Dr. Robert A. Loeb, MD
- Medicare services, 2024
- 2,188
- Medicare patients, 2024
- 1,453
- Part D claims, 2024
- 1,388
- Industry payments
- $1,809
- Affiliated sites
- 1
- Practice address
- 100 Park Ave, Baltimore, MD 21201
- Practice phone
- Call (410) 752-1677
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Barenburg Optical Service, Inc
Baltimore, Maryland
Find Dr. Loeb'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. Robert A. Loeb is an ophthalmologist in Baltimore, Maryland
Dr. Loeb practices at Barenburg Optical Service, Inc in Baltimore, Maryland.
Dr. Loeb's NPI, 1730110966, was assigned on July 5, 2006. Dr. Loeb graduated from University of Maryland School of Medicine in 1977. Dr. Loeb holds Maryland license D0022792.
- NPI
- 1730110966NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092855361
- NPI enumeration date
- July 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 752-1677
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert A. Loeb practices at Barenburg Optical Service, Inc in Baltimore, Maryland
Dr. Loeb's primary practice is Barenburg Optical Service, Inc, at 100 Park Ave, Baltimore, MD 21201 in Baltimore City. The practice phone is (410) 752-1677.
- Barenburg Optical Service, Inc100 Park Ave, Baltimore, MD 21201 · Baltimore CityPhone(410) 752-1677
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert A. Loeb is affiliated with 2 sites of care and 1 medical group
Dr. Loeb's primary practice is Barenburg Optical Service, Inc in Baltimore, Maryland. Dmand AI also links Dr. Loeb to 1 group practice or clinic and 1 medical group, 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. Robert A. Loeb's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Loeb practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Barenburg Optical Service, Inc | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert A. Loeb is one of 471 ophthalmologists in Maryland
Ophthalmology is Dr. Loeb's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Loeb is licensed in Maryland.
Specialties and state licenses
- Ophthalmology, MarylandPrimary
Ophthalmologists near Dr. Loeb
Counts of ophthalmologists 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. Robert A. Loeb billed Medicare for 2,188 services in 2024
CMS data shows 2,188 Medicare services from Dr. Loeb across 10 procedure codes in 2024, for 1,453 Medicare patients. Medicare paid $163,888 for them.
Dr. Loeb's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,3032024: 2,1108%
- Surgery
- 2023: 512024: 4120%
- Imaging
- 2023: 422024: 3712%
Where Dr. Loeb's Medicare services took place, 2024
- In an office2,14798%
- In a facility412%
Dr. Loeb compared with the Maryland median for ophthalmologists, 2024
- Dr. Loeb
- Maryland median
- Medicare services
- 2,188vs 1,38858% above
- Medicare patients
- 1,453vs 6232.3 times
- Part D claims
- 1,298vs 3803.4 times
Medians across 487 ophthalmologists in Maryland with Dmand AI profiles that report each measure.
Dr. Loeb'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.
Need commercial claims for Dr. Loeb?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Loeb and other ophthalmologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert A. Loeb treated 1,453 Medicare patients in 2024, average age 75
CMS counts 1,453 Medicare patients who saw Dr. Loeb in 2024. The largest group is 65 to 74, with 655 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Loeb's median patient age at 70, with 57% women.
Dr. Loeb's Medicare patients by age, 2024
Dr. Loeb's Medicare patients by sex, 2024
- Women87360%
- Men58040%
Chronic conditions among Dr. Loeb's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Diabetes41%
- Ischemic heart disease29%
- Anxiety25%
- Mood disorders25%
- Chronic kidney disease24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Loeb's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert A. Loeb wrote 1,388 Medicare Part D claims in 2024
In 2024, Dr. Loeb wrote 1,388 Medicare Part D claims for 384 patients. 79% of them were for generic drugs. CMS names the drug for 1,298 of them, across 10 drugs with 11 or more claims each, at $41,815 in total drug cost. In 2023, CMS named 1,144 claims across 10 drugs.
Dr. Loeb's Part D claims by kind of drug, 2024
- Generic1,090 claims79%
- Brand-name298 claims21%
Dr. Loeb'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. Loeb's Part D claims, 2024
- Antibiotics1%16 of 1,388 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: 1,1442024: 1,29813%
Drugs named by CMS: 10 in 2024, 10 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. Robert A. Loeb scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Loeb for performance year 2024, reported individually. Dr. Loeb accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 47 procedures of cataract surgery by Dr. Loeb, more than 62% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Loeb's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Loeb ranks in Medicare procedure volume
- Cataract surgery
- 62nd percentile47 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Robert A. Loeb received $1,809 in industry payments from 2016 to 2025
CMS Open Payments shows 52 general payments to Dr. Loeb from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Tarsus Pharmaceuticals, Inc. paid the most, $294.
General payments to Dr. Loeb by program year, 2016 to 2025
General payments to Dr. Loeb by kind, 2016 to 2025
- Food and beverage$1,69994%
- Entertainment$1106%
Companies that paid Dr. Loeb 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. Robert A. Loeb graduated from University of Maryland School of Medicine
Dr. Loeb graduated from University of Maryland School of Medicine in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert A. Loeb'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)Doctors and Clinicians Utilization Data (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. Robert A. Loeb
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. Robert A. Loeb's NPI number?
Dr. Robert A. Loeb's NPI number is 1730110966. It was assigned on July 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert A. Loeb?
Dr. Robert A. Loeb is an ophthalmologist in Baltimore, Maryland. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Robert A. Loeb practice?
Dr. Loeb practices at 100 Park Ave, Baltimore, MD 21201. Dr. Loeb's primary practice is Barenburg Optical Service, Inc in Baltimore, Maryland. Dmand AI also links Dr. Loeb to 1 group practice or clinic and 1 medical group.
What is Dr. Robert A. Loeb's office phone number?
The practice phone on file for Dr. Loeb is (410) 752-1677.
What is Dr. Robert A. Loeb's medical license number?
Dr. Loeb holds Maryland license D0022792.
Does Dr. Robert A. Loeb accept Medicare?
Yes. CMS data shows Dr. Loeb billed Medicare for 2,188 services in 2024, and Dr. Loeb accepts Medicare assignment.
What is Dr. Robert A. Loeb's MIPS score?
Dr. Loeb's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Dr. Robert A. Loeb see?
CMS counts 1,453 Medicare patients who saw Dr. Loeb in 2024, with an average age of 75.
What services does Dr. Robert A. Loeb bill to Medicare?
In 2024, Dr. Loeb's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and eye exam or test (92004).
Where did Dr. Robert A. Loeb go to medical school?
Dr. Loeb graduated from University of Maryland School of Medicine in 1977.
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What drugs does Dr. Robert A. Loeb prescribe most?
In 2024 Medicare Part D data, Dr. Loeb's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Dorzolamide-Timolol.
Has Dr. Robert A. Loeb received payments from drug or device companies?
CMS Open Payments shows $1,809 in general payments to Dr. Loeb from 14 companies from 2016 to 2025. The largest total came from Tarsus Pharmaceuticals, Inc.
How long has Dr. Robert A. Loeb been practicing?
Dr. Loeb graduated from medical school in 1977, 49 years ago.
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