Robert Doll, M.D.
NPI 1043203375 · Endocrinology, Diabetes & Metabolism Physician · Allentown, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Doll, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Allentown, PA (NPI 1043203375).
Provider details
- NPI number
- 1043203375
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD021483E (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
20 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
979 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 437 | $85 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 278 | $118 |
| Hemoglobin A1c Level83036 | 187 | $9 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 35 | $53 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 26 | $33 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 812 | 220 |
| Semaglutidebrand: Ozempic | 279 | 55 |
| Levothyroxine Sodiumbrand: Synthroid | 276 | 68 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 231 | 78 |
| Metformin Hcl | 224 | 66 |
| Empagliflozinbrand: Jardiance | 188 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-23
- Last updated
- 2015-11-18
Frequently asked questions
- What is Robert Doll's NPI number?
- Robert Doll's National Provider Identifier (NPI) is 1043203375, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Doll's specialty?
- Robert Doll is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Doll located?
- Robert Doll's practice location on file with NPPES is 1243 S Cedar Crest Blvd, Allentown, PA 18103-6268.
- What is Robert Doll's phone number?
- The practice phone number listed in the NPPES registry for Robert Doll is (610) 402-6790.
- Does Robert Doll accept Medicare?
- Robert Doll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Doll's NPI active?
- Yes — Robert Doll's NPI (1043203375) is active in the NPPES registry as of the last update on 2015-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.