Mary-Margaret Chren, MD
NPI 1265462956 · Dermatology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary-Margaret Chren, MD is a Dermatology Physician provider in Nashville, TN (NPI 1265462956).
Provider details
- NPI number
- 1265462956
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- G40731 (CA)
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
69 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 | 29 | $93 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 15 | $63 |
| Biopsy of Related Skin Growth, First Growth11102 | 13 | $29 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 12 | $52 |
Typical Medicare-allowed amounts for these services range $29–$93 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-05
- Last updated
- 2022-03-25
- Certified
- 2022-03-25
Frequently asked questions
- What is Mary-Margaret Chren's NPI number?
- Mary-Margaret Chren's National Provider Identifier (NPI) is 1265462956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary-Margaret Chren's specialty?
- Mary-Margaret Chren is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary-Margaret Chren located?
- Mary-Margaret Chren's practice location on file with NPPES is 719 Thompson Ln Ste 26300, Nashville, TN 37204-4679.
- What is Mary-Margaret Chren's phone number?
- The practice phone number listed in the NPPES registry for Mary-Margaret Chren is (615) 322-0845.
- Does Mary-Margaret Chren accept Medicare?
- Mary-Margaret Chren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary-Margaret Chren's NPI active?
- Yes — Mary-Margaret Chren's NPI (1265462956) is active in the NPPES registry as of the last update on 2022-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.