NPPES file of Aug 9, 2026

Joseph Benson Harlan, M.D.

Ophthalmology Physician · Lutherville, MD

Joseph Benson Harlan, M.D. is an ophthalmology physician with a practice address in Lutherville, Maryland, and NPI 1861442709, issued on May 11, 2006. Check the license (Maryland D53191, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861442709
Name
Joseph Benson Harlan
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
D53191 MD
Self-reported in NPPES; status is on the state search
Practice location
1209 York RD, Lutherville, MD 21093
Phone
(410) 821-9490
Enumerated
May 11, 2006
Record last updated
Apr 11, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(410) 821-9495
Medicaid ID
400804900 MD
Medicare enrollment
Enrolled (PECOS I20081219000090); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 1994
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1209 York RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lisa Abrams, M.D.Ophthalmology Physician1972582393
  2. Gary Baziz, O.D.Optometrist1104823459
  3. Donna Booth, M.D.Specialist1255339891
  4. Francisco Burgos, O.D.Optometrist1114924495
  5. Diane Golub, O.D.Optometrist1841297116
  6. Michael Grodin, D.O.Ophthalmology Physician1184670366

Verify Joseph Benson Harlan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D53191
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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78% fewer Medicare Part D claims than the average ophthalmology physician in 2024

338 Medicare Part D claims for 108 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.

  1. Joseph Harlan338
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate74 claims
  2. Ofloxacin37 claims
  3. Bromfenac Sodium30 claims
  4. Latanoprost30 claims
  5. Dorzolamide-Timolol24 claims
  6. Prolensa16 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 86.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%85.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $329.38

17 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joseph Harlan$329.38
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Katzen Medical Associates PCLutherville, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ophthalmology Physician providers in Maryland

There are 588 ophthalmology physician records in Maryland.

Other ophthalmology physician records in Maryland

  1. Abdulrahman Abodarahim, MBBCHBaltimore, MD1770182560
  2. Donald Abrams, M.D.Baltimore, MD1841253218
  3. Lisa Abrams, M.D.Lutherville, MD1972582393
  4. Neal Adams, MDSilver Spring, MD1851354500
  5. Richard Adler, M.D.Baltimore, MD1629076179
  6. Arturo Aglubat, M.D.Bel Air, MD1609855055
  7. Omar Ahmad, MDWaldorf, MD1093715310
  8. Zaaira Ahmad, MDSalisbury, MD1154591964
  9. Ishrat Ahmed, MDBaltimore, MD1659828432
  10. Esen Akpek, M.D.Baltimore, MD1851356943

Common questions

What is Joseph Benson Harlan, M.D.'s NPI number?

Joseph Benson Harlan, M.D.'s National Provider Identifier (NPI) is 1861442709, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Benson Harlan, M.D. located?

The NPPES record lists a practice address at 1209 York RD, Lutherville, MD, 21093. Phone: (410) 821-9490. Providers update this record themselves, so call before visiting.

How can I verify Joseph Benson Harlan, M.D.'s license?

NPPES lists Maryland license number D53191, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joseph Benson Harlan, M.D. prescribe under Medicare Part D?

In 2024, Joseph Benson Harlan, M.D. had 338 Medicare Part D claims for 108 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Joseph Benson Harlan, M.D.'s MIPS final score?

The 2023 MIPS final score is 86.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.