Gary Kerkvliet, M.D.
NPI 1508804642 · Internal Medicine Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Kerkvliet, M.D. is a Internal Medicine Physician provider in Baltimore, MD (NPI 1508804642).
Provider details
- NPI number
- 1508804642
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D45708 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
215 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 69 | $59 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 66 | $95 |
| Administration of Influenza Virus VaccineG0008 | 31 | $29 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 21 | $15 |
| Admn Sarscov2 Vacc 1 Dose90480 | 14 | $45 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 53 | 26 |
| Alprazolam | 41 | — |
| Amlodipine Besylate | 37 | 17 |
| Metformin Hcl | 35 | — |
| Levothyroxine Sodium | 24 | — |
| Paroxetine Hcl | 22 | — |
| Azithromycin | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$604 across 28 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-02
- Last updated
- 2014-01-27
Frequently asked questions
- What is Gary Kerkvliet's NPI number?
- Gary Kerkvliet's National Provider Identifier (NPI) is 1508804642, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Kerkvliet's specialty?
- Gary Kerkvliet is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Kerkvliet located?
- Gary Kerkvliet's practice location on file with NPPES is 2435 W Belvedere Ave, Baltimore, MD 21215-5224.
- What is Gary Kerkvliet's phone number?
- The practice phone number listed in the NPPES registry for Gary Kerkvliet is (410) 601-6840.
- Does Gary Kerkvliet accept Medicare?
- Gary Kerkvliet is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Kerkvliet's NPI active?
- Yes — Gary Kerkvliet's NPI (1508804642) is active in the NPPES registry as of the last update on 2014-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.