Christopher Harmon, M.D.
NPI 1710912779 · Psychiatry Physician · Chelsea, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Harmon, M.D. is a Psychiatry Physician provider in Chelsea, MA (NPI 1710912779).
Provider details
- NPI number
- 1710912779
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 79196 (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
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
534 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 | 516 | $134 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 18 | $190 |
Typical Medicare-allowed amounts for these services range $134–$190 (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 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 566 | 75 |
| Risperidone | 402 | 36 |
| Lorazepam | 314 | 45 |
| Trazodone Hcl | 285 | 42 |
| Gabapentin | 251 | 29 |
| Buspirone Hcl | 236 | 31 |
| Zolpidem Tartrate | 225 | 31 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Christopher Harmon's NPI number?
- Christopher Harmon's National Provider Identifier (NPI) is 1710912779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Harmon's specialty?
- Christopher Harmon is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Harmon located?
- Christopher Harmon's practice location on file with NPPES is 301 Broadway, Chelsea, MA 02150-2807.
- What is Christopher Harmon's phone number?
- The practice phone number listed in the NPPES registry for Christopher Harmon is (617) 889-3300.
- Does Christopher Harmon accept Medicare?
- Christopher Harmon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Harmon's NPI active?
- Yes — Christopher Harmon's NPI (1710912779) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.