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Dr. Edward William Schaefer Jr., MD
NPI1275507444PAC ID9537217146
- Medicare services, 2024
- 1,352
- Medicare patients, 2024
- 325
- Part D claims, 2024
- 822
- Publications
- 1
- MIPS score, 2024
- 22
- Practice address
- 10910 Little Patuxent Pkwy, Columbia, MD 21044
- Practice phone
- Call (410) 740-3635
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Howard County Center for Lung and Sleep Medicine
Columbia, Maryland
Find Dr. Schaefer's professional email, personal email and mobile number
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Dr. Edward William Schaefer Jr. is a pulmonologist in Columbia, Maryland
Dr. Schaefer practices at Howard County Center for Lung and Sleep Medicine in Columbia, Maryland.
Dr. Schaefer's NPI, 1275507444, was assigned on February 15, 2006. Dr. Schaefer graduated from Johns Hopkins University School of Medicine in 1975. Dr. Schaefer holds Maryland license D18457.
NPI and contact details
- NPI
- 1275507444NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537217146
- NPI enumeration date
- February 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 740-3635
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Edward William Schaefer Jr. practices at Howard County Center for Lung and Sleep Medicine in Columbia, Maryland
Dr. Schaefer's primary practice is Howard County Center for Lung and Sleep Medicine, at 10910 Little Patuxent Pkwy, Columbia, MD 21044 in Howard County. The practice phone is (410) 740-3635.
- Howard County Center for Lung and Sleep Medicine10910 Little Patuxent Pkwy, Columbia, MD 21044 · Howard CountyPhone(410) 740-3635
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Edward William Schaefer Jr. is affiliated with 4 sites of care and 2 medical groups
Dr. Schaefer's primary practice is Howard County Center for Lung and Sleep Medicine in Columbia, Maryland. Dr. Schaefer is also affiliated with Johns Hopkins Howard County Medical Center. The medical group on file is Howard County Center for Lung and Sleep Medicine. Dmand AI also links Dr. Schaefer to 2 more group practices and clinics and 1 medical group, each named with a free account.
Howard County Center for Lung and Sleep MedicinePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Edward William Schaefer Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schaefer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Howard County Center for Lung and Sleep Medicine | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Edward William Schaefer Jr. is one of 281 pulmonologists in Maryland
Pulmonary disease is Dr. Schaefer's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Schaefer is licensed in Maryland.
Specialties and state licenses
- Pulmonary disease, MarylandPrimary
Pulmonologists near Dr. Schaefer
Counts of pulmonologists 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. Edward William Schaefer Jr. billed Medicare for 1,352 services in 2024
CMS data shows 1,352 Medicare services from Dr. Schaefer across 14 procedure codes in 2024, for 325 Medicare patients. Medicare paid $93,846 for them. Every service was in an office.
Medicare services, 20241,352
Medicare patients325
Paid by Medicare$93,846
Procedure codes14
Dr. Schaefer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 5742024: 80039%
- Office and hospital visits
- 2023: 5832024: 5525%
Dr. Schaefer compared with the Maryland median for pulmonologists, 2024
- Dr. Schaefer
- Maryland median
- Medicare services
- 1,352vs 5922.3 times
- Medicare patients
- 325vs 313Close to median
- Part D claims
- 671vs 3342.0 times
Medians across 264 pulmonologists in Maryland with Dmand AI profiles that report each measure.
Dr. Schaefer'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. Edward William Schaefer Jr. treated 325 Medicare patients in 2024, average age 76
CMS counts 325 Medicare patients who saw Dr. Schaefer in 2024. The largest group is 65 to 74, with 139 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Schaefer's median patient age at 59, with 44% women.
Medicare patients, 2024325
Average age76
Average risk score1.41
Also on Medicaid8%
Dr. Schaefer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Schaefer's Medicare patients by sex, 2024
- Women17855%
- Men14745%
Chronic conditions among Dr. Schaefer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- COPD40%
- Diabetes36%
- Ischemic heart disease34%
- Asthma28%
- Mood disorders28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Schaefer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women44%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Edward William Schaefer Jr. wrote 822 Medicare Part D claims in 2024
In 2024, Dr. Schaefer wrote 822 Medicare Part D claims for 144 patients. 38% of them were for generic drugs. CMS names the drug for 671 of them, across 17 drugs with 11 or more claims each, at $738,151 in total drug cost. In 2023, CMS named 689 claims across 20 drugs.
Part D claims, 2024822
Drugs named by CMS17
Total drug cost$738,151
Part D patients144
Dr. Schaefer's Part D claims by kind of drug, 2024
- Generic313 claims38%
- Brand-name509 claims62%
Dr. Schaefer'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.
