Doctor profile · Federal record

Dr. Heather Katz, D.O.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Internal Medicine Physician · Sleepy Hollow, NY

  • NPI 1740670397
  • Accepts Medicare
  • MIPS 71.2 / 100 · 2023
  • 14 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
777 N Broadway Ste 102
Sleepy Hollow, NY 10591
(914) 366-1625
fax (914) 366-1603
Additional location
5200 Dtc Pkwy, Suite400
Greenwood Village, CO 801112709
(303) 745-0000
fax (303) 773-3101

Credentials & registration

NPPES · NUCC
NPI registered
February 2015 — 11 yrs on file
Profile last updated
November 6, 2019
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (3)
New York #297925-1 · Colorado #54966 · Florida #3122
Medicaid
CO #63006570

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740670397. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,535
Distinct HCPCS
7
Medicare allowed
$154,130
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 487 264 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 442 238 $148
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 262 93 $91
99215 Established patient office or other outpatient visit, 40-54 minutes 157 98 $207
99213 Established patient office or other outpatient visit, 20-29 minutes 122 89 $106
99205 New patient office or other outpatient visit, 60-74 minutes 45 45 $253
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 20 $199

In context: peer comparison

Among 2 peers in Sleepy Hollow Hematology & Oncology Physician, average services per provider: 265. This provider delivers 5.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$80
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Incyte Corporation 1 $49.99
Alexion Pharmaceuticals, INC. 2 $30.00

By nature of payment

Education
$80

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
262
Patients
73
Total drug cost
$55,947
Drug Type Claims Patients Total cost
Anastrozole Generic 125 46 $2,758
Letrozole Generic 43 13 $1,566
Eliquis (Apixaban) Brand 38 14 $31,408
Xarelto (Rivaroxaban) Brand 17 0 $15,058
Exemestane Generic 16 0 $4,667
Gabapentin Generic 12 0 $203
Mirtazapine Generic 11 0 $289

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Heather Katz's medical specialty?
Dr. Heather Katz practices Hematology & Oncology Physician in Sleepy Hollow, NY.
Where does Dr. Heather Katz practice?
Dr. Heather Katz practices at 777 N Broadway Ste 102, Sleepy Hollow, NY 10591. Office phone: 9143661625.
What is Dr. Heather Katz's NPI?
Dr. Heather Katz's National Provider Identifier (NPI) is 1740670397, issued by NPPES.
Does Dr. Heather Katz accept Medicare assignment?
Yes. Dr. Heather Katz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Heather Katz commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.