Robert Siefring, MD
NPI 1598861791 · Obstetrics & Gynecology Physician · Burlington, NJ
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Siefring, MD is a Obstetrics & Gynecology Physician provider in Burlington, NJ (NPI 1598861791).
Provider details
- NPI number
- 1598861791
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MA40773 (NJ)
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
19 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
373 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 | 129 | $97 |
| Pelvic Exam99459 | 74 | $25 |
| Smear for Infectious Agents87210 | 67 | $6 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 38 | $137 |
| Body Fluid Ph Level83986 | 22 | $4 |
| Vaginal Fluid Chemical Analysis for Bacteria82120 | 20 | $6 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 158 | 59 |
| Clobetasol Propionate | 109 | 55 |
| Estradiolbrand: Yuvafem | 46 | — |
| Fluconazole | 29 | 15 |
| Gabapentin | 17 | — |
| Clindamycin Phosphate | 16 | 12 |
| Valacyclovir Hclbrand: Valacyclovir | 15 | — |
| Clotrimazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-15
- Last updated
- 2015-10-01
Frequently asked questions
- What is Robert Siefring's NPI number?
- Robert Siefring's National Provider Identifier (NPI) is 1598861791, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Siefring's specialty?
- Robert Siefring is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Siefring located?
- Robert Siefring's practice location on file with NPPES is 1900 Burlington Mount Holly Rd Ste D, Burlington, NJ 08016-4722.
- What is Robert Siefring's phone number?
- The practice phone number listed in the NPPES registry for Robert Siefring is (609) 835-5570.
- Does Robert Siefring accept Medicare?
- Robert Siefring is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Siefring's NPI active?
- Yes — Robert Siefring's NPI (1598861791) is active in the NPPES registry as of the last update on 2015-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.