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Dr. Daniel Jay Wallach, MD
NPI1457741365PAC ID8628315645
- Medicare services, 2024
- 505
- Medicare patients, 2024
- 197
- Part D claims, 2024
- 138
- Publications
- 1
- MIPS score, 2024
- 82
- Practice address
- 110 Irving Street NW, Washington, DC 20010
- Practice phone
- Call (202) 877-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Wallach's professional email, personal email and mobile number
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Dr. Daniel Jay Wallach is an internist in Washington, District of Columbia
Dr. Wallach practices at MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health.
Dr. Wallach's NPI, 1457741365, was assigned on January 30, 2015. Dr. Wallach graduated from Northwestern University Feinberg Medical School in 2015. Dr. Wallach holds District of Columbia license MD046458.
NPI and contact details
- NPI
- 1457741365NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628315645
- NPI enumeration date
- January 30, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (202) 877-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel Jay Wallach practices at MedStar Washington Hospital Center in Washington, District of Columbia
Dr. Wallach's primary practice is MedStar Washington Hospital Center, at 110 Irving Street NW, Washington, DC 20010 in The District County. The practice phone is (202) 877-7000.
- MedStar Washington Hospital Center110 Irving Street NW, Washington, DC 20010 · The District CountyPhone(202) 877-7000
Source: Dmand AI Affiliation Data
Dr. Daniel Jay Wallach is affiliated with 1 site of care and 2 medical groups
Dr. Wallach's primary practice is MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Wallach to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Daniel Jay Wallach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wallach practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MedStar Washington Hospital Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Daniel Jay Wallach is one of 660 internists in District of Columbia
Internal medicine is Dr. Wallach's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Wallach is licensed in District of Columbia.
Specialties and state licenses
- Internal medicine, District of ColumbiaPrimary
Internists near Dr. Wallach
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
660internists in District of Columbia660internists in Washington106internists at MedStar Washington Hospital Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Daniel Jay Wallach billed Medicare for 505 services in 2024
CMS data shows 505 Medicare services from Dr. Wallach across 3 procedure codes in 2024, for 197 Medicare patients. Medicare paid $55,998 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024505
Medicare patients197
Paid by Medicare$55,998
Procedure codes3
Dr. Wallach's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8272024: 50539%
Dr. Wallach compared with the District of Columbia median for internists, 2024
- Dr. Wallach
- District of Columbia median
- Medicare services
- 505vs 35443% above
- Medicare patients
- 197vs 15329% above
- Part D claims
- 28vs 11075% below
Medians across 591 internists in District of Columbia with Dmand AI profiles that report each measure.
Dr. Wallach'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. Wallach 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. Daniel Jay Wallach treated 197 Medicare patients in 2024, average age 73
CMS counts 197 Medicare patients who saw Dr. Wallach in 2024. The largest group is 65 to 74, with 66 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 57% are also on Medicaid. Their average risk score is 3.10, 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. Wallach's median patient age at 62, with 44% women.
Medicare patients, 2024197
Average age73
Average risk score3.10
Also on Medicaid57%
Dr. Wallach's Medicare patients by age, 2024
Dr. Wallach's Medicare patients by sex, 2024
- Women11257%
- Men8543%
Chronic conditions among Dr. Wallach's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes63%
- Chronic kidney disease62%
- Arthritis58%
- Heart failure46%
- Ischemic heart disease46%
- Mood disorders43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wallach's 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
- Women44%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel Jay Wallach wrote 138 Medicare Part D claims in 2024
In 2024, Dr. Wallach wrote 138 Medicare Part D claims for 51 patients. 80% of them were for generic drugs. CMS names the drug for 28 of them, across 2 drugs with 11 or more claims each, at $202 in total drug cost. In 2017, CMS named 66 claims across 4 drugs.
