Erik Maskin, D.O
NPI 1225155716 · Hospitalist Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erik Maskin, D.O is a Hospitalist Physician provider in Phoenix, AZ (NPI 1225155716).
Provider details
- NPI number
- 1225155716
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
- License
- 4557 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
6,729 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 4,118 | $103 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 1,042 | $147 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 334 | $112 |
| Advance Care Planning, First 30 Minutes99497 | 283 | $72 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 279 | $175 |
| Nursing Facility Discharge Management, More Than 30 Minutes99316 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 122 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 224 | 75 |
| Gabapentin | 204 | 57 |
| Apixabanbrand: Eliquis | 200 | 48 |
| Levothyroxine Sodium | 191 | 54 |
| Pantoprazole Sodium | 184 | 59 |
| Furosemide | 154 | 56 |
| Sertraline Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$60 across 1 record (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
Additional practice locations (1)
- 9225 N 3rd St Ste 300Phoenix, AZ 85020-2466Phone: (602) 445-0751Fax: (602) 424-8128
Registry dates
- Enumerated
- 2007-03-22
- Last updated
- 2022-05-03
- Certified
- 2022-05-03
Frequently asked questions
- What is Erik Maskin's NPI number?
- Erik Maskin's National Provider Identifier (NPI) is 1225155716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erik Maskin's specialty?
- Erik Maskin is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Erik Maskin located?
- Erik Maskin's practice location on file with NPPES is 250 E Dunlap Ave, Phoenix, AZ 85020-2825.
- What is Erik Maskin's phone number?
- The practice phone number listed in the NPPES registry for Erik Maskin is (602) 445-0751.
- Does Erik Maskin accept Medicare?
- Erik Maskin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erik Maskin's NPI active?
- Yes — Erik Maskin's NPI (1225155716) is active in the NPPES registry as of the last update on 2022-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.