Physician Profile
Based in Norfolk, VA, John Patrick Parker, MD is listed in the NPI registry under cardiovascular disease (cardiology). John graduated from Ohio State University College of Medicine in 1973. John is also listed as specializing in cardiovascular disease. Medicare claims data shows John provided 2,146 services to 1,585 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
844 KEMPSVILLE RD SUITE 204
Norfolk, VA 23502
Within Cardiovascular Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Most searched procedures
2,146 services · 1,585 patients · 16 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
598 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
296 |
| Anticoagulant management of patient taking warfarin | Treatment | 93793 |
167 |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
34 |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
32 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
31 |
| Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | Treatment | 93244 |
23 |
| Ultrasound of heart, follow-up | Treatment | 93308 |
21 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
19 |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
17 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Parker is a cardiovascular disease (cardiology) in Norfolk, VA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
Dr. Parker is listed at 844 KEMPSVILLE RD SUITE 204, Norfolk, VA 23502. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (757) 261-0700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Parker's National Provider Identifier is 1649246695. 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
Dr. Parker attended Ohio State University College of Medicine, graduating in 1973. This comes from the CMS National Downloadable File.
CMS public data
Dr. Parker has 53 years experience. Calculated from a graduation year of 1973, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Parker provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Parker. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.