Susanna Ulahannan, M.D.
NPI 1033369988 · Hematology & Oncology Physician · Ponca City, OK
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susanna Ulahannan, M.D. is a Hematology & Oncology Physician provider in Ponca City, OK (NPI 1033369988).
Provider details
- NPI number
- 1033369988
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 30484EFF (OK)
Specialties & taxonomies
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
17 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
292 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 231 | $134 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 34 | $169 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 15 | $120 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 12 | $90 |
Typical Medicare-allowed amounts for these services range $90–$169 (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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 65 | 23 |
| Apixabanbrand: Eliquis | 48 | 16 |
| Prochlorperazine Maleate | 32 | 21 |
| Lipase/Protease/Amylasebrand: Creon | 28 | — |
| Olanzapine | 26 | 11 |
| Ondansetron Hcl | 26 | 22 |
| Gabapentin | 23 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,538 across 11 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
- 2008-09-29
- Last updated
- 2015-05-15
Frequently asked questions
- What is Susanna Ulahannan's NPI number?
- Susanna Ulahannan's National Provider Identifier (NPI) is 1033369988, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susanna Ulahannan's specialty?
- Susanna Ulahannan is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Susanna Ulahannan located?
- Susanna Ulahannan's practice location on file with NPPES is 609 Virginia Ave, Ponca City, OK 74601-2911.
- What is Susanna Ulahannan's phone number?
- The practice phone number listed in the NPPES registry for Susanna Ulahannan is (580) 767-1300.
- Does Susanna Ulahannan accept Medicare?
- Susanna Ulahannan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susanna Ulahannan's NPI active?
- Yes — Susanna Ulahannan's NPI (1033369988) is active in the NPPES registry as of the last update on 2015-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.