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Dr. Christopher John Mays, MD
NPI1053306829PAC ID3375504418
- Medicare services, 2024
- 2,385
- Medicare patients, 2024
- 519
- Part D claims, 2024
- 6,248
- Publications
- 1
- MIPS score, 2024
- 82
- Practice address
- 18111 Prince Philip Dr, Olney, MD 20832
- Practice phone
- Call (301) 698-9999
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Olney Center for Reconstructive Surgery, LLC
Olney, Maryland
Find Dr. Mays' 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. Christopher John Mays is an internist in Olney, Maryland
Dr. Mays practices at Olney Center for Reconstructive Surgery, LLC in Olney, Maryland.
Dr. Mays' NPI, 1053306829, was assigned on September 16, 2005. Dr. Mays graduated from University of Maryland School of Medicine in 1988. Dr. Mays holds Maryland license D0039793.
NPI and contact details
- NPI
- 1053306829NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375504418
- NPI enumeration date
- September 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (301) 698-9999
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher John Mays practices at Olney Center for Reconstructive Surgery, LLC in Olney, Maryland
Dr. Mays' primary practice is Olney Center for Reconstructive Surgery, LLC, at 18111 Prince Philip Dr, Olney, MD 20832 in Montgomery County. The practice phone is (301) 698-9999.
- Olney Center for Reconstructive Surgery, LLC18111 Prince Philip Dr, Olney, MD 20832 · Montgomery CountyPhone(301) 698-9999
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher John Mays is affiliated with 6 sites of care and 2 medical groups
Dr. Mays' primary practice is Olney Center for Reconstructive Surgery, LLC in Olney, Maryland. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Mays to 3 more home health agencies, 2 group practices and clinics and 1 medical group, each named with a free account.
Olney Center for Reconstructive Surgery, LLCPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Christopher John Mays' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mays practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Olney Center for Reconstructive Surgery, LLC | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher John Mays is one of 3,320 internists in Maryland
Internal medicine is Dr. Mays' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mays is board certified in internal medicine by the American Board of Internal Medicine. Dr. Mays is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Mays
Counts of internists 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. Christopher John Mays billed Medicare for 2,385 services in 2024
CMS data shows 2,385 Medicare services from Dr. Mays across 16 procedure codes in 2024, for 519 Medicare patients. Medicare paid $149,185 for them. Every service was in an office.
Medicare services, 20242,385
Medicare patients519
Paid by Medicare$149,185
Procedure codes16
Dr. Mays' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9622024: 9741%
- Other services
- 2023: 5662024: 96470%
- Tests and treatments
- 2023: 4852024: 43111%
- Lab and pathology
- 2023: 142024: 1614%
Dr. Mays compared with the Maryland median for internists, 2024
- Dr. Mays
- Maryland median
- Medicare services
- 2,385vs 6563.6 times
- Medicare patients
- 519vs 2512.1 times
- Part D claims
- 5,501vs 30917.8 times
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Mays' 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. Mays and other internists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher John Mays treated 519 Medicare patients in 2024, average age 76
CMS counts 519 Medicare patients who saw Dr. Mays in 2024. The largest group is 65 to 74, with 227 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mays' median patient age at 67, with 41% women.
Medicare patients, 2024519
Average age76
Average risk score0.96
Dr. Mays' Medicare patients by age, 2024
Dr. Mays' Medicare patients by sex, 2024
- Women23746%
- Men28254%
Chronic conditions among Dr. Mays' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis43%
- Ischemic heart disease29%
- Chronic kidney disease24%
- Diabetes24%
- Osteoporosis17%
- Anxiety15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mays' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women41%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher John Mays wrote 6,248 Medicare Part D claims in 2024
In 2024, Dr. Mays wrote 6,248 Medicare Part D claims for 551 patients. 89% of them were for generic drugs. CMS names the drug for 5,501 of them, across 117 drugs with 11 or more claims each, at $382,892 in total drug cost. In 2023, CMS named 4,283 claims across 101 drugs.
