Mary Christopher, M.D.
NPI 1629432083 · Psychiatry Physician · New York, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Christopher, M.D. is a Psychiatry Physician provider in New York, NY (NPI 1629432083).
Provider details
- NPI number
- 1629432083
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 30376201 (NY)
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
10 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
112 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 | 99 | $125 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 13 | $161 |
Typical Medicare-allowed amounts for these services range $125–$161 (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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Escitalopram Oxalate | 65 |
| Clonazepam | 54 |
| Sertraline Hcl | 48 |
| Alprazolam | 44 |
| Mirtazapine | 34 |
| Bupropion Hclbrand: Bupropion Xl | 28 |
| Zolpidem Tartrate | 20 |
| Lorazepam | 19 |
| Olanzapine | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-11
- Last updated
- 2021-10-10
- Certified
- 2021-10-10
Frequently asked questions
- What is Mary Christopher's NPI number?
- Mary Christopher's National Provider Identifier (NPI) is 1629432083, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Christopher's specialty?
- Mary Christopher is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Christopher located?
- Mary Christopher's practice location on file with NPPES is 1 Gustave L Levy Pl, New York, NY 10029-6504.
- What is Mary Christopher's phone number?
- The practice phone number listed in the NPPES registry for Mary Christopher is (212) 241-6500.
- Does Mary Christopher accept Medicare?
- Mary Christopher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Christopher's NPI active?
- Yes — Mary Christopher's NPI (1629432083) is active in the NPPES registry as of the last update on 2021-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.