Doctor profile · Federal record
Dr. Richard Millstein, D.O.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Endocrinology, Diabetes & Metabolism Physician · Greeley, CO
- NPI 1407101975
- Accepts Medicare
- MIPS 93.3 / 100 · 2023
- 14 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1900 16Th St
Greeley, CO 80631 - Additional location
-
535 S Burdick St Ste 256
Kalamazoo, MI 490076112
(269) 341-8585
fax (269) 341-7518
Credentials & registration
- NPI registered
- July 2012 — 14 yrs on file
- Profile last updated
- June 27, 2018
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State licenses (3)
- Colorado #DR.0055484 · Colorado #55484 · Michigan #5101023536
- Medicaid
- CO #71330076
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407101975. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,336
Distinct HCPCS
8
Medicare allowed
$110,196
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 1,140 | 11 | $23 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 470 | 249 | $128 | |
83036 |
Hemoglobin a1c level | 245 | 143 | $9 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 190 | 95 | $34 | |
82962 |
Blood glucose (sugar) test performed by hand-held instrument | 110 | 82 | $3 | |
96372 |
Injection of drug or substance under skin or into muscle | 72 | 14 | $15 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 66 | 58 | $92 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 43 | 43 | $167 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 292. This provider delivers 8.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,555
Patients
835
Total drug cost
$2,050,881
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 474 | 128 | $9,329 |
| Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) | Brand | 269 | 94 | $299,339 |
| Metformin Hcl | Generic | 257 | 84 | $2,800 |
| Jardiance (Empagliflozin) | Brand | 212 | 59 | $314,092 |
| Trulicity (Dulaglutide) | Brand | 203 | 54 | $445,738 |
| Ozempic (Semaglutide) | Brand | 179 | 54 | $370,529 |
| Novolog Flexpen (Insulin Aspart) | Brand | 161 | 66 | $346,790 |
| Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 135 | 73 | $19,052 |
| Methimazole | Generic | 108 | 33 | $2,415 |
| Tresiba Flextouch U-100 (Insulin Degludec) | Brand | 106 | 45 | $115,710 |
Hospital affiliations
Frequently asked questions
What is Dr. Richard Millstein's medical specialty?
Dr. Richard Millstein practices Endocrinology, Diabetes & Metabolism Physician in Greeley, CO.
Where does Dr. Richard Millstein practice?
Dr. Richard Millstein practices at 1900 16Th St, Greeley, CO 80631.
What is Dr. Richard Millstein's NPI?
Dr. Richard Millstein's National Provider Identifier (NPI) is 1407101975, issued by NPPES.
Does Dr. Richard Millstein accept Medicare assignment?
Yes. Dr. Richard Millstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Millstein commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.