Katherine Hertzberg, O.D.
NPI 1013117043 · Optometrist · Naperville, IL
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Hertzberg, O.D. is a Optometrist provider in Naperville, IL (NPI 1013117043).
Provider details
- NPI number
- 1013117043
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 046010006 (IL)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
100 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 | 89 | $132 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 11 | $173 |
Typical Medicare-allowed amounts for these services range $132–$173 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (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
- 2007-07-18
- Last updated
- 2012-10-10
Frequently asked questions
- What is Katherine Hertzberg's NPI number?
- Katherine Hertzberg's National Provider Identifier (NPI) is 1013117043, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Hertzberg's specialty?
- Katherine Hertzberg is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Katherine Hertzberg located?
- Katherine Hertzberg's practice location on file with NPPES is 29 S Webster St Ste 104, Naperville, IL 60540-5353.
- What is Katherine Hertzberg's phone number?
- The practice phone number listed in the NPPES registry for Katherine Hertzberg is (630) 357-6880.
- Does Katherine Hertzberg accept Medicare?
- Katherine Hertzberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Hertzberg's NPI active?
- Yes — Katherine Hertzberg's NPI (1013117043) is active in the NPPES registry as of the last update on 2012-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.