Dr. Mark A. Hendrix, MD
- Medicare services, 2024
- 6,044
- Medicare patients, 2024
- 1,372
- Part D claims, 2024
- 1,370
- MIPS score, 2024
- 85
- Industry payments
- $653
- Practice address
- 3204 Tower Oaks Blvd Suite 300 Suite 300, Rockville, MD 20852-4250
- Practice phone
- Call (301) 231-5088
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rockville Eye Associates
Eye care practice · Rockville, Maryland
Find Dr. Hendrix'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.
Dr. Mark A. Hendrix is an ophthalmologist in Rockville, Maryland
Dr. Hendrix practices at Rockville Eye Associates in Rockville, Maryland.
Dr. Hendrix's NPI, 1043219124, was assigned on July 20, 2005. Dr. Hendrix graduated from Georgetown University School of Medicine in 1990. Dr. Hendrix holds Maryland license D46085.
- NPI
- 1043219124NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517133671
- NPI enumeration date
- July 20, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 231-5088
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark A. Hendrix practices at Rockville Eye Associates in Rockville, Maryland
Dr. Hendrix's primary practice is Rockville Eye Associates, at 3204 Tower Oaks Blvd Suite 300 Suite 300, Rockville, MD 20852-4250. The practice phone is (301) 231-5088.
- Rockville Eye Associates3204 Tower Oaks Blvd Suite 300 Suite 300, Rockville, MD 20852-4250Phone(301) 231-5088
Source: Dmand AI Affiliation Data
Dr. Mark A. Hendrix is affiliated with 1 site of care and 1 medical group
Dr. Hendrix's primary practice is Rockville Eye Associates in Rockville, Maryland. Dmand AI also links Dr. Hendrix to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark A. Hendrix's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hendrix practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rockville Eye Associates | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark A. Hendrix is one of 471 ophthalmologists in Maryland
Ophthalmology is Dr. Hendrix's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Hendrix is licensed in Maryland.
Specialties and state licenses
- Ophthalmology, MarylandPrimary
Ophthalmologists near Dr. Hendrix
Counts of ophthalmologists 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 A. Hendrix billed Medicare for 6,044 services in 2024
CMS data shows 6,044 Medicare services from Dr. Hendrix across 18 procedure codes in 2024, for 1,372 Medicare patients. Medicare paid $307,491 for them. Every service was in an office.
Dr. Hendrix's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 5,7942024: 5,8371%
- Surgery
- 2023: 1132024: 1084%
- Imaging
- 2023: 982024: 991%
Dr. Hendrix compared with the Maryland median for ophthalmologists, 2024
- Dr. Hendrix
- Maryland median
- Medicare services
- 6,044vs 1,3884.4 times
- Medicare patients
- 1,372vs 6232.2 times
- Part D claims
- 1,274vs 3803.4 times
Medians across 487 ophthalmologists in Maryland with Dmand AI profiles that report each measure.
Dr. Hendrix'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hendrix and other ophthalmologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark A. Hendrix treated 1,372 Medicare patients in 2024, average age 78
CMS counts 1,372 Medicare patients who saw Dr. Hendrix in 2024. The largest group is 75 to 84, with 579 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 13% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hendrix's median patient age at 73, with 60% women.
Dr. Hendrix's Medicare patients by age, 2024
Dr. Hendrix's Medicare patients by sex, 2024
- Women85863%
- Men51437%
Chronic conditions among Dr. Hendrix's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis43%
- Diabetes30%
- Ischemic heart disease26%
- Osteoporosis22%
- Chronic kidney disease18%
- Anxiety17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hendrix's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark A. Hendrix wrote 1,370 Medicare Part D claims in 2024
In 2024, Dr. Hendrix wrote 1,370 Medicare Part D claims for 364 patients. 58% of them were for generic drugs. CMS names the drug for 1,274 of them, across 22 drugs with 11 or more claims each, at $339,665 in total drug cost. In 2023, CMS named 1,145 claims across 22 drugs.
Dr. Hendrix's Part D claims by kind of drug, 2024
- Generic793 claims58%
- Brand-name577 claims42%
Dr. Hendrix'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 Dr. Hendrix's Part D claims, 2024
- Antibiotics2%22 of 1,370 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,1452024: 1,27411%
Drugs named by CMS: 22 in 2024, 22 in 2023.
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 A. Hendrix scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Hendrix for performance year 2024, reported as part of a group. Dr. Hendrix accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 88 procedures of cataract surgery by Dr. Hendrix, more than 72% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Hendrix's MIPS scores, performance year 2024
- 85of 100Final score
- 86.7of 100Quality
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Hendrix ranks in Medicare procedure volume
- Cataract surgery
- 72nd percentile88 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 A. Hendrix received $653 in industry payments from 2016 to 2024
CMS Open Payments shows 25 general payments to Dr. Hendrix from 8 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 75% of the total. Allergan Inc. paid the most, $185.
General payments to Dr. Hendrix by program year, 2016 to 2024
General payments to Dr. Hendrix by kind, 2016 to 2024
- Food and beverage$49075%
- Education$12419%
- Gifts$396%
Companies that paid Dr. Hendrix the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark A. Hendrix graduated from Georgetown University School of Medicine
Dr. Hendrix graduated from Georgetown University School of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark A. Hendrix'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 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 A. Hendrix
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 A. Hendrix's NPI number?
Dr. Mark A. Hendrix's NPI number is 1043219124. It was assigned on July 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark A. Hendrix?
Dr. Mark A. Hendrix is an ophthalmologist in Rockville, Maryland. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Mark A. Hendrix practice?
Dr. Hendrix practices at 3204 Tower Oaks Blvd Suite 300 Suite 300, Rockville, MD 20852-4250. Dr. Hendrix's primary practice is Rockville Eye Associates in Rockville, Maryland. Dmand AI also links Dr. Hendrix to 1 medical group.
What is Dr. Mark A. Hendrix's office phone number?
The practice phone on file for Dr. Hendrix is (301) 231-5088.
What is Dr. Mark A. Hendrix's medical license number?
Dr. Hendrix holds Maryland license D46085.
Does Dr. Mark A. Hendrix accept Medicare?
Yes. CMS data shows Dr. Hendrix billed Medicare for 6,044 services in 2024, and Dr. Hendrix accepts Medicare assignment.
What is Dr. Mark A. Hendrix's MIPS score?
Dr. Hendrix's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mark A. Hendrix see?
CMS counts 1,372 Medicare patients who saw Dr. Hendrix in 2024, with an average age of 78.
What services does Dr. Mark A. Hendrix bill to Medicare?
In 2024, Dr. Hendrix's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and eye exam or test (92083).
Where did Dr. Mark A. Hendrix go to medical school?
Dr. Hendrix graduated from Georgetown University School of Medicine in 1990.
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What drugs does Dr. Mark A. Hendrix prescribe most?
In 2024 Medicare Part D data, Dr. Hendrix's most prescribed drugs by claims were Latanoprost, Restasis and Timolol Maleate.
Has Dr. Mark A. Hendrix received payments from drug or device companies?
CMS Open Payments shows $653 in general payments to Dr. Hendrix from 8 companies from 2016 to 2024. The largest total came from Allergan Inc.
How long has Dr. Mark A. Hendrix been practicing?
Dr. Hendrix graduated from medical school in 1990, 36 years ago.
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