Doctor profile · Federal record
Dr. John Hammerstein, M.D.
Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Orthopaedic Surgery of the Spine Physician · Sports Medicine (Orthopaedic Surgery) Physician · Linton, IN
- NPI 1265573307
- Accepts Medicare
- 24 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1043 N 1000 W
Linton, IN 47441
(812) 847-3381
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- May 5, 2023
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207X00000X — NUCC code
- State license (1)
- Indiana #01065333A
- Medicaid
- IN #200906320
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265573307. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,750
Distinct HCPCS
10
Medicare allowed
$82,717
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J7325 |
Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg | 1,265 | 22 | $9 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 448 | 82 | $0 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 366 | 161 | $84 | |
20610 |
Aspiration and/or injection of fluid from large joint | 205 | 87 | $64 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 105 | 105 | $103 | |
73030 |
X-ray of shoulder, minimum of 2 views | 96 | 47 | $23 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 85 | 63 | $52 | |
73564 |
X-ray of knee, 4 or more views | 56 | 41 | $32 | |
73562 |
X-ray of knee, 3 views | 43 | 37 | $29 | |
73560 |
X-ray of knee, 1-2 views | 35 | 16 | $24 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 229. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$18
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Smith+Nephew, Inc. | 1 | $18.25 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
38
Patients
36
Total drug cost
$304
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 25 | 23 | $188 |
| Methylprednisolone | Generic | 13 | 13 | $116 |
Frequently asked questions
What is Dr. John Hammerstein's medical specialty?
Dr. John Hammerstein practices Orthopaedic Surgery Physician in Linton, IN.
Where does Dr. John Hammerstein practice?
Dr. John Hammerstein practices at 1043 N 1000 W, Linton, IN 47441. Office phone: 8128473381.
What is Dr. John Hammerstein's NPI?
Dr. John Hammerstein's National Provider Identifier (NPI) is 1265573307, issued by NPPES.
Does Dr. John Hammerstein accept Medicare assignment?
Yes. Dr. John Hammerstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Hammerstein commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg (HCPCS J7325); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.