Doctor profile · Federal record
Dr. John Knapp, M.D.
Specialist (CMS: Obstetrics/Gynecology) · Roseville, MI
- NPI 1811997216
- Accepts Medicare
- MIPS 96.8 / 100 · 2023
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
29751 Little Mack Ave, Suite B
Roseville, MI 480662238
(586) 415-6200
fax (586) 415-6217 - Mailing address
-
391 Country Club Ln
Grosse Pointe Farms, MI 482362904
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- March 11, 2014
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- Michigan #051917
- Medicaid
- MI #2745645
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811997216. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,139
Distinct HCPCS
10
Medicare allowed
$77,847
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 209 | 157 | $129 | |
81002 |
Urinalysis, manual test | 145 | 133 | $3 | |
G0328 |
Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous | 130 | 130 | $18 | |
77063 |
Screening 3d breast mammography | 107 | 107 | $53 | |
77067 |
Screening mammography | 107 | 107 | $127 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 87 | 87 | $18 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 63 | 54 | $90 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 60 | 60 | $43 | |
57150 |
Irrigation of vagina and/or application of drug to treat infection | 49 | 16 | $57 | |
76830 |
Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 48 | 40 | $121 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 64. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$500
Transactions
25
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Astellas Pharma US Inc | 14 | $206.68 | |
| Medtronic, Inc. | 1 | $90.32 | |
| Sumitomo Pharma America, Inc. | 3 | $68.92 | |
| Sage Therapeutics, Inc. | 2 | $49.64 | |
| Amgen Inc. | 2 | $37.73 | |
| MILLICENT US INC | 1 | $18.09 | |
| PFIZER INC. | 1 | $16.61 | |
| Meditrina | 1 | $11.81 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
331
Patients
77
Total drug cost
$33,921
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Nystatin-Triamcinolone (Nystatin/Triamcinolone Acet) | Brand | 45 | 31 | $609 |
| Tolterodine Tartrate Er (Tolterodine Tartrate) | Brand | 33 | 0 | $5,268 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 32 | 0 | $1,471 |
| Premarin (Estrogens, Conjugated) | Brand | 24 | 11 | $14,186 |
| Estradiol | Generic | 22 | 0 | $1,433 |
| Estradiol (Twice Weekly) (Estradiol) | Brand | 22 | 0 | $3,150 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 20 | 20 | $253 |
| Alendronate Sodium | Generic | 19 | 0 | $182 |
| Ibandronate Sodium | Generic | 19 | 0 | $1,298 |
| Fluconazole | Generic | 18 | 15 | $159 |
Hospital affiliations
Frequently asked questions
What is Dr. John Knapp's medical specialty?
Dr. John Knapp practices Specialist in Roseville, MI.
Where does Dr. John Knapp practice?
Dr. John Knapp practices at 29751 Little Mack Ave, Roseville, MI 480662238. Office phone: 5864156200.
What is Dr. John Knapp's NPI?
Dr. John Knapp's National Provider Identifier (NPI) is 1811997216, issued by NPPES.
Does Dr. John Knapp accept Medicare assignment?
Yes. Dr. John Knapp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Knapp commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Urinalysis, manual test (HCPCS 81002); Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous (HCPCS G0328). Source: CMS Medicare Physician & Other Practitioners file.