Doctor profile · Federal record

Dr. Melissa Gruen, MD, JD

Family Medicine Physician (CMS: Family Practice) · Golden, CO

  • NPI 1487798021
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5920 McIntyre St
Golden, CO 804037445
(207) 434-4876
fax (303) 225-4246
Mailing address
5023 W 120Th Ave Ste 312
Broomfield, CO 800205606

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
March 20, 2020
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Pennsylvania #MD430237
Medicaid
CO #46886583

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487798021. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,283
Distinct HCPCS
10
Medicare allowed
$138,624
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 412 106 $107
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 285 116 $153
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 232 89 $63
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 109 51 $48
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 68 37 $153
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 67 39 $107
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 53 49 $181
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 24 18 $50
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 20 11 $35
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 13 11 $181

In context: peer comparison

Among 9 peers in this city , average services per provider: 107. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$113
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, Inc. 1 $112.57

By nature of payment

Food and Beverage
$113

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,080
Patients
520
Total drug cost
$140,519
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 390 52 $6,020
Atorvastatin Calcium Generic 363 69 $7,134
Furosemide Generic 273 50 $2,055
Metformin Hcl Generic 240 38 $3,005
Amlodipine Besylate Generic 199 46 $2,387
Tamsulosin Hcl Generic 194 41 $4,392
Eliquis (Apixaban) Brand 186 19 $50,308
Lisinopril Generic 177 33 $1,858
Sertraline Hcl Generic 174 27 $2,939
Risperidone Generic 171 22 $2,664

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa Gruen's medical specialty?
Dr. Melissa Gruen practices Family Medicine Physician in Golden, CO.
Where does Dr. Melissa Gruen practice?
Dr. Melissa Gruen practices at 5920 McIntyre St, Golden, CO 804037445. Office phone: 2074344876.
What is Dr. Melissa Gruen's NPI?
Dr. Melissa Gruen's National Provider Identifier (NPI) is 1487798021, issued by NPPES.
Does Dr. Melissa Gruen accept Medicare assignment?
Yes. Dr. Melissa Gruen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Melissa Gruen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with high level of medical decision making (HCPCS 99310); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.