Doctor profile · Federal record
Dr. John Halfen, PA
Physician Assistant · Arvada, CO
- NPI 1427533603
- Accepts Medicare
- MIPS 75.6 / 100 · 2023
- 8 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8175 Sheridan Blvd, Unit N
Arvada, CO 80003
(303) 557-0855
fax (415) 252-7176 - Mailing address
-
15476 W 64Th Loop Unit B
Arvada, CO 800076447
Credentials & registration
- NPI registered
- October 2018 — 8 yrs on file
- Profile last updated
- April 17, 2025
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Colorado #PA.0005617
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427533603. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
136
Distinct HCPCS
3
Medicare allowed
$12,280
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 103 | 51 | $103 | |
81002 |
Urinalysis, manual test | 17 | 16 | $3 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 16 | 16 | $101 |
In context: peer comparison
Among 7 peers in Arvada Physician Assistant, average services per provider: 75. This provider delivers 1.8× the peer median.Open Payments
Industry payments received
All-time total
$687
Transactions
36
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 7 | $125.93 | |
| Abbvie INC. | 4 | $105.32 | |
| AstraZeneca Pharmaceuticals Lp | 6 | $94.79 | |
| Lilly USA, LLC | 4 | $75.22 | |
| Bayer Healthcare Pharmaceuticals INC. | 3 | $45.77 | |
| Astellas Pharma US INC | 1 | $33.52 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 2 | $32.07 | |
| Otsuka America Pharmaceutical, INC. | 1 | $28.29 | |
| Janssen Pharmaceuticals, INC | 2 | $28.09 | |
| Hologic Sales and Service, LLC | 1 | $24.65 | |
| Abbott Laboratories | 1 | $20.55 | |
| Corium, LLC | 1 | $19.80 | |
| GlaxoSmithKline, LLC. | 1 | $19.17 | |
| Xeris Pharmaceuticals, INC. | 1 | $18.73 | |
| Pfizer INC. | 1 | $15.02 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
763
Patients
231
Total drug cost
$56,427
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 119 | 41 | $1,405 |
| Lisinopril | Generic | 95 | 32 | $958 |
| Losartan Potassium | Generic | 63 | 21 | $604 |
| Levothyroxine Sodium | Generic | 61 | 24 | $1,432 |
| Gabapentin | Generic | 57 | 15 | $1,110 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 53 | 17 | $1,751 |
| Amlodipine Besylate | Generic | 52 | 21 | $261 |
| Metformin Hcl | Generic | 52 | 18 | $445 |
| Omeprazole | Generic | 45 | 16 | $934 |
| Tramadol Hcl | Generic | 37 | 13 | $273 |
Frequently asked questions
What is Dr. John Halfen's medical specialty?
Dr. John Halfen practices Physician Assistant in Arvada, CO.
Where does Dr. John Halfen practice?
Dr. John Halfen practices at 8175 Sheridan Blvd, Arvada, CO 80003. Office phone: 3035570855.
What is Dr. John Halfen's NPI?
Dr. John Halfen's National Provider Identifier (NPI) is 1427533603, issued by NPPES.
Does Dr. John Halfen accept Medicare assignment?
Yes. Dr. John Halfen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Halfen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Urinalysis, manual test (HCPCS 81002); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.