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Dr. Christopher J. Welsh, MD
NPI1215943410PAC ID5597828657
- Medicare services, 2024
- 80
- Medicare patients, 2024
- 36
- Part D claims, 2024
- 690
- Publications
- 50
- Hospital affiliations
- 2
- Practice address
- 22 South Greene Street, Baltimore, MD 21201
- Practice phone
- Call (410) 328-8667
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Welsh'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. Christopher J. Welsh is a psychiatrist in Baltimore, Maryland
Dr. Welsh practices at University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.
Dr. Welsh's NPI, 1215943410, was assigned on July 31, 2006. Dr. Welsh graduated from University of Maryland School of Medicine in 1993. Dr. Welsh holds Maryland license D0051661.
NPI and contact details
- NPI
- 1215943410NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597828657
- NPI enumeration date
- July 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (410) 328-8667
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher J. Welsh practices at University of Maryland Medical Center in Baltimore, Maryland
Dr. Welsh's primary practice is University of Maryland Medical Center, at 22 South Greene Street, Baltimore, MD 21201 in Baltimore City. The practice phone is (410) 328-8667.
- University of Maryland Medical Center22 South Greene Street, Baltimore, MD 21201 · Baltimore CityPhone(410) 328-8667
Source: Dmand AI Affiliation Data
Dr. Christopher J. Welsh is affiliated with 3 sites of care and 1 medical group
Dr. Welsh's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. Dr. Welsh is also affiliated with University of Maryland Medical Center Midtown Campus. The medical group on file is University of Maryland Psychiatry Associates, P.A. Dmand AI also links Dr. Welsh to 1 more group practice or clinic, named with a free account.
University of Maryland Medical Center Midtown CampusUniversity of Maryland Psychiatry Associates, P.A.1 group practice or clinicName with a free account
See all 4 affiliations for Dr. WelshSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher J. Welsh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Welsh practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Maryland Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher J. Welsh is one of 901 psychiatrists in Maryland
Psychiatry is Dr. Welsh's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Welsh is licensed in Maryland.
Specialties and state licenses
- Psychiatry, MarylandPrimary
Psychiatrists near Dr. Welsh
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
901psychiatrists in Maryland244psychiatrists in Baltimore40psychiatrists at University of Maryland Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Christopher J. Welsh billed Medicare for 80 services in 2024
CMS data shows 80 Medicare services from Dr. Welsh across 2 procedure codes in 2024, for 36 Medicare patients. Medicare paid $5,786 for them.
Medicare services, 202480
Medicare patients36
Paid by Medicare$5,786
Procedure codes2
Dr. Welsh's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 522024: 8054%
Where Dr. Welsh's Medicare services took place, 2024
- In an office2633%
- In a facility5468%
Dr. Welsh compared with the Maryland median for psychiatrists, 2024
- Dr. Welsh
- Maryland median
- Medicare services
- 80vs 18857% below
- Medicare patients
- 36vs 5332% below
- Part D claims
- 618vs 1165.3 times
Medians across 1,014 psychiatrists in Maryland with Dmand AI profiles that report each measure.
Dr. Welsh'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher J. Welsh treated 36 Medicare patients in 2024, average age 61
CMS counts 36 Medicare patients who saw Dr. Welsh in 2024. The largest group is under 65, with 17 patients. 75% of them have alcohol and drug use disorders, and 75% have anxiety. 69% are also on Medicaid. Their average risk score is 2.27, 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. Welsh's median patient age at 54, with 57% women.
Medicare patients, 202436
Average age61
Average risk score2.27
Also on Medicaid69%
Dr. Welsh's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Welsh's Medicare patients by sex, 2024
- Women1747%
- Men1953%
Chronic conditions among Dr. Welsh's Medicare patients, 2024
- Alcohol and drug use disorders75%
- Anxiety75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
- Depression67%
- Tobacco use47%
- Bipolar disorder44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Welsh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women57%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher J. Welsh wrote 690 Medicare Part D claims in 2024
In 2024, Dr. Welsh wrote 690 Medicare Part D claims for 36 patients. 64% of them were for generic drugs. CMS names the drug for 618 of them, across 15 drugs with 11 or more claims each, at $252,621 in total drug cost. In 2023, CMS named 615 claims across 13 drugs.
