Joel Griffith, PMHNP-BC
NPI 1508338203 · Psychiatric/Mental Health Nurse Practitioner · Frederick, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joel Griffith, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Frederick, MD (NPI 1508338203).
Provider details
- NPI number
- 1508338203
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- R195432 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 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
572 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 408 | $108 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 63 | $76 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 39 | $153 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 32 | $47 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 30 | $108 |
Typical Medicare-allowed amounts for these services range $47–$153 (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 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 382 | 29 |
| Benztropine Mesylate | 371 | 36 |
| Divalproex Sodium | 321 | 26 |
| Escitalopram Oxalate | 273 | 23 |
| Trazodone Hcl | 203 | 19 |
| Hydroxyzine Hcl | 198 | 26 |
| Clonazepam | 194 | 21 |
| Haloperidol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$238 across 7 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
- 2018-12-19
- Last updated
- 2018-12-19
Frequently asked questions
- What is Joel Griffith's NPI number?
- Joel Griffith's National Provider Identifier (NPI) is 1508338203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joel Griffith's specialty?
- Joel Griffith is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joel Griffith located?
- Joel Griffith's practice location on file with NPPES is 251 W Patrick St, Frederick, MD 21701-6942.
- What is Joel Griffith's phone number?
- The practice phone number listed in the NPPES registry for Joel Griffith is (301) 662-0099.
- Does Joel Griffith accept Medicare?
- Joel Griffith is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joel Griffith's NPI active?
- Yes — Joel Griffith's NPI (1508338203) is active in the NPPES registry as of the last update on 2018-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.