Doctor profile · Federal record

Dr. Gregory Northrop, MD

Sports Medicine (Orthopaedic Surgery) Physician (CMS: Sports Medicine) · Orthopaedic Surgery Physician · Pasadena, CA

  • NPI 1962404582
  • Accepts Medicare
  • MIPS 18.6 / 100 · 2023
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2627 E Washington Blvd
Pasadena, CA 911071412
(626) 797-2002
fax (626) 798-0567

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
July 10, 2024
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207XX0005X — NUCC code
State license (1)
California #A69737
Medicaid
CA #00A697370

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962404582. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,610
Distinct HCPCS
10
Medicare allowed
$150,993
HCPCS Description Services Patients Avg allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg 801 11 $9
99213 Established patient office or other outpatient visit, 20-29 minutes 371 241 $98
J1030 Injection, methylprednisolone acetate, 40 mg 322 182 $8
20610 Aspiration and/or injection of fluid from large joint 293 187 $77
73560 X-ray of knee, 1-2 views 206 140 $40
73030 X-ray of shoulder, minimum of 2 views 152 114 $40
73565 X-ray of both knees while standing 139 110 $46
99214 Established patient office or other outpatient visit, 30-39 minutes 119 110 $139
99203 New patient office or other outpatient visit, 30-44 minutes 107 107 $122
73721 Mri scan of leg joint without contrast 24 24 $170

In context: peer comparison

Among 3 peers in this city , average services per provider: 116. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$258
Transactions
6
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Smith+Nephew, Inc. 3 $159.31
Stryker Corporation 1 $46.67
Zimmer Biomet Holdings, Inc. 1 $29.32
Molnlycke Health Care US, LLC 1 $22.96

By nature of payment

Food and Beverage
$258

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
659
Patients
337
Total drug cost
$7,157
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 117 65 $1,047
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 94 49 $892
Ibuprofen Generic 84 40 $743
Celecoxib Generic 77 34 $1,124
Tramadol Hcl Generic 69 34 $187
Omeprazole Generic 58 31 $336
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 29 0 $64
Cefuroxime (Cefuroxime Axetil) Brand 23 20 $474
Cephalexin Generic 22 19 $410
Diclofenac Sodium Generic 22 12 $1,506

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Northrop's medical specialty?
Dr. Gregory Northrop practices Sports Medicine (Orthopaedic Surgery) Physician in Pasadena, CA.
Where does Dr. Gregory Northrop practice?
Dr. Gregory Northrop practices at 2627 E Washington Blvd, Pasadena, CA 911071412. Office phone: 6267972002.
What is Dr. Gregory Northrop's NPI?
Dr. Gregory Northrop's National Provider Identifier (NPI) is 1962404582, issued by NPPES.
Does Dr. Gregory Northrop accept Medicare assignment?
Yes. Dr. Gregory Northrop accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Northrop commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg (HCPCS J7325); Established patient office or other outpatient visit (HCPCS 99213); Injection, methylprednisolone acetate, 40 mg (HCPCS J1030). Source: CMS Medicare Physician & Other Practitioners file.