Dr. Mark Andrew Titus, MD
- Medicare services, 2024
- 275
- Medicare patients, 2024
- 263
- Part D claims, 2024
- 33
- MIPS score, 2024
- 95
- Hospital affiliations
- 3
- Practice address
- 500 J Clyde Morris Blvd, Newport News, VA 23601
- Practice phone
- Call (757) 594-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Titus' professional email, personal email and mobile number
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Dr. Mark Andrew Titus is a gastroenterologist in Newport News, Virginia
Dr. Titus practices at Riverside Regional Medical Center in Newport News, Virginia, part of Riverside Health System.
Dr. Titus' NPI, 1942204219, was assigned on June 2, 2005. Dr. Titus graduated from Rutgers New Jersey Medical School in 1998. Dr. Titus holds Virginia license 0101236037.
- NPI
- 1942204219NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032184304
- NPI enumeration date
- June 2, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (757) 594-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Andrew Titus practices at Riverside Regional Medical Center in Newport News, Virginia
Dr. Titus' primary practice is Riverside Regional Medical Center, at 500 J Clyde Morris Blvd, Newport News, VA 23601 in Newport News City. The practice phone is (757) 594-2000.
- Riverside Regional Medical Center500 J Clyde Morris Blvd, Newport News, VA 23601 · Newport News CityPhone(757) 594-2000
Source: Dmand AI Affiliation Data
Dr. Mark Andrew Titus is affiliated with 6 sites of care and 3 medical groups
Dr. Titus' primary practice is Riverside Regional Medical Center in Newport News, Virginia, part of Riverside Health System. Dr. Titus is also affiliated with Sentara RMH Medical Center. The medical group on file is Sentara RMH Medical Group. Dmand AI also links Dr. Titus to 1 more hospital, 3 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Andrew Titus' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Titus practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside Regional Medical Center | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Riverside Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark Andrew Titus is one of 494 gastroenterologists in Virginia
Gastroenterology is Dr. Titus' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Titus is licensed in Virginia.
Specialties and state licenses
- Gastroenterology, VirginiaPrimary
Gastroenterologists near Dr. Titus
Counts of gastroenterologists 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. Mark Andrew Titus billed Medicare for 275 services in 2024
CMS data shows 275 Medicare services from Dr. Titus across 9 procedure codes in 2024, for 263 Medicare patients. Medicare paid $28,918 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Titus' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1712024: 1616%
- Office and hospital visits
- 2023: 882024: 10317%
- Other services
- 2023: 462024: 1176%
Dr. Titus compared with the Virginia median for gastroenterologists, 2024
- Dr. Titus
- Virginia median
- Medicare services
- 275vs 52448% below
- Medicare patients
- 263vs 36227% below
- Part D claims
- 13vs 29096% below
Medians across 484 gastroenterologists in Virginia with Dmand AI profiles that report each measure.
Dr. Titus' 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
Dr. Mark Andrew Titus treated 263 Medicare patients in 2024, average age 75
CMS counts 263 Medicare patients who saw Dr. Titus in 2024. The largest group is 65 to 74, with 111 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Titus' median patient age at 62, with 51% women.
Dr. Titus' Medicare patients by age, 2024
Dr. Titus' Medicare patients by sex, 2024
- Women12648%
- Men13752%
Chronic conditions among Dr. Titus' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes44%
- Ischemic heart disease41%
- Chronic kidney disease39%
- Mood disorders33%
- Depression30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Titus' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Andrew Titus wrote 33 Medicare Part D claims in 2024
In 2024, Dr. Titus wrote 33 Medicare Part D claims for 22 patients. 85% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $294 in total drug cost. In 2020, CMS named 42 claims across 3 drugs.
Dr. Titus' Part D claims by kind of drug, 2024
- Generic28 claims85%
- Brand-name and other5 claims15%
Dr. Titus' 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: 422021: 1369%
Drugs named by CMS: 1 in 2021, 3 in 2020.
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
Dr. Mark Andrew Titus scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Titus for performance year 2024, reported through an alternative payment model (APM). Dr. Titus accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 68 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Titus, more than 69% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Titus' MIPS scores, performance year 2024
- 95of 100Final score
- 92.9of 100Quality
- 95of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Titus ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 69th percentile68 procedures
- Colonoscopy
- 59th percentile40 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mark Andrew Titus received $618 in industry payments from 2017 to 2024
CMS Open Payments shows 5 general payments to Dr. Titus from 2 drug and device companies from 2017 to 2024. Travel and lodging make up the largest share, 82% of the total. Boston Scientific Corporation paid the most, $603. It also lists 1 research payment totaling $151 in 2016.
General payments to Dr. Titus by program year, 2017 to 2024
General payments to Dr. Titus by kind, 2017 to 2024
- Travel and lodging$50382%
- Food and beverage$11418%
Companies that paid Dr. Titus the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Andrew Titus graduated from Rutgers New Jersey Medical School
Dr. Titus graduated from Rutgers New Jersey Medical School in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Andrew Titus's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark Andrew Titus
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. Mark Andrew Titus' NPI number?
Dr. Mark Andrew Titus' NPI number is 1942204219. It was assigned on June 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Andrew Titus?
Dr. Mark Andrew Titus is a gastroenterologist in Newport News, Virginia. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Mark Andrew Titus practice?
Dr. Titus practices at 500 J Clyde Morris Blvd, Newport News, VA 23601. Dr. Titus' primary practice is Riverside Regional Medical Center in Newport News, Virginia, part of Riverside Health System. Dmand AI also links Dr. Titus to 1 hospital, 3 group practices and clinics and 2 medical groups.
What is Dr. Mark Andrew Titus' office phone number?
The practice phone on file for Dr. Titus is (757) 594-2000.
What is Dr. Mark Andrew Titus' medical license number?
Dr. Titus holds Virginia license 0101236037.
Which hospitals is Dr. Mark Andrew Titus affiliated with?
Dr. Titus practices at Riverside Regional Medical Center in Newport News, Virginia. Dr. Titus is also affiliated with Sentara RMH Medical Center. Dmand AI links Dr. Titus to 1 more hospital.
What medical group is Dr. Mark Andrew Titus part of?
Dr. Titus is linked to Sentara RMH Medical Group. Dmand AI links Dr. Titus to 2 more medical groups.
Does Dr. Mark Andrew Titus accept Medicare?
Yes. CMS data shows Dr. Titus billed Medicare for 275 services in 2024, and Dr. Titus accepts Medicare assignment.
What is Dr. Mark Andrew Titus' MIPS score?
Dr. Titus' MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Mark Andrew Titus see?
CMS counts 263 Medicare patients who saw Dr. Titus in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Mark Andrew Titus bill to Medicare?
In 2024, Dr. Titus' most billed Medicare services were surgery: digestive system (45380), surgery: digestive system (45385) and hospital inpatient care (99222).
Where did Dr. Mark Andrew Titus go to medical school?
Dr. Titus graduated from Rutgers New Jersey Medical School in 1998.
What drugs does Dr. Mark Andrew Titus prescribe most?
In 2021 Medicare Part D data, Dr. Titus' most prescribed drugs by claims were Omeprazole.
Has Dr. Mark Andrew Titus received payments from drug or device companies?
CMS Open Payments shows $618 in general payments to Dr. Titus from 2 companies from 2017 to 2024. The largest total came from Boston Scientific Corporation.
How long has Dr. Mark Andrew Titus been practicing?
Dr. Titus graduated from medical school in 1998, 28 years ago.
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