Part D claims, 20246,248
Drugs named by CMS117
Total drug cost$382,892
Part D patients551
Dr. Mays' Part D claims by kind of drug, 2024
- Generic5,571 claims89%
- Brand-name653 claims10%
- Other24 claims0%
Dr. Mays' 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. Mays' Part D claims, 2024
- Opioids1%86 of 6,248 claims
- Antibiotics2%102 of 6,248 claims
- Antipsychotics, patients 65 and over0%21 of 6,248 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: 4,2832024: 5,50128%
Drugs named by CMS: 117 in 2024, 101 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. Christopher John Mays scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Mays for performance year 2024, reported as part of a group. Dr. Mays accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mays as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Mays' MIPS scores, performance year 2024
- 82of 100Final score
- 67.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Christopher John Mays has 1 publication on record
Dmand AI links 1 paper to Dr. Mays in 2017. Dr. Mays' most frequent co-author is Bryce Xavier Bredell, MD.
Papers1
Dr. Mays' most frequent co-authors
Recent publications by Dr. Mays
See who Dr. Mays researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mays works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christopher John Mays received $21 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Mays from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $21.
Companies that paid Dr. Mays the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher John Mays graduated from University of Maryland School of Medicine
Dr. Mays graduated from University of Maryland School of Medicine in 1988.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher John Mays'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Christopher John Mays
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. Christopher John Mays' NPI number?
Dr. Christopher John Mays' NPI number is 1053306829. It was assigned on September 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher John Mays?
Dr. Christopher John Mays is an internist in Olney, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Christopher John Mays practice?
Dr. Mays practices at 18111 Prince Philip Dr, Olney, MD 20832. Dr. Mays' primary practice is Olney Center for Reconstructive Surgery, LLC in Olney, Maryland. Dmand AI also links Dr. Mays to 3 home health agencies, 2 group practices and clinics and 1 medical group.
What is Dr. Christopher John Mays' office phone number?
The practice phone on file for Dr. Mays is (301) 698-9999.
What is Dr. Christopher John Mays' medical license number?
Dr. Mays holds Maryland license D0039793.
What medical group is Dr. Christopher John Mays part of?
Dr. Mays is linked to MedStar Medical Group. Dmand AI links Dr. Mays to 1 more medical group.
Does Dr. Christopher John Mays accept Medicare?
Yes. CMS data shows Dr. Mays billed Medicare for 2,385 services in 2024, and Dr. Mays accepts Medicare assignment.
Does Dr. Christopher John Mays offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Mays as offering telehealth services.
What is Dr. Christopher John Mays' MIPS score?
Dr. Mays' MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Dr. Christopher John Mays see?
CMS counts 519 Medicare patients who saw Dr. Mays in 2024, with an average age of 76.
Show 8 more questionsShow fewer questions
Is Dr. Christopher John Mays board certified?
Yes. Dr. Mays is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Christopher John Mays bill to Medicare?
In 2024, Dr. Mays' most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Where did Dr. Christopher John Mays go to medical school?
Dr. Mays graduated from University of Maryland School of Medicine in 1988.
What drugs does Dr. Christopher John Mays prescribe most?
In 2024 Medicare Part D data, Dr. Mays' most prescribed drugs by claims were Rosuvastatin Calcium, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Christopher John Mays received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Dr. Mays from 1 company from 2024 to 2024. The largest total came from Astellas Pharma US Inc.
How long has Dr. Christopher John Mays been practicing?
Dr. Mays graduated from medical school in 1988, 38 years ago.
Does Dr. Christopher John Mays do research?
Dmand AI links 1 publication to Dr. Mays.
Who does Dr. Christopher John Mays publish with?
Dr. Mays' most frequent co-authors are Bryce Xavier Bredell, MD (1 shared paper).
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