Alison C. Johnson, PA
- Medicare patients, 2024
- 208
- Part D claims, 2024
- 740
- Hospital affiliations
- 4
- Industry payments
- $130
- Medical groups
- 3
- Practice address
- 759 Chestnut Street, Springfield, MA 01199
- Practice phone
- Call (413) 794-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Alison Johnson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Alison C. Johnson is a physician assistant in Springfield, Massachusetts
Alison Johnson practices at Baystate Medical Center in Springfield, Massachusetts, part of Baystate Health.
Alison Johnson's NPI, 1730181355, was assigned on August 12, 2005. Alison Johnson holds Massachusetts license PA1543.
- NPI
- 1730181355NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799829461
- NPI enumeration date
- August 12, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (413) 794-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Alison C. Johnson practices at Baystate Medical Center in Springfield, Massachusetts
Alison Johnson's primary practice is Baystate Medical Center, at 759 Chestnut Street, Springfield, MA 01199 in Hampden County. The practice phone is (413) 794-0000.
- Baystate Medical Center759 Chestnut Street, Springfield, MA 01199 · Hampden CountyPhone(413) 794-0000
Source: Dmand AI Affiliation Data
Alison C. Johnson is affiliated with 6 sites of care and 3 medical groups
Alison Johnson's primary practice is Baystate Medical Center in Springfield, Massachusetts, part of Baystate Health. Alison Johnson is also affiliated with Baystate Noble Hospital. The medical group on file is Baystate Medical Practices. Dmand AI also links Alison Johnson to 2 more hospitals, 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Alison C. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Alison Johnson practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baystate Medical Center | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Baystate Health and 6.2K+ hospitals, with verified contacts in the same login.
Alison C. Johnson is one of 3,922 physician assistants in Massachusetts
Physician assistant is Alison Johnson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Alison Johