Dr. Alexander Michael Johnston, MD
- Medicare services, 2024
- 204
- Medicare patients, 2024
- 170
- Hospital affiliations
- 4
- Industry payments
- $618
- Medical groups
- 3
- Practice address
- One Guthrie Square, Sayre, PA 18840
- Practice phone
- Call (570) 888-6666
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Johnston's professional email, personal email and mobile number
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Dr. Alexander Michael Johnston is a general surgeon in Sayre, Pennsylvania
Dr. Johnston practices at Guthrie Robert Packer Hospital in Sayre, Pennsylvania, part of The Guthrie Clinic.
Dr. Johnston's NPI, 1356785604, was assigned on April 17, 2013. Dr. Johnston graduated from Royal College of Surgeons in Ireland - Medical University of Bahrain in 2013. Dr. Johnston holds Virginia license 0101266985.
- NPI
- 1356785604NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800185232
- NPI enumeration date
- April 17, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (570) 888-6666
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexander Michael Johnston practices at 2 locations in Sayre, Pennsylvania
Dr. Johnston's primary practice is Guthrie Robert Packer Hospital, at One Guthrie Square, Sayre, PA 18840 in Bradford County. The practice phone is (570) 888-6666. Dr. Johnston also practices at Guthrie Robert Packer Hospital, 1 Guthrie Sq, Sayre, PA 18840.
- Guthrie Robert Packer HospitalPrimaryOne Guthrie Square, Sayre, PA 18840 · Bradford CountyPhone(570) 888-6666
- Guthrie Robert Packer Hospital1 Guthrie Sq, Sayre, PA 18840 · Bradford CountyPhone(570) 888-6666
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Alexander Michael Johnston is affiliated with 7 sites of care and 3 medical groups
Dr. Johnston's primary practice is Guthrie Robert Packer Hospital in Sayre, Pennsylvania, part of The Guthrie Clinic. Dr. Johnston is also affiliated with Cayuga Medical Center. The medical group on file is Guthrie Medical Group. Dmand AI also links Dr. Johnston to 2 more hospitals, 2 group practices and clinics, 2 medical groups and 1 breast imaging center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alexander Michael Johnston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnston practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Guthrie Robert Packer Hospital | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexander Michael Johnston is one of 1,398 general surgeons in Pennsylvania
Surgery is Dr. Johnston's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Johnston is licensed in Virginia.
Specialties and state licenses
- Surgery, VirginiaPrimary
General surgeons near Dr. Johnston
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Alexander Michael Johnston billed Medicare for 204 services in 2024
CMS data shows 204 Medicare services from Dr. Johnston across 7 procedure codes in 2024, for 170 Medicare patients. Medicare paid $16,260 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Johnston's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2502024: 20418%
Dr. Johnston compared with the Pennsylvania median for general surgeons, 2024
- Dr. Johnston
- Pennsylvania median
- Medicare services
- 204vs 15829% above
- Medicare patients
- 170vs 12734% above
Medians across 1,213 general surgeons in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Johnston's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnston and other general surgeons in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexander Michael Johnston treated 170 Medicare patients in 2024, average age 76
CMS counts 170 Medicare patients who saw Dr. Johnston in 2024. The largest group is 75 to 84, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Johnston's median patient age at 73, with 58% women.
Dr. Johnston's Medicare patients by age, 2024
Dr. Johnston's Medicare patients by sex, 2024
- Women8047%
- Men9053%
Chronic conditions among Dr. Johnston's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Diabetes44%
- Ischemic heart disease42%
- Mood disorders42%
- Anxiety39%
- Depression39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnston's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Alexander Michael Johnston takes part in Medicare
Dr. Johnston accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Alexander Michael Johnston received $618 in industry payments from 2019 to 2024
CMS Open Payments shows 4 general payments to Dr. Johnston from 3 drug and device companies from 2019 to 2024. Travel and lodging make up the largest share, 82% of the total. Davol Inc. paid the most, $543.
General payments to Dr. Johnston by program year, 2019 to 2024
General payments to Dr. Johnston by kind, 2019 to 2024
- Travel and lodging$50882%
- Food and beverage$11018%
Companies that paid Dr. Johnston the most, 2019 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alexander Michael Johnston graduated from Royal College of Surgeons in Ireland - Medical University of Bahrain
Dr. Johnston graduated from Royal College of Surgeons in Ireland - Medical University of Bahrain in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alexander Michael Johnston's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Alexander Michael Johnston
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Alexander Michael Johnston's NPI number?
Dr. Alexander Michael Johnston's NPI number is 1356785604. It was assigned on April 17, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander Michael Johnston?
Dr. Alexander Michael Johnston is a general surgeon in Sayre, Pennsylvania. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Alexander Michael Johnston practice?
Dr. Johnston practices at One Guthrie Square, Sayre, PA 18840. Dr. Johnston also practices at 1 Guthrie Sq, Sayre, PA 18840. Dr. Johnston's primary practice is Guthrie Robert Packer Hospital in Sayre, Pennsylvania, part of The Guthrie Clinic. Dmand AI also links Dr. Johnston to 2 hospitals, 2 group practices and clinics, 2 medical groups and 1 breast imaging center.
What is Dr. Alexander Michael Johnston's office phone number?
The practice phone on file for Dr. Johnston is (570) 888-6666.
What is Dr. Alexander Michael Johnston's medical license number?
Dr. Johnston holds Virginia license 0101266985.
Which hospitals is Dr. Alexander Michael Johnston affiliated with?
Dr. Johnston practices at Guthrie Robert Packer Hospital in Sayre, Pennsylvania. Dr. Johnston is also affiliated with Cayuga Medical Center. Dmand AI links Dr. Johnston to 2 more hospitals.
What medical group is Dr. Alexander Michael Johnston part of?
Dr. Johnston is linked to Guthrie Medical Group. Dmand AI links Dr. Johnston to 2 more medical groups.
Does Dr. Alexander Michael Johnston accept Medicare?
Yes. CMS data shows Dr. Johnston billed Medicare for 204 services in 2024, and Dr. Johnston accepts Medicare assignment.
How many Medicare patients does Dr. Alexander Michael Johnston see?
CMS counts 170 Medicare patients who saw Dr. Johnston in 2024, with an average age of 76.
What services does Dr. Alexander Michael Johnston bill to Medicare?
In 2024, Dr. Johnston's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99222) and hospital inpatient care (99232).
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Where did Dr. Alexander Michael Johnston go to medical school?
Dr. Johnston graduated from Royal College of Surgeons in Ireland - Medical University of Bahrain in 2013.
Has Dr. Alexander Michael Johnston received payments from drug or device companies?
CMS Open Payments shows $618 in general payments to Dr. Johnston from 3 companies from 2019 to 2024. The largest total came from Davol Inc.
How long has Dr. Alexander Michael Johnston been practicing?
Dr. Johnston graduated from medical school in 2013, 13 years ago.
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