Physician Profile
Unclaimed ProfileAbout KNAPP
John A Knapp, M.D. practises obstetrics/gynecology in Roseville, MI. John is a 1987 graduate of Wayne State University School of Medicine. John is also listed as specialising in specialist.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Knapp's specialty?
Dr. Knapp is an obstetrics/gynecology in Roseville, MI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OBSTETRICS/GYNECOLOGY”.
NPI registry
Where can I find Dr. Knapp?
Dr. Knapp is listed at 29751 LITTLE MACK AVE SUITE B, Roseville, MI 48066. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Knapp?
The number on file is (586) 415-6200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Knapp's NPI number?
Dr. Knapp's National Provider Identifier is 1811997216. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Knapp's medical education?
Dr. Knapp attended Wayne State University School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Knapp been practising?
Dr. Knapp has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Knapp known for?
According to Medicare billing data, Dr. Knapp performs procedures including irrigation of vagina and/or application of drug to treat infection; reads or performs imaging such as screening mammography and screening 3d breast mammography, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Knapp confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Knapp. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (586) 415-6200
- Email not available
Practice Locations
29751 LITTLE MACK AVE SUITE B
Roseville, MI 48066
Procedures Most Often Billed to Medicare
1,144 services · 1,033 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Irrigation of vagina and/or application of drug to treat infection | Procedure | 57150 |
43 |
| Screening mammography | Imaging | 77067 |
107 |
| Screening 3d breast mammography | Imaging | 77063 |
107 |
| Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | Imaging | 76830 |
42 |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
22 |
| 3d radiographic procedure | Imaging | 76376 |
17 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
194 |
| Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous | Billing code | G0328 |
135 |
| Urinalysis, manual test | Lab test | 81002 |
132 |
| Pelvic exam | Office visit | 99459 |
103 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other obstetrics/gynecology specialists at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other obstetrics/gynecology specialists in Roseville 2
Same specialty, same city.
More connections — 18 related providers in 3 groups
Trained at Wayne State University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at Wayne State University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Irrigation of vagina and/or application of drug to treat infection 2
Providers in MI who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.