Jane Bahk, M.D.
NPI 1639158314 · Ophthalmology Physician · Oak Park, IL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jane Bahk, M.D. is a Ophthalmology Physician provider in Oak Park, IL (NPI 1639158314).
Provider details
- NPI number
- 1639158314
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036102713 (IL)
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
1,377 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 474 | $133 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 299 | $94 |
| Exam of Visual Field With Extended Testing92083 | 137 | $64 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 108 | $175 |
| Photography of the Retina92250 | 75 | $37 |
| Imaging of Retina92134 | 58 | $40 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 863 | 235 |
| Timolol Maleate | 309 | 92 |
| Brimonidine Tartrate | 288 | 76 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 150 | 46 |
| Ofloxacin | 107 | 95 |
| Dorzolamide Hcl | 87 | 27 |
| Prednisolone Acetate | 77 | 49 |
| Bimatoprostbrand: Lumigan |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$50 across 2 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
- 2006-01-11
- Last updated
- 2008-07-03
Frequently asked questions
- What is Jane Bahk's NPI number?
- Jane Bahk's National Provider Identifier (NPI) is 1639158314, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jane Bahk's specialty?
- Jane Bahk is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Jane Bahk located?
- Jane Bahk's practice location on file with NPPES is 1 Erie Ct, Oak Park, IL 60302-2566.
- What is Jane Bahk's phone number?
- The practice phone number listed in the NPPES registry for Jane Bahk is (708) 848-2400.
- Does Jane Bahk accept Medicare?
- Jane Bahk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jane Bahk's NPI active?
- Yes — Jane Bahk's NPI (1639158314) is active in the NPPES registry as of the last update on 2008-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.