Dr. John Zachary Hughes, MD, MPH
- Medicare services, 2024
- 1,349
- Medicare patients, 2024
- 355
- Part D claims, 2024
- 3,903
- MIPS score, 2024
- 87
- Hospital affiliations
- 3
- Practice address
- 6856 Eastern NW Ave, Washington, DC 20012
- Practice phone
- Call (202) 829-1719
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Specialty Home Care
Washington, District of Columbia
Find Dr. Hughes' professional email, personal email and mobile number
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Dr. John Zachary Hughes is an internist in Washington, District of Columbia
Dr. Hughes practices at Specialty Home Care in Washington, District of Columbia.
Dr. Hughes' NPI, 1194256297, was assigned on March 21, 2017. Dr. Hughes graduated from Drexel University College of Medicine in 2017. Dr. Hughes holds District of Columbia license MD048395.
- NPI
- 1194256297NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234400920
- NPI enumeration date
- March 21, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (202) 829-1719
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Zachary Hughes practices at Specialty Home Care in Washington, District of Columbia
Dr. Hughes' primary practice is Specialty Home Care, at 6856 Eastern NW Ave, Washington, DC 20012 in District Of Columbia County. The practice phone is (202) 829-1719.
- Specialty Home Care6856 Eastern NW Ave, Washington, DC 20012 · District Of Columbia CountyPhone(202) 829-1719
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Zachary Hughes is affiliated with 7 sites of care and 1 medical group
Dr. Hughes' primary practice is Specialty Home Care in Washington, District of Columbia. Dr. Hughes is also affiliated with Sibley Memorial Hospital. The medical group on file is Johns Hopkins Community Physicians. Dmand AI also links Dr. Hughes to 2 more hospitals, 2 home health agencies and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Zachary Hughes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hughes practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Specialty Home Care | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Zachary Hughes is one of 660 internists in District of Columbia
Internal medicine is Dr. Hughes' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hughes is licensed in District of Columbia.
Specialties and state licenses
- Internal medicine, District of ColumbiaPrimary
Internists near Dr. Hughes
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. John Zachary Hughes billed Medicare for 1,349 services in 2024
CMS data shows 1,349 Medicare services from Dr. Hughes across 11 procedure codes in 2024, for 355 Medicare patients. Medicare paid $133,918 for them. Every service was in an office.
Dr. Hughes' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7642024: 8319%
- Other services
- 2023: 3232024: 3292%
- Tests and treatments
- 2023: 1352024: 1404%
- Lab and pathology
- 2023: 292024: 4969%
Dr. Hughes compared with the District of Columbia median for internists, 2024
- Dr. Hughes
- District of Columbia median
- Medicare services
- 1,349vs 3543.8 times
- Medicare patients
- 355vs 1532.3 times
- Part D claims
- 3,211vs 11029.2 times
Medians across 591 internists in District of Columbia with Dmand AI profiles that report each measure.
Dr. Hughes' 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. Hughes and other internists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Zachary Hughes treated 355 Medicare patients in 2024, average age 77
CMS counts 355 Medicare patients who saw Dr. Hughes in 2024. The largest group is 75 to 84, with 166 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hughes' median patient age at 71, with 55% women.
Dr. Hughes' Medicare patients by age, 2024
Dr. Hughes' Medicare patients by sex, 2024
- Women19956%
- Men15644%
Chronic conditions among Dr. Hughes' Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis49%
- Cancer28%
- Ischemic heart disease28%
- Chronic kidney disease23%
- Osteoporosis23%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hughes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Zachary Hughes wrote 3,903 Medicare Part D claims in 2024
In 2024, Dr. Hughes wrote 3,903 Medicare Part D claims for 463 patients. 90% of them were for generic drugs. CMS names the drug for 3,211 of them, across 73 drugs with 11 or more claims each, at $255,551 in total drug cost. In 2023, CMS named 2,471 claims across 70 drugs.
Dr. Hughes' Part D claims by kind of drug, 2024
- Generic3,504 claims90%
- Brand-name and other399 claims10%
Dr. Hughes' 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. Hughes' Part D claims, 2024
- Opioids1%42 of 3,903 claims
- Antibiotics2%88 of 3,903 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: 2,4712024: 3,21130%
Drugs named by CMS: 73 in 2024, 70 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. John Zachary Hughes scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Hughes for performance year 2024, reported as part of a group. Dr. Hughes accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hughes as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Hughes' MIPS scores, performance year 2024
- 87of 100Final score
- 80.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 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. John Zachary Hughes received $1,116 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Hughes from 1 drug or device company in 2019. Education make up the largest share, 100% of the total. Mid-Atlantic Surgical Systems, LLC paid the most, $1,116.
Companies that paid Dr. Hughes the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Zachary Hughes graduated from Drexel University College of Medicine
Dr. Hughes graduated from Drexel University College of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Zachary Hughes'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) |
| 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. John Zachary Hughes
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. John Zachary Hughes' NPI number?
Dr. John Zachary Hughes' NPI number is 1194256297. It was assigned on March 21, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. John Zachary Hughes?
Dr. John Zachary Hughes is an internist in Washington, District of Columbia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John Zachary Hughes practice?
Dr. Hughes practices at 6856 Eastern NW Ave, Washington, DC 20012. Dr. Hughes' primary practice is Specialty Home Care in Washington, District of Columbia. Dmand AI also links Dr. Hughes to 2 hospitals, 2 home health agencies and 1 group practice or clinic.
What is Dr. John Zachary Hughes' office phone number?
The practice phone on file for Dr. Hughes is (202) 829-1719.
What is Dr. John Zachary Hughes' medical license number?
Dr. Hughes holds District of Columbia license MD048395.
Which hospitals is Dr. John Zachary Hughes affiliated with?
Dr. Hughes is affiliated with Sibley Memorial Hospital. Dmand AI links Dr. Hughes to 2 more hospitals.
What medical group is Dr. John Zachary Hughes part of?
Dr. Hughes is linked to Johns Hopkins Community Physicians.
Does Dr. John Zachary Hughes accept Medicare?
Yes. CMS data shows Dr. Hughes billed Medicare for 1,349 services in 2024, and Dr. Hughes accepts Medicare assignment.
Does Dr. John Zachary Hughes offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hughes as offering telehealth services.
What is Dr. John Zachary Hughes' MIPS score?
Dr. Hughes' MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
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How many Medicare patients does Dr. John Zachary Hughes see?
CMS counts 355 Medicare patients who saw Dr. Hughes in 2024, with an average age of 77.
What services does Dr. John Zachary Hughes bill to Medicare?
In 2024, Dr. Hughes' most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. John Zachary Hughes go to medical school?
Dr. Hughes graduated from Drexel University College of Medicine in 2017.
What drugs does Dr. John Zachary Hughes prescribe most?
In 2024 Medicare Part D data, Dr. Hughes' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. John Zachary Hughes received payments from drug or device companies?
CMS Open Payments shows $1,116 in general payments to Dr. Hughes from 1 company from 2019 to 2019. The largest total came from Mid-Atlantic Surgical Systems, LLC.
How long has Dr. John Zachary Hughes been practicing?
Dr. Hughes graduated from medical school in 2017, 9 years ago.
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