Kaloyan Tanev, MD
NPI 1538166889 · Psychiatry Physician · Boston, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kaloyan Tanev, MD is a Psychiatry Physician provider in Boston, MA (NPI 1538166889).
Provider details
- NPI number
- 1538166889
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 235195 (MA)
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
159 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 95 | $165 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 64 | $114 |
Typical Medicare-allowed amounts for these services range $114–$165 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Divalproex Sodiumbrand: Divalproex Sodium Er | 64 |
| Divalproex Sodium | 64 |
| Risperidone | 58 |
| Clonazepam | 49 |
| Escitalopram Oxalate | 44 |
| Amantadine Hclbrand: Amantadine | 44 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 43 |
| Benztropine Mesylate | 42 |
| Prazosin Hcl | 38 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-01
- Last updated
- 2010-10-08
Frequently asked questions
- What is Kaloyan Tanev's NPI number?
- Kaloyan Tanev's National Provider Identifier (NPI) is 1538166889, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kaloyan Tanev's specialty?
- Kaloyan Tanev is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Kaloyan Tanev located?
- Kaloyan Tanev's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Kaloyan Tanev's phone number?
- The practice phone number listed in the NPPES registry for Kaloyan Tanev is (617) 726-7511.
- Does Kaloyan Tanev accept Medicare?
- Kaloyan Tanev is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kaloyan Tanev's NPI active?
- Yes — Kaloyan Tanev's NPI (1538166889) is active in the NPPES registry as of the last update on 2010-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.