Part D claims, 2024138
Drugs named by CMS2
Total drug cost$202
Part D patients51
Dr. Wallach's Part D claims by kind of drug, 2024
- Generic110 claims80%
- Brand-name and other28 claims20%
Dr. Wallach's most prescribed drugs by claims, 2018
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. Wallach's Part D claims, 2024
- Antibiotics9%12 of 138 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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 662018: 2858%
Drugs named by CMS: 2 in 2018, 4 in 2017.
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. Daniel Jay Wallach 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. Wallach for performance year 2024, reported as part of a group. Dr. Wallach accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Wallach's 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. Daniel Jay Wallach has 1 publication on record
Dmand AI links 1 paper to Dr. Wallach in 2020. Dr. Wallach's most frequent co-authors are Sheena K. Ramdeen, MD, Mishaal Talish, MD and Christian James Woods, MD.
Papers1
Dr. Wallach's most frequent co-authors
- Sheena K. Ramdeen, MD1 shared paper
- Mishaal Talish, MD1 shared paper
- Christian James Woods, MD1 shared paper
Recent publications by Dr. Wallach
See who Dr. Wallach researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wallach 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. Daniel Jay Wallach received $149 in industry payments from 2018 to 2025
CMS Open Payments shows 7 general payments to Dr. Wallach from 5 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $55.
General payments to Dr. Wallach by program year, 2018 to 2025
Companies that paid Dr. Wallach the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Daniel Jay Wallach graduated from Northwestern University Feinberg Medical School
Dr. Wallach graduated from Northwestern University Feinberg Medical School in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Daniel Jay Wallach'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) |
| 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. Daniel Jay Wallach
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. Daniel Jay Wallach's NPI number?
Dr. Daniel Jay Wallach's NPI number is 1457741365. It was assigned on January 30, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel Jay Wallach?
Dr. Daniel Jay Wallach 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. Daniel Jay Wallach practice?
Dr. Wallach practices at 110 Irving Street NW, Washington, DC 20010. Dr. Wallach's primary practice is MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health. Dmand AI also links Dr. Wallach to 1 medical group.
What is Dr. Daniel Jay Wallach's office phone number?
The practice phone on file for Dr. Wallach is (202) 877-7000.
What is Dr. Daniel Jay Wallach's medical license number?
Dr. Wallach holds District of Columbia license MD046458.
Which hospitals is Dr. Daniel Jay Wallach affiliated with?
Dr. Wallach practices at MedStar Washington Hospital Center in Washington, District of Columbia.
What medical group is Dr. Daniel Jay Wallach part of?
Dr. Wallach is linked to MedStar Medical Group. Dmand AI links Dr. Wallach to 1 more medical group.
Does Dr. Daniel Jay Wallach accept Medicare?
Yes. CMS data shows Dr. Wallach billed Medicare for 505 services in 2024, and Dr. Wallach accepts Medicare assignment.
What is Dr. Daniel Jay Wallach's MIPS score?
Dr. Wallach's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Dr. Daniel Jay Wallach see?
CMS counts 197 Medicare patients who saw Dr. Wallach in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. Daniel Jay Wallach bill to Medicare?
In 2024, Dr. Wallach's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).
Where did Dr. Daniel Jay Wallach go to medical school?
Dr. Wallach graduated from Northwestern University Feinberg Medical School in 2015.
What drugs does Dr. Daniel Jay Wallach prescribe most?
In 2018 Medicare Part D data, Dr. Wallach's most prescribed drugs by claims were Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Daniel Jay Wallach received payments from drug or device companies?
CMS Open Payments shows $149 in general payments to Dr. Wallach from 5 companies from 2018 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Daniel Jay Wallach been practicing?
Dr. Wallach graduated from medical school in 2015, 11 years ago.
Does Dr. Daniel Jay Wallach do research?
Dmand AI links 1 publication to Dr. Wallach.
Who does Dr. Daniel Jay Wallach publish with?
Dr. Wallach's most frequent co-authors are Sheena K. Ramdeen, MD (1 shared paper), Mishaal Talish, MD (1 shared paper) and Christian James Woods, MD (1 shared paper).
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