Gail Kellberg, APN
NPI 1245481092 · Pediatric Nurse Practitioner · Maywood, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gail Kellberg, APN is a Pediatric Nurse Practitioner provider in Maywood, IL (NPI 1245481092).
Provider details
- NPI number
- 1245481092
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- No
- License
- 209.005627 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
84 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 84 | $126 |
Typical Medicare-allowed amounts for these services range $126–$126 (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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydromorphone Hcl | 147 | 22 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 135 | 19 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 94 | — |
| Voxelotorbrand: Oxbryta | 83 | 20 |
| Hydroxyurea | 67 | 17 |
| Morphine Sulfate | 60 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$8,863 across 16 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
- 2008-10-09
- Last updated
- 2008-10-09
Frequently asked questions
- What is Gail Kellberg's NPI number?
- Gail Kellberg's National Provider Identifier (NPI) is 1245481092, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gail Kellberg's specialty?
- Gail Kellberg is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gail Kellberg located?
- Gail Kellberg's practice location on file with NPPES is 2160 S 1st Ave, Maywood, IL 60153-3328.
- What is Gail Kellberg's phone number?
- The practice phone number listed in the NPPES registry for Gail Kellberg is (708) 216-8000.
- Does Gail Kellberg accept Medicare?
- Gail Kellberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gail Kellberg's NPI active?
- Yes — Gail Kellberg's NPI (1245481092) is active in the NPPES registry as of the last update on 2008-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.