Charlton Haerter, MD
NPI 1598758336 · Hospitalist Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charlton Haerter, MD is a Hospitalist Physician provider in Phoenix, AZ (NPI 1598758336).
Provider details
- NPI number
- 1598758336
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 31842 (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
20 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
2,172 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 | 1,117 | $103 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 334 | $112 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 276 | $146 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 114 | $109 |
| Advance Care Planning, First 30 Minutes99497 | 89 | $72 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 91 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 212 | 73 |
| Levothyroxine Sodium | 144 | 35 |
| Apixabanbrand: Eliquis | 144 | 43 |
| Metoprolol Tartrate | 126 | 40 |
| Gabapentin | 118 | 37 |
| Amlodipine Besylate | 102 | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 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 StSuite 300Phoenix, AZ 85020-2439Phone: (602) 445-0751Fax: (602) 424-8128
Registry dates
- Enumerated
- 2005-08-26
- Last updated
- 2022-05-03
- Certified
- 2022-05-03
Frequently asked questions
- What is Charlton Haerter's NPI number?
- Charlton Haerter's National Provider Identifier (NPI) is 1598758336, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charlton Haerter's specialty?
- Charlton Haerter is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Charlton Haerter located?
- Charlton Haerter's practice location on file with NPPES is 250 E Dunlap Ave, Phoenix, AZ 85020-2825.
- What is Charlton Haerter's phone number?
- The practice phone number listed in the NPPES registry for Charlton Haerter is (602) 445-0751.
- Does Charlton Haerter accept Medicare?
- Charlton Haerter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charlton Haerter's NPI active?
- Yes — Charlton Haerter's NPI (1598758336) 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.