Quick answers
- Does Tim M. Zheng accept Medicare assignment?
- Yes. Medicare's clinician data says Tim M. Zheng accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Tim M. Zheng see?
- In 2024, CMS data shows 12,798 Original Medicare patients and 29,998 services for Tim M. Zheng. This counts Original Medicare only and measures volume, not quality.
- What is Tim M. Zheng's NPI number?
- 1639252182. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Tim M. Zheng, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 12,798 |
|---|---|
| Services billed to Medicare | 29,998 |
| Different services or procedures | 81 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, screening by cytotechnologist under physician supervision (G0123)8,826 services
- Detection test by nucleic acid for human papillomavirus (hpv), high-risk types (87624)3,786 services
- Bacterial colony count, urine (87086)2,480 services
- Measurement of rna of bacteria in vaginal fluid specimen (81513)2,186 services
- Detection test for candida species (yeast), amplified probe technique (87481)2,152 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure57%
- Arthritis46%
- Anxiety27%
- Osteoporosis26%
- Diabetes19%
Practice locations
Addresses where Tim M. Zheng is enrolled with Medicare (CMS data updated October 2, 2026).
- 400 Cresson Blvd, 300 PA PolOaks, PA 19456 (484) 842‑0717
- 450 Cresson BlvdOaks, PA 19456
- 919 Conestoga Rd, Suite 104Bryn Mawr, PA 19010 (610) 525‑6400
Group practices
Medicare enrollment lists Tim M. Zheng as a member of this group (CMS data updated October 2, 2026).
- Regional Womens Health Group LLC354 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Other clinicians in Regional Womens Health Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1994 (32 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639252182 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians