Patricia Nielsen, NP
NPI 1649463811 · Family Nurse Practitioner · Olympia Fields, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patricia Nielsen, NP is a Family Nurse Practitioner provider in Olympia Fields, IL (NPI 1649463811).
Provider details
- NPI number
- 1649463811
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 041357191 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
220 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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 117 | $103 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 103 | $149 |
Typical Medicare-allowed amounts for these services range $103–$149 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 27 | 27 |
| Tramadol Hcl | 23 | 23 |
| Cephalexin | 19 | 19 |
| Ibuprofen | 17 | 17 |
| Prednisone | 17 | 15 |
| Cyclobenzaprine Hcl | 16 | 15 |
| Ondansetronbrand: Ondansetron Odt | 13 | 12 |
Practice location
Mailing address
Additional practice locations (1)
- 1423 Chicago RdChicago Heights, IL 60411-3400Phone: (708) 747-4000
Registry dates
- Enumerated
- 2007-08-22
- Last updated
- 2021-07-28
- Certified
- 2021-07-28
Frequently asked questions
- What is Patricia Nielsen's NPI number?
- Patricia Nielsen's National Provider Identifier (NPI) is 1649463811, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patricia Nielsen's specialty?
- Patricia Nielsen is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Patricia Nielsen located?
- Patricia Nielsen's practice location on file with NPPES is 20201 Crawford Ave, Olympia Fields, IL 60461-1010.
- What is Patricia Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Patricia Nielsen is (844) 740-4445.
- Does Patricia Nielsen accept Medicare?
- Patricia Nielsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patricia Nielsen's NPI active?
- Yes — Patricia Nielsen's NPI (1649463811) is active in the NPPES registry as of the last update on 2021-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.