Tammy Bull, M.D.
NPI 1689678278 · Obstetrics & Gynecology Physician · Bend, OR
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Bull, M.D. is a Obstetrics & Gynecology Physician provider in Bend, OR (NPI 1689678278).
Provider details
- NPI number
- 1689678278
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD21631 (OR)
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
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
519 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 | 164 | $127 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 102 | $90 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 52 | $9 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 45 | $164 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 41 | $39 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 237 | 105 |
| Progesterone, Micronizedbrand: Progesterone | 142 | 51 |
| Estradiolbrand: Dotti | 94 | 28 |
| Estradiolbrand: Estradiol (twice Weekly) | 60 | 27 |
| Clobetasol Propionate | 51 | 34 |
| Triamcinolone Acetonide | 30 | 20 |
| Tacrolimus | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$190 across 10 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
Additional practice locations (1)
- 63870 W Quail Haven DrBend, OR 97701-8131Phone: (541) 390-1721
Registry dates
- Enumerated
- 2005-06-10
- Last updated
- 2022-08-24
- Certified
- 2022-08-24
Frequently asked questions
- What is Tammy Bull's NPI number?
- Tammy Bull's National Provider Identifier (NPI) is 1689678278, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Bull's specialty?
- Tammy Bull is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Tammy Bull located?
- Tammy Bull's practice location on file with NPPES is 1501 Ne Medical Center Dr, Bend, OR 97701-6051.
- What is Tammy Bull's phone number?
- The practice phone number listed in the NPPES registry for Tammy Bull is (541) 382-4900.
- Does Tammy Bull accept Medicare?
- Tammy Bull is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Bull's NPI active?
- Yes — Tammy Bull's NPI (1689678278) is active in the NPPES registry as of the last update on 2022-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.