Drug classes CMS tracks in Dr. Schaefer's Part D claims, 2024
- Antibiotics4%35 of 822 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: 6892024: 6713%
Drugs named by CMS: 17 in 2024, 20 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. Edward William Schaefer Jr. scored 22 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 22 out of 100 for Dr. Schaefer for performance year 2024, reported individually. Dr. Schaefer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Schaefer's MIPS scores, performance year 2024
- 22of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 73of 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. Edward William Schaefer Jr. has 1 publication on record
Dmand AI links 1 paper to Dr. Schaefer in 2014. Dr. Schaefer's most frequent co-author is David Ogola Nyanjom, MD.
Papers1
Dr. Schaefer's most frequent co-authors
Recent publications by Dr. Schaefer
See who Dr. Schaefer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Schaefer works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Edward William Schaefer Jr. received $19,963 in industry payments from 2016 to 2025
CMS Open Payments shows 978 general payments to Dr. Schaefer from 49 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. GlaxoSmithKline, LLC. paid the most, $3,438.
General payments to Dr. Schaefer by program year, 2016 to 2025
General payments to Dr. Schaefer by kind, 2016 to 2025
$20Kin total
- Food and beverage$19,56598%
- Education$3982%
Companies that paid Dr. Schaefer the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Edward William Schaefer Jr. graduated from Johns Hopkins University School of Medicine
Dr. Schaefer graduated from Johns Hopkins University School of Medicine in 1975.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Edward William Schaefer Jr.'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. Edward William Schaefer Jr.
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. Edward William Schaefer Jr.'s NPI number?
Dr. Edward William Schaefer Jr.'s NPI number is 1275507444. It was assigned on February 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Edward William Schaefer Jr.?
Dr. Edward William Schaefer Jr. is a pulmonologist in Columbia, Maryland. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Edward William Schaefer Jr. practice?
Dr. Schaefer practices at 10910 Little Patuxent Pkwy, Columbia, MD 21044. Dr. Schaefer's primary practice is Howard County Center for Lung and Sleep Medicine in Columbia, Maryland. Dmand AI also links Dr. Schaefer to 2 group practices and clinics and 1 medical group.
What is Dr. Edward William Schaefer Jr.'s office phone number?
The practice phone on file for Dr. Schaefer is (410) 740-3635.
What is Dr. Edward William Schaefer Jr.'s medical license number?
Dr. Schaefer holds Maryland license D18457.
Which hospitals is Dr. Edward William Schaefer Jr. affiliated with?
Dr. Schaefer is affiliated with Johns Hopkins Howard County Medical Center.
What medical group is Dr. Edward William Schaefer Jr. part of?
Dr. Schaefer is linked to Howard County Center for Lung and Sleep Medicine. Dmand AI links Dr. Schaefer to 1 more medical group.
Does Dr. Edward William Schaefer Jr. accept Medicare?
Yes. CMS data shows Dr. Schaefer billed Medicare for 1,352 services in 2024, and Dr. Schaefer accepts Medicare assignment.
What is Dr. Edward William Schaefer Jr.'s MIPS score?
Dr. Schaefer's MIPS final score for performance year 2024 is 22 out of 100, reported individually.
How many Medicare patients does Dr. Edward William Schaefer Jr. see?
CMS counts 325 Medicare patients who saw Dr. Schaefer in 2024, with an average age of 76.
Show 7 more questionsShow fewer questions
What services does Dr. Edward William Schaefer Jr. bill to Medicare?
In 2024, Dr. Schaefer's most billed Medicare services were office visit, established patient (99214), lung function service (94640) and lung function service (94060).
Where did Dr. Edward William Schaefer Jr. go to medical school?
Dr. Schaefer graduated from Johns Hopkins University School of Medicine in 1975.
What drugs does Dr. Edward William Schaefer Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Schaefer's most prescribed drugs by claims were Trelegy Ellipta, Albuterol Sulfate Hfa and Montelukast Sodium.
Has Dr. Edward William Schaefer Jr. received payments from drug or device companies?
CMS Open Payments shows $19,963 in general payments to Dr. Schaefer from 49 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Edward William Schaefer Jr. been practicing?
Dr. Schaefer graduated from medical school in 1975, 51 years ago.
Does Dr. Edward William Schaefer Jr. do research?
Dmand AI links 1 publication to Dr. Schaefer.
Who does Dr. Edward William Schaefer Jr. publish with?
Dr. Schaefer's most frequent co-authors are David Ogola Nyanjom, MD (1 shared paper).
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