Heather Katz, D.O.
NPI 1740670397 · Hematology & Oncology Physician · Sleepy Hollow, NY
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Katz, D.O. is a Hematology & Oncology Physician provider in Sleepy Hollow, NY (NPI 1740670397).
Provider details
- NPI number
- 1740670397
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 54966 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,718 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 546 | $146 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 452 | $9 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 254 | $205 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 238 | $88 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 100 | $104 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
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 |
|---|---|---|
| Anastrozole | 236 | 83 |
| Tamoxifen Citrate | 50 | 24 |
| Apixabanbrand: Eliquis | 48 | 17 |
| Letrozole | 48 | 22 |
| Exemestane | 24 | — |
| Ondansetronbrand: Ondansetron Odt | 17 | 16 |
| Venetoclaxbrand: Venclexta | 12 | — |
| Hydroxyurea |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$80 across 3 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
Additional practice locations (2)
- 5200 Dtc PkwySuite400Greenwood Village, CO 80111-2709Phone: (303) 745-0000Fax: (303) 773-3101
- 777 N Broadway Ste 102Sleepy Hollow, NY 10591Phone: (914) 366-1625Fax: (914) 366-1603
Registry dates
- Enumerated
- 2015-02-03
- Last updated
- 2019-11-06
Frequently asked questions
- What is Heather Katz's NPI number?
- Heather Katz's National Provider Identifier (NPI) is 1740670397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Katz's specialty?
- Heather Katz is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Heather Katz located?
- Heather Katz's practice location on file with NPPES is 777 N Broadway Ste 102, Sleepy Hollow, NY 10591.
- What is Heather Katz's phone number?
- The practice phone number listed in the NPPES registry for Heather Katz is (914) 366-1625.
- Does Heather Katz accept Medicare?
- Heather Katz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Katz's NPI active?
- Yes — Heather Katz's NPI (1740670397) is active in the NPPES registry as of the last update on 2019-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.