Nathaniel Erdman, O.D.
NPI 1982860557 · Optometrist · Chicago, IL
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathaniel Erdman, O.D. is a Optometrist provider in Chicago, IL (NPI 1982860557).
Provider details
- NPI number
- 1982860557
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 046010139 (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 tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
392 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Problem Focused Exam of Visual System92012 | 256 | $50 |
| Established Patient Complete Exam of Visual System92014 | 94 | $76 |
| New Patient Problem Focused Exam of Visual System92002 | 29 | $45 |
| Exam of Visual Field With Extended Testing92083 | 13 | $27 |
Typical Medicare-allowed amounts for these services range $27–$76 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 305 | 111 |
| Brimonidine Tartrate | 123 | 46 |
| Dorzolamide Hcl | 76 | 32 |
| Azelastine Hcl | 54 | 25 |
| Levobunolol Hcl | 52 | 18 |
| Timolol Maleate | 35 | 15 |
| Prednisolone Acetate | 19 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-04
- Last updated
- 2021-04-23
- Certified
- 2021-04-23
Frequently asked questions
- What is Nathaniel Erdman's NPI number?
- Nathaniel Erdman's National Provider Identifier (NPI) is 1982860557, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Erdman's specialty?
- Nathaniel Erdman is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Nathaniel Erdman located?
- Nathaniel Erdman's practice location on file with NPPES is 4053 N Sheridan Rd, Chicago, IL 60613-2086.
- What is Nathaniel Erdman's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Erdman is (314) 369-2219.
- Does Nathaniel Erdman accept Medicare?
- Nathaniel Erdman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathaniel Erdman's NPI active?
- Yes — Nathaniel Erdman's NPI (1982860557) is active in the NPPES registry as of the last update on 2021-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.