Daisy Hariharan, NP
NPI 1487191425 · Family Nurse Practitioner · Woodridge, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daisy Hariharan, NP is a Family Nurse Practitioner provider in Woodridge, IL (NPI 1487191425).
Provider details
- NPI number
- 1487191425
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 041285576 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 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
239 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 163 | $93 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 76 | $111 |
Typical Medicare-allowed amounts for these services range $93–$111 (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 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 126 | 14 |
| Gabapentin | 95 | — |
| Famotidine | 67 | — |
| Empagliflozinbrand: Jardiance | 55 | — |
| Metoprolol Tartrate | 52 | — |
| Levothyroxine Sodium | 51 | — |
| Mirtazapine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$119 across 7 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
- 2017-01-29
- Last updated
- 2017-01-29
Frequently asked questions
- What is Daisy Hariharan's NPI number?
- Daisy Hariharan's National Provider Identifier (NPI) is 1487191425, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daisy Hariharan's specialty?
- Daisy Hariharan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Daisy Hariharan located?
- Daisy Hariharan's practice location on file with NPPES is 2106 Aston Dr, Woodridge, IL 60517-8039.
- What is Daisy Hariharan's phone number?
- The practice phone number listed in the NPPES registry for Daisy Hariharan is (847) 602-7422.
- Does Daisy Hariharan accept Medicare?
- Daisy Hariharan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daisy Hariharan's NPI active?
- Yes — Daisy Hariharan's NPI (1487191425) is active in the NPPES registry as of the last update on 2017-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.