Constance Flanagan, MD
NPI 1891946810 · Child & Adolescent Psychiatry Physician · Glen Burnie, MD
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Constance Flanagan, MD is a Child & Adolescent Psychiatry Physician provider in Glen Burnie, MD (NPI 1891946810).
Provider details
- NPI number
- 1891946810
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- D0072974 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
594 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Psychotherapy, 30 Minutes90832 | 207 | $81 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 142 | $137 |
| Psychotherapy, 1 Hour90837 | 116 | $157 |
| Psychotherapy, 45 Minutes90834 | 82 | $110 |
| Psychiatric Diagnostic Evaluation90791 | 25 | $173 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 22 | $196 |
Typical Medicare-allowed amounts for these services range $81–$196 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Benztropine Mesylate | 44 | — |
| Clonazepam | 43 | 11 |
| Escitalopram Oxalate | 31 | — |
| Olanzapine | 26 | — |
| Lurasidone Hcl | 22 | — |
| Haloperidol | 17 | — |
| Fluphenazine Hcl | 17 | — |
| Clozapine | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$81 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-10-08
- Last updated
- 2015-07-17
Frequently asked questions
- What is Constance Flanagan's NPI number?
- Constance Flanagan's National Provider Identifier (NPI) is 1891946810, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Constance Flanagan's specialty?
- Constance Flanagan is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Constance Flanagan located?
- Constance Flanagan's practice location on file with NPPES is 122 Langley Rd N, Glen Burnie, MD 21060-6531.
- What is Constance Flanagan's phone number?
- The practice phone number listed in the NPPES registry for Constance Flanagan is (410) 222-6785.
- Does Constance Flanagan accept Medicare?
- Constance Flanagan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Constance Flanagan's NPI active?
- Yes — Constance Flanagan's NPI (1891946810) is active in the NPPES registry as of the last update on 2015-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.