John Hatzenbuehler, MD
NPI 1699844365 · Family Medicine Physician · South Portland, ME
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Hatzenbuehler, MD is a Family Medicine Physician provider in South Portland, ME (NPI 1699844365).
Provider details
- NPI number
- 1699844365
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD17466 (ME)
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 tenure28% of score
19 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
752 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 249 | $60 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 196 | $90 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 110 | $57 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 59 | $44 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 25 | $105 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 95 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 237 | 72 |
| Levothyroxine Sodium | 186 | 57 |
| Rosuvastatin Calcium | 155 | 47 |
| Losartan Potassium | 149 | 51 |
| Amlodipine Besylate | 141 | 53 |
| Tamsulosin Hcl | 114 | 41 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-07
- Last updated
- 2015-10-29
Frequently asked questions
- What is John Hatzenbuehler's NPI number?
- John Hatzenbuehler's National Provider Identifier (NPI) is 1699844365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hatzenbuehler's specialty?
- John Hatzenbuehler is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Hatzenbuehler located?
- John Hatzenbuehler's practice location on file with NPPES is 100 Foden Rd, East, South Portland, ME 04106.
- What is John Hatzenbuehler's phone number?
- The practice phone number listed in the NPPES registry for John Hatzenbuehler is (207) 523-8500.
- Does John Hatzenbuehler accept Medicare?
- John Hatzenbuehler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Hatzenbuehler's NPI active?
- Yes — John Hatzenbuehler's NPI (1699844365) is active in the NPPES registry as of the last update on 2015-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.