Marianne Spengler, M.D.
NPI 1235591454 · Hematology & Oncology Physician · Lebanon, PA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marianne Spengler, M.D. is a Hematology & Oncology Physician provider in Lebanon, PA (NPI 1235591454).
Provider details
- NPI number
- 1235591454
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD477356 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 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
904 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 404 | $92 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 244 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 111 | $63 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 64 | $172 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 62 | $135 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 206 | 53 |
| Letrozole | 65 | 18 |
| Ondansetron Hcl | 63 | 40 |
| Apixabanbrand: Eliquis | 60 | 11 |
| Prednisone | 57 | 18 |
| Abiraterone Acetate | 53 | — |
| Dexamethasone | 50 | 23 |
| Acyclovir | 41 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-26
- Last updated
- 2024-07-01
- Certified
- 2024-07-01
Frequently asked questions
- What is Marianne Spengler's NPI number?
- Marianne Spengler's National Provider Identifier (NPI) is 1235591454, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Spengler's specialty?
- Marianne Spengler is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Marianne Spengler located?
- Marianne Spengler's practice location on file with NPPES is 844 Tuck St, Lebanon, PA 17042-7477.
- What is Marianne Spengler's phone number?
- The practice phone number listed in the NPPES registry for Marianne Spengler is (717) 274-8875.
- Does Marianne Spengler accept Medicare?
- Marianne Spengler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marianne Spengler's NPI active?
- Yes — Marianne Spengler's NPI (1235591454) is active in the NPPES registry as of the last update on 2024-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.