Dr. Mark H. Ratner, MD
- Medicare services, 2019
- 163
- Part D claims, 2019
- 406
- Industry payments
- $1,892
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 15225 Shady Grove Rd Ste 307 Suite 307, Rockville, MD 20850-3276
- Practice phone
- Call (301) 258-1919
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chesapeake Urology
Physician office · Rockville, Maryland
Find Dr. Ratner'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 H. Ratner is a urologist in Rockville, Maryland
Dr. Ratner practices at Chesapeake Urology in Rockville, Maryland.
Dr. Ratner's NPI, 1568544112, was assigned on October 20, 2006. Dr. Ratner holds Maryland license D0033617.
- NPI
- 1568544112NPI Registry (opens in a new tab)
- NPI enumeration date
- October 20, 2006
- NPI status
- Active
- Practice phone
- (301) 258-1919
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mark H. Ratner practices at 2 locations in Rockville, Maryland
Dr. Ratner's primary practice is Chesapeake Urology, at 15225 Shady Grove Rd Ste 307 Suite 307, Rockville, MD 20850-3276. The practice phone is (301) 258-1919. The NPI Registry lists Dr. Ratner's practice address as 9420 Key West Ave, Rockville, MD 20850.
- Chesapeake UrologyPrimary15225 Shady Grove Rd Ste 307 Suite 307, Rockville, MD 20850-3276Phone(301) 258-1919
- NPI Registry address9420 Key West Ave, Rockville, MD 20850Phone(301) 258-1919
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Mark H. Ratner is affiliated with 1 site of care
Dr. Ratner's primary practice is Chesapeake Urology in Rockville, Maryland.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark H. Ratner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ratner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chesapeake Urology | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark H. Ratner is one of 268 urologists in Maryland
Urology is Dr. Ratner's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Ratner is licensed in Maryland.
Specialties and state licenses
- Urology, MarylandPrimary
Urologists near Dr. Ratner
Counts of urologists 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 H. Ratner billed Medicare for 163 services in 2019
CMS data shows 163 Medicare services from Dr. Ratner across 4 procedure codes in 2019. Medicare paid $3,588 for them. Every service was in an office.
Dr. Ratner's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Lab and pathology
- 2018: 4792019: 7485%
- Office and hospital visits
- 2018: 5132019: 7386%
- Surgery
- 2018: 2512019: 1694%
- Drugs given in the office
- 2018: 962019: 0100%
- Imaging
- 2018: 1002019: 0100%
- Tests and treatments
- 2018: 612019: 0100%
Dr. Ratner compared with the Maryland median for urologists, 2019
- Dr. Ratner
- Maryland median
- Medicare services
- 163vs 2,52294% below
- Part D claims
- 406vs 60032% below
Medians across 265 urologists in Maryland with Dmand AI profiles that report each measure.
Dr. Ratner's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ratner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ratner and other urologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark H. Ratner's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Ratner's median patient age at 70, with 3% women.
Dr. Ratner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women3%
- Men97%
Source: Dmand AI Patient Panel Data
Dr. Mark H. Ratner wrote 406 Medicare Part D claims in 2019
In 2019, Dr. Ratner wrote 406 Medicare Part D claims. They cover 8 drugs, with $542,536 in total drug cost. In 2018, CMS named 752 claims across 16 drugs.
Dr. Ratner's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 7522019: 40646%
Drugs named by CMS: 8 in 2019, 16 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Mark H. Ratner received $1,892 in industry payments from 2016 to 2021
CMS Open Payments shows 76 general payments to Dr. Ratner from 22 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 93% of the total. Astellas Pharma US Inc paid the most, $471.
General payments to Dr. Ratner by program year, 2016 to 2021
General payments to Dr. Ratner by kind, 2016 to 2021
- Food and beverage$1,75793%
- Education$1357%
Companies that paid Dr. Ratner the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark H. Ratner'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 H. Ratner
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 H. Ratner's NPI number?
Dr. Mark H. Ratner's NPI number is 1568544112. It was assigned on October 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark H. Ratner?
Dr. Mark H. Ratner is a urologist in Rockville, Maryland. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Mark H. Ratner practice?
Dr. Ratner practices at 15225 Shady Grove Rd Ste 307 Suite 307, Rockville, MD 20850-3276. Dr. Ratner also practices at 9420 Key West Ave, Rockville, MD 20850. Dr. Ratner's primary practice is Chesapeake Urology in Rockville, Maryland.
What is Dr. Mark H. Ratner's office phone number?
The practice phone on file for Dr. Ratner is (301) 258-1919.
What is Dr. Mark H. Ratner's medical license number?
Dr. Ratner holds Maryland license D0033617.
Does Dr. Mark H. Ratner accept Medicare?
Yes. CMS data shows Dr. Ratner billed Medicare for 163 services in 2019.
What services does Dr. Mark H. Ratner bill to Medicare?
In 2019, Dr. Ratner's most billed Medicare services were lab and pathology test (81003), office visit, established patient (99213) and office visit, established patient (99214).
What drugs does Dr. Mark H. Ratner prescribe most?
In 2019 Medicare Part D data, Dr. Ratner's most prescribed drugs by claims were Finasteride, Tamsulosin HCl and Xtandi.
Has Dr. Mark H. Ratner received payments from drug or device companies?
CMS Open Payments shows $1,892 in general payments to Dr. Ratner from 22 companies from 2016 to 2021. The largest total came from Astellas Pharma US Inc.
How long has Dr. Mark H. Ratner been practicing?
Dr. Ratner's NPI was assigned in 2006.
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