhone(239) 463-5000

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

Mark Salvatore Ritchie is affiliated with 2 sites of care and 18 medical groups

Mark Ritchie's primary practice is NCH Baker Hospital in Naples, Florida. Mark Ritchie is also affiliated with HCA Florida Putnam Hospital. The medical group on file is Southwest Florida Emergency Management. Dmand AI also links Mark Ritchie to 17 more medical groups, each named with a free account.

See all 20 affiliations for Mark Ritchie

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

Dmand AI tracks the EHR system at Mark Salvatore Ritchie's practice

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

EHR by site
SiteEHR vendor and product
NCH Baker HospitalAvailable with a free account
+1 more site and 17 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Mark Salvatore Ritchie is one of 7,899 physician assistants in Florida

Physician assistant is Mark Ritchie's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mark Ritchie is licensed in Florida.

Specialties and state licenses

  • Physician assistant, FloridaPrimaryLicense PA9107818 · taxonomy 363A00000X

Physician assistants near Mark Ritchie

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

Mark Salvatore Ritchie billed Medicare for 184 services in 2024

CMS data shows 184 Medicare services from Mark Ritchie across 3 procedure codes in 2024, for 186 Medicare patients. Medicare paid $15,790 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024184
Medicare patients186
Paid by Medicare$15,790
Procedure codes3

Mark Ritchie compared with the Florida median for physician assistants, 2024

  • Mark Ritchie
  • Florida median
Medicare services
184vs 32143% below
Medicare patients
186vs 13043% above
Part D claims
87vs 32673% below

Medians across 5,430 physician assistants in Florida with Dmand AI profiles that report each measure.

Mark Ritchie's most billed Medicare procedure codes, 2024

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

Mark Salvatore Ritchie treated 186 Medicare patients in 2024, average age 74

CMS counts 186 Medicare patients who saw Mark Ritchie in 2024. The largest group is 75 to 84, with 70 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Mark Ritchie's median patient age at 40, with 61% women.

Medicare patients, 2024186
Average age74
Average risk score1.65
Also on Medicaid20%

Mark Ritchie's Medicare patients by age, 2024

Mark Ritchie's Medicare patients by sex, 2024

  • Women9048%
  • Men9652%

Chronic conditions among Mark Ritchie's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis57%
  4. Ischemic heart disease40%
  5. Diabetes38%
  6. Mood disorders32%
  7. Anxiety31%
  8. Chronic kidney disease30%

Share of Medicare patients with each condition. A patient can have several.

Mark Ritchie's patients across all payers

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

Patient panel by age, all payers

Median age 40

Patient panel by sex, all payers

  • Women61%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Mark Salvatore Ritchie wrote 224 Medicare Part D claims in 2024

In 2024, Mark Ritchie wrote 224 Medicare Part D claims for 152 patients. 88% of them were for generic drugs. CMS names the drug for 87 of them, across 6 drugs with 11 or more claims each, at $499 in total drug cost.

Part D claims, 2024224
Drugs named by CMS6
Total drug cost$499
Part D patients152

Mark Ritchie's Part D claims by kind of drug, 2024

  • Generic197 claims88%
  • Brand-name27 claims12%

Mark Ritchie'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 Mark Ritchie's Part D claims, 2024

  • Opioids11%25 of 224 claims
  • Antibiotics32%72 of 224 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 Mark Ritchie

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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Mark Salvatore Ritchie has 1 publication on record

Dmand AI links 1 paper to Mark Ritchie.

Papers1

Recent publications by Mark Ritchie

See all 1 publications and co-authors

See who Mark Ritchie researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Mark Ritchie works with, so you can find a warm path to the right physician assistants.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Mark Salvatore Ritchie has 13 awards and honors on record

Dmand AI lists 13 awards for Mark Ritchie, most recently Clinical Preceptor Recognition Program - Credentialed/Endorsed Clinical Preceptor. in 2015.

Awards and honors for Mark Ritchie

  1. 2015
    • Clinical Preceptor Recognition Program - Credentialed/Endorsed Clinical Preceptor.
  2. 2013
    • Duke Medicine - Service Champion Award for Patient Excellence
    • Duke Medicine - Service Champion Award for Patient Excellence.
  3. 2012
    • Fellow
  4. 2005
    • Dean's List
  5. 2004
    • Dean’s List 2 semesters
See all 13 awards

Source: Dmand AI Professional Profile Data

Sources for Mark Salvatore Ritchie'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 Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy 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
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Awards and committee rolesDmand 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 Mark Salvatore Ritchie

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

What is Mark Salvatore Ritchie's NPI number?

Mark Salvatore Ritchie's NPI number is 1043306582. It was assigned on October 4, 2006, and it is active in the NPI Registry.

What does Mark Salvatore Ritchie specialize in?

Mark Salvatore Ritchie is a physician assistant in Naples, Florida. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Mark Salvatore Ritchie practice?

Mark Ritchie practices at 350 7th N St, Naples, FL 34102. Mark Ritchie's primary practice is NCH Baker Hospital in Naples, Florida. Dmand AI also links Mark Ritchie to 17 medical groups.

What is Mark Salvatore Ritchie's office phone number?

The practice phone on file for Mark Ritchie is (239) 463-5000.

What is Mark Salvatore Ritchie's medical license number?

Mark Ritchie holds Florida license PA9107818.

Which hospitals is Mark Salvatore Ritchie affiliated with?

Mark Ritchie is affiliated with HCA Florida Putnam Hospital.

What medical group is Mark Salvatore Ritchie part of?

Mark Ritchie is linked to Southwest Florida Emergency Management. Dmand AI links Mark Ritchie to 17 more medical groups.

Does Mark Salvatore Ritchie accept Medicare?

Yes. CMS data shows Mark Ritchie billed Medicare for 184 services in 2024.

How many Medicare patients does Mark Salvatore Ritchie see?

CMS counts 186 Medicare patients who saw Mark Ritchie in 2024, with an average age of 74.

What services does Mark Salvatore Ritchie bill to Medicare?

In 2024, Mark Ritchie's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).

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What drugs does Mark Salvatore Ritchie prescribe most?

In 2024 Medicare Part D data, Mark Ritchie's most prescribed drugs by claims were Methylprednisolone, Cephalexin and Prednisone.

How long has Mark Salvatore Ritchie been practicing?

Mark Ritchie graduated from medical school in 2014, 12 years ago.

Does Mark Salvatore Ritchie do research?

Dmand AI links 1 publication to Mark Ritchie.

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