Doctor profile · Federal record
Dr. John Haak, CRNA, ARNP
Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Spencer, IA
- NPI 1437313715
- Accepts Medicare
- 19 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1200 1St Ave E
Spencer, IA 513014342
(712) 264-6164 - Mailing address
-
818 E 9Th St
Spencer, IA 513014923
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- April 6, 2010
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 367500000X — NUCC code
- State license (1)
- Iowa #D-112804
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437313715. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
211
Distinct HCPCS
8
Medicare allowed
$23,147
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00142 |
Anesthesia for lens surgery | 52 | 51 | $105 | |
64450 |
Injection of anesthetic agent and/or steroid into other nerve or branch | 43 | 32 | $25 | |
76942 |
Ultrasonic guidance for needle placement | 25 | 25 | $29 | |
01402 |
Anesthesia for procedure for total knee joint replacement | 23 | 23 | $266 | |
64447 |
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 20 | 20 | $59 | |
01214 |
Anesthesia for total hip replacement | 18 | 18 | $318 | |
62323 |
Injection of substance into lower spine canal using imaging guidance | 16 | 14 | $91 | |
00910 |
Anesthesia for other procedure on urinary system through urethra | 14 | 14 | $101 |
In context: peer comparison
Among 4 peers in Spencer Certified Registered Nurse Anesthetist, average services per provider: 25. This provider delivers 8.4× the peer median.Open Payments
Industry payments received
All-time total
$23
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pacira Pharmaceuticals Incorporated | 1 | $22.76 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. John Haak's medical specialty?
Dr. John Haak practices Certified Registered Nurse Anesthetist in Spencer, IA.
Where does Dr. John Haak practice?
Dr. John Haak practices at 1200 1St Ave E, Spencer, IA 513014342. Office phone: 7122646164.
What is Dr. John Haak's NPI?
Dr. John Haak's National Provider Identifier (NPI) is 1437313715, issued by NPPES.
Does Dr. John Haak accept Medicare assignment?
Yes. Dr. John Haak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Haak commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Injection of anesthetic agent and/or steroid into other nerve or branch (HCPCS 64450); Ultrasonic guidance for needle placement (HCPCS 76942). Source: CMS Medicare Physician & Other Practitioners file.