Doctor profile · Federal record

Dr. Julian Klapowitz, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · New York, NY

  • NPI 1013001759
  • Accepts Medicare
  • MIPS 19.4 / 100 · 2023
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
133 E 58Th St Ste 1403
New York, NY 100221236
(212) 861-8976
fax (212) 472-8396

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
December 8, 2024
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #204477

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013001759. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,363
Distinct HCPCS
10
Medicare allowed
$191,449
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 605 269 $145
99213 Established patient office or other outpatient visit, 20-29 minutes 532 236 $103
36415 Insertion of needle into vein for collection of blood sample 460 290 $8
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 236 216 $17
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 169 169 $146
92587 Placement of ear probe for computerized measurement of sound with interpretation and report 153 153 $25
G0008 Administration of influenza virus vaccine 81 80 $20
90662 Influenza vaccine split virus, preservative free 33 33 $64
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 32 32 $74
99497 Advance care planning, first 30 minutes 20 20 $93

In context: peer comparison

Among 559 peers in New York Internal Medicine Physician, average services per provider: 137. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,479
Transactions
73
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 22 $361.40
Lilly USA, LLC 11 $190.73
Amgen INC. 8 $141.37
Xeris Pharmaceuticals, INC. 6 $130.78
Novo Nordisk INC 5 $111.90
Abbvie INC. 4 $106.43
Bayer Healthcare Pharmaceuticals INC. 4 $96.04
Pfizer INC. 4 $83.02
Corcept Therapeutics 2 $49.54
Abbott Laboratories 2 $42.86
Astellas Pharma US INC 1 $32.30
Inspire Medical Systems, INC. 1 $29.19
Medtronic, INC. 1 $26.39
Ibsa Pharma INC. 1 $22.78
Beta Bionics, INC. 1 $19.86

By nature of payment

Food and Beverage
$1,479

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,079
Patients
529
Total drug cost
$125,286
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 462 122 $6,136
Amlodipine Besylate Generic 346 90 $3,801
Zolpidem Tartrate Generic 152 25 $1,290
Losartan Potassium Generic 145 33 $1,827
Levothyroxine Sodium Generic 132 34 $3,180
Rosuvastatin Calcium Generic 120 33 $1,987
Metoprolol Succinate Generic 103 26 $2,372
Synthroid (Levothyroxine Sodium) Brand 92 20 $9,778
Tamsulosin Hcl Generic 85 21 $2,534
Escitalopram Oxalate Generic 82 20 $1,625

Frequently asked questions

Auto-generated from federal data
What is Dr. Julian Klapowitz's medical specialty?
Dr. Julian Klapowitz practices Internal Medicine Physician in New York, NY.
Where does Dr. Julian Klapowitz practice?
Dr. Julian Klapowitz practices at 133 E 58Th St Ste 1403, New York, NY 100221236. Office phone: 2128618976.
What is Dr. Julian Klapowitz's NPI?
Dr. Julian Klapowitz's National Provider Identifier (NPI) is 1013001759, issued by NPPES.
Does Dr. Julian Klapowitz accept Medicare assignment?
Yes. Dr. Julian Klapowitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Julian Klapowitz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.