Doctor profile · Federal record

Dr. Isaac Melamed, M.D.

Specialist (CMS: Allergy/Immunology) · Centennial, CO

  • NPI 1366480816
  • Accepts Medicare
  • 51 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6801 S Yosemite St
Centennial, CO 801121441
(303) 773-9000
fax (303) 770-1449

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 18, 2024
Year of graduation
1975 — 51 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
Colorado #32130
Medicaid
CO #01321306

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366480816. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
8,373
Distinct HCPCS
10
Medicare allowed
$471,382
HCPCS Description Services Patients Avg allowed
J1568 Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg 3,930 26 $43
J1556 Injection, immune globulin (bivigam), 500 mg 3,300 17 $71
99214 Established patient office or other outpatient visit, 30-39 minutes 372 134 $126
96366 Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 217 49 $21
95165 Professional service for preparation and provision of 1 or more antigens 190 11 $16
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 105 56 $67
J7030 Infusion, normal saline solution , 1000 cc 72 12 $3
99213 Established patient office or other outpatient visit, 20-29 minutes 54 50 $82
95012 Test to measure the level of nitric oxide gas 53 40 $19
96372 Injection of drug or substance under skin or into muscle 49 22 $14

In context: peer comparison

Among 2 peers in Centennial Specialist, average services per provider: 404. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$146,711
Transactions
54
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Octapharma USA, INC. 15 $142,338.49
Csl Behring 4 $2,645.20
Pharming Healthcare, INC. 8 $640.85
Consortium of Independent Immunology Clinics, LLC 1 $400.00
BioCryst US Sales Co., LLC 7 $257.39
Genentech USA, INC. 3 $66.28
AstraZeneca Pharmaceuticals Lp 3 $60.76
Argenx US, INC. 2 $54.83
Abbvie INC. 3 $52.16
Amgen INC. 2 $47.77
Takeda Pharmaceuticals U.S.A., INC. 2 $43.29
Catalyst Pharmaceuticals, INC. 1 $35.26
Pfizer INC. 1 $34.40
Eisai INC. 1 $18.21
GlaxoSmithKline, LLC. 1 $16.10

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$119,129
Honoraria
$11,500
Travel and Lodging
$11,489
Consulting Fee
$2,488
Food and Beverage
$2,105

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
279
Patients
76
Total drug cost
$89,793
Drug Type Claims Patients Total cost
Hydroxychloroquine Sulfate Generic 47 21 $3,421
Azithromycin Generic 42 19 $303
Montelukast Sodium Generic 30 12 $439
Levocetirizine Dihydrochloride Generic 29 0 $913
Nitazoxanide Generic 23 11 $16,623
Cromolyn Sodium Generic 20 0 $6,865
Valacyclovir (Valacyclovir Hcl) Brand 20 13 $590
Armour Thyroid (Thyroid,Pork) Brand 16 0 $694
Cholestyramine (Cholestyramine (With Sugar)) Brand 15 0 $923
Oseltamivir Phosphate Generic 13 0 $326

Frequently asked questions

Auto-generated from federal data
What is Dr. Isaac Melamed's medical specialty?
Dr. Isaac Melamed practices Specialist in Centennial, CO.
Where does Dr. Isaac Melamed practice?
Dr. Isaac Melamed practices at 6801 S Yosemite St, Centennial, CO 801121441. Office phone: 3037739000.
What is Dr. Isaac Melamed's NPI?
Dr. Isaac Melamed's National Provider Identifier (NPI) is 1366480816, issued by NPPES.
Does Dr. Isaac Melamed accept Medicare assignment?
Yes. Dr. Isaac Melamed accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Isaac Melamed commonly perform?
Top Medicare-reported procedures in 2023: Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg (HCPCS J1568); Injection, immune globulin (bivigam), 500 mg (HCPCS J1556); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.