Isha Tiernan, M.D.
NPI 1164804928 · Dermatology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isha Tiernan, M.D. is a Dermatology Physician provider in Boston, MA (NPI 1164804928).
Provider details
- NPI number
- 1164804928
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- LP03600 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
973 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 176 | $8 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 141 | $2 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 116 | $99 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 91 | $69 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 67 | $140 |
| Destruction of Precancer Skin Growth, 1 Growth17000 |
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 |
|---|---|---|
| Triamcinolone Acetonide | 37 | 23 |
| Ketoconazole | 34 | 18 |
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 25 | — |
| Dupilumabbrand: Dupixent Pen | 24 | — |
| Tacrolimus | 21 | 12 |
| Hydrocortisone | 19 | 12 |
| Secukinumabbrand: Cosentyx Sensoready (2 Pens) | 14 | — |
Practice location
Mailing address
Additional practice locations (1)
- Tufts Medical Center800 Washington StreetBoston, MA 02111Phone: (617) 636-5000
Registry dates
- Enumerated
- 2015-06-29
- Last updated
- 2019-09-16
Frequently asked questions
- What is Isha Tiernan's NPI number?
- Isha Tiernan's National Provider Identifier (NPI) is 1164804928, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isha Tiernan's specialty?
- Isha Tiernan is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Isha Tiernan located?
- Isha Tiernan's practice location on file with NPPES is Tufts Medical Center, Boston, MA 02111.
- What is Isha Tiernan's phone number?
- The practice phone number listed in the NPPES registry for Isha Tiernan is (617) 636-5000.
- Does Isha Tiernan accept Medicare?
- Isha Tiernan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isha Tiernan's NPI active?
- Yes — Isha Tiernan's NPI (1164804928) is active in the NPPES registry as of the last update on 2019-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.