John Gullo, MD
NPI 1700865243 · Medical Oncology Physician · Brunswick, ME
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Gullo, MD is a Medical Oncology Physician provider in Brunswick, ME (NPI 1700865243).
Provider details
- NPI number
- 1700865243
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD21675 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
288 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 175 | $96 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 73 | $67 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 24 | $146 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 16 | $134 |
Typical Medicare-allowed amounts for these services range $67–$146 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 93 | 25 |
| Prochlorperazine Maleate | 79 | 41 |
| Dexamethasone | 46 | 29 |
| Abiraterone Acetate | 43 | — |
| Ondansetron Hcl | 37 | 28 |
| Letrozole | 33 | — |
| Apixabanbrand: Eliquis | 26 | — |
| Lenalidomide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$97 across 1 record (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
Additional practice locations (4)
- 116 Northport Ave Ste 112Belfast, ME 04915-6096Phone: (207) 505-4163Fax: (207) 613-2570
- 159 Main StNorway, ME 04268-5638Phone: (207) 743-2945Fax: (207) 743-2751
- 265 Western Ave Ste 2South Portland, ME 04106-2458Phone: (207) 661-0200Fax: (207) 661-0299
- 5008 Brittonfield PkwySuite 700East Syracuse, NY 13057-9248Phone: (315) 472-7504Fax: (315) 479-8639
Registry dates
- Enumerated
- 2006-01-12
- Last updated
- 2025-04-08
- Certified
- 2025-04-08
Frequently asked questions
- What is John Gullo's NPI number?
- John Gullo's National Provider Identifier (NPI) is 1700865243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gullo's specialty?
- John Gullo is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Gullo located?
- John Gullo's practice location on file with NPPES is 329 Maine St Ste E101, Brunswick, ME 04011-3310.
- What is John Gullo's phone number?
- The practice phone number listed in the NPPES registry for John Gullo is (207) 373-2266.
- Does John Gullo accept Medicare?
- John Gullo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Gullo's NPI active?
- Yes — John Gullo's NPI (1700865243) is active in the NPPES registry as of the last update on 2025-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.