Joseph Harlan, M.D.
NPI 1861442709 · Ophthalmology Physician · Lutherville, MD
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Harlan, M.D. is a Ophthalmology Physician provider in Lutherville, MD (NPI 1861442709).
Provider details
- NPI number
- 1861442709
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D53191 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
7,773 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Imaging of Retina92134 | 2,733 | $41 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,629 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,230 | $132 |
| Injection of Drug Into Eye67028 | 1,128 | $128 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 389 | $25 |
| Exam of Retinal Blood Vessels Using a Special Camera After Injection of a Dye92235 | 327 | $168 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 74 | 40 |
| Ofloxacin | 37 | 31 |
| Bromfenac Sodium | 30 | — |
| Latanoprost | 30 | 17 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 24 | — |
| Bromfenac Sodiumbrand: Prolensa | 16 | — |
| Valacyclovir Hclbrand: Valacyclovir | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$329 across 17 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-11
- Last updated
- 2012-04-11
Frequently asked questions
- What is Joseph Harlan's NPI number?
- Joseph Harlan's National Provider Identifier (NPI) is 1861442709, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Harlan's specialty?
- Joseph Harlan is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Harlan located?
- Joseph Harlan's practice location on file with NPPES is 1209 York Rd, Lutherville, MD 21093-6220.
- What is Joseph Harlan's phone number?
- The practice phone number listed in the NPPES registry for Joseph Harlan is (410) 821-9490.
- Does Joseph Harlan accept Medicare?
- Joseph Harlan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Harlan's NPI active?
- Yes — Joseph Harlan's NPI (1861442709) is active in the NPPES registry as of the last update on 2012-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.