Hayley Knollman, MD
NPI 1215240932 · Hematology & Oncology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hayley Knollman, MD is a Hematology & Oncology Physician provider in Philadelphia, PA (NPI 1215240932).
Provider details
- NPI number
- 1215240932
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2013015497 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 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
667 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 225 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 172 | $99 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 163 | $146 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 48 | $184 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 26 | $74 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 226 | 94 |
| Ribociclib Succinatebrand: Kisqali | 37 | — |
| Letrozole | 35 | 17 |
| Exemestane | 34 | 16 |
| Gabapentin | 17 | — |
| Elacestrant Hclbrand: Orserdu | 16 | — |
| Tamoxifen Citrate | 13 | — |
| Abemaciclibbrand: Verzenio |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$383 across 4 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
- 2010-07-22
- Last updated
- 2022-07-21
Frequently asked questions
- What is Hayley Knollman's NPI number?
- Hayley Knollman's National Provider Identifier (NPI) is 1215240932, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hayley Knollman's specialty?
- Hayley Knollman is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Hayley Knollman located?
- Hayley Knollman's practice location on file with NPPES is 3400 Civic Center Blvd Fl 10, Philadelphia, PA 19104-5158.
- What is Hayley Knollman's phone number?
- The practice phone number listed in the NPPES registry for Hayley Knollman is (215) 360-0713.
- Does Hayley Knollman accept Medicare?
- Hayley Knollman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hayley Knollman's NPI active?
- Yes — Hayley Knollman's NPI (1215240932) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.