Part D claims, 2024690
Drugs named by CMS15
Total drug cost$252,621
Part D patients36
Dr. Welsh's Part D claims by kind of drug, 2024
- Generic445 claims64%
- Brand-name245 claims36%
Dr. Welsh'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6152024: 618No change
Drugs named by CMS: 15 in 2024, 13 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 J. Welsh offers telehealth to Medicare patients
Dr. Welsh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Welsh as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Christopher J. Welsh has 50 publications on record
Dmand AI links 50 papers to Dr. Welsh, published from 2002 to 2024. 2021 was the busiest year, with 5. The most frequent topics are Substance-Related Disorders, Analgesics, Opioid and Opioid-Related Disorders. Dr. Welsh has published most often in Am J Addict. Dr. Welsh's most frequent co-authors are Eric Weintraub, Seth Scott Himelhoch, MD, MPH and Aaron David Greenblatt, MD.
Papers50
Years published2002 to 2024
Dr. Welsh's papers by year, 2015 to 2024
Topics Dr. Welsh writes about most
- Substance-Related Disorders
- Analgesics, Opioid
- Opioid-Related Disorders
- Opiate Substitution Treatment
- Maryland
- Buprenorphine
- Methadone
- Drug Overdose
Dr. Welsh's most frequent co-authors
- Eric Weintraub7 shared papers
- Seth Scott Himelhoch, MD, MPH6 shared papers
- Aaron David Greenblatt, MD5 shared papers
Recent publications by Dr. Welsh
Addict Sci Clin Pract
ComorbidityPatient NavigationPatient Readmission
Subst Use Addctn J
Analgesics, OpioidFocus GroupsHealth Services Accessibility
Analgesics, OpioidDrug OverdoseHarm Reduction
See who Dr. Welsh researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Welsh works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christopher J. Welsh received $199 in industry payments from 2016 to 2019
CMS Open Payments shows 5 general payments to Dr. Welsh from 3 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Biodelivery Sciences International, Inc. paid the most, $125.
General payments to Dr. Welsh by program year, 2016 to 2019
Companies that paid Dr. Welsh the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher J. Welsh graduated from University of Maryland School of Medicine
Dr. Welsh graduated from University of Maryland School of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher J. Welsh'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) |
| 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 J. Welsh
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 J. Welsh's NPI number?
Dr. Christopher J. Welsh's NPI number is 1215943410. It was assigned on July 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher J. Welsh?
Dr. Christopher J. Welsh is a psychiatrist in Baltimore, Maryland. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Christopher J. Welsh practice?
Dr. Welsh practices at 22 South Greene Street, Baltimore, MD 21201. Dr. Welsh's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. Dmand AI also links Dr. Welsh to 1 group practice or clinic.
What is Dr. Christopher J. Welsh's office phone number?
The practice phone on file for Dr. Welsh is (410) 328-8667.
What is Dr. Christopher J. Welsh's medical license number?
Dr. Welsh holds Maryland license D0051661.
Which hospitals is Dr. Christopher J. Welsh affiliated with?
Dr. Welsh practices at University of Maryland Medical Center in Baltimore, Maryland. Dr. Welsh is also affiliated with University of Maryland Medical Center Midtown Campus.
What medical group is Dr. Christopher J. Welsh part of?
Dr. Welsh is linked to University of Maryland Psychiatry Associates, P.A.
Does Dr. Christopher J. Welsh accept Medicare?
Yes. CMS data shows Dr. Welsh billed Medicare for 80 services in 2024, and Dr. Welsh accepts Medicare assignment.
Does Dr. Christopher J. Welsh offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Welsh as offering telehealth services.
How many Medicare patients does Dr. Christopher J. Welsh see?
CMS counts 36 Medicare patients who saw Dr. Welsh in 2024, with an average age of 61.
Show 7 more questionsShow fewer questions
What services does Dr. Christopher J. Welsh bill to Medicare?
In 2024, Dr. Welsh's most billed Medicare services were office visit, established patient (99214) and hospital inpatient care (99232).
Where did Dr. Christopher J. Welsh go to medical school?
Dr. Welsh graduated from University of Maryland School of Medicine in 1993.
What drugs does Dr. Christopher J. Welsh prescribe most?
In 2024 Medicare Part D data, Dr. Welsh's most prescribed drugs by claims were Suboxone, Buprenorphine-Naloxone and Bupropion XL.
Has Dr. Christopher J. Welsh received payments from drug or device companies?
CMS Open Payments shows $199 in general payments to Dr. Welsh from 3 companies from 2016 to 2019. The largest total came from Biodelivery Sciences International, Inc.
How long has Dr. Christopher J. Welsh been practicing?
Dr. Welsh graduated from medical school in 1993, 33 years ago.
Does Dr. Christopher J. Welsh do research?
Dmand AI links 50 publications to Dr. Welsh, published from 2002 to 2024.
Who does Dr. Christopher J. Welsh publish with?
Dr. Welsh's most frequent co-authors are Eric Weintraub (7 shared papers), Seth Scott Himelhoch, MD, MPH (6 shared papers) and Aaron David Greenblatt, MD (5 shared papers).
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