Gerald Sullivan, M.D.
NPI 1760683551 · Internal Medicine Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerald Sullivan, M.D. is a Internal Medicine Physician provider in Milwaukee, WI (NPI 1760683551).
Provider details
- NPI number
- 1760683551
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 37202 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
472 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 199 | $68 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 100 | $81 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 51 | $115 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 35 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 24 | $115 |
| Residence Visit for Established Patient With Straightforward Medical Decision Making, Per Day, If Using Time, at Least 15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 106 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Topiramate | 434 | 62 |
| Gabapentin | 376 | 64 |
| Olanzapine | 370 | 39 |
| Quetiapine Fumarate | 366 | 58 |
| Trazodone Hcl | 309 | 44 |
| Metoprolol Succinate | 275 | 36 |
| Risperidone | 272 | 30 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-30
- Last updated
- 2019-08-12
Frequently asked questions
- What is Gerald Sullivan's NPI number?
- Gerald Sullivan's National Provider Identifier (NPI) is 1760683551, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Sullivan's specialty?
- Gerald Sullivan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald Sullivan located?
- Gerald Sullivan's practice location on file with NPPES is 6040 W Lisbon Ave, Milwaukee, WI 53210-2116.
- What is Gerald Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Gerald Sullivan is (414) 447-9890.
- Does Gerald Sullivan accept Medicare?
- Gerald Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerald Sullivan's NPI active?
- Yes — Gerald Sullivan's NPI (1760683551) is active in the NPPES registry as of the last update on 2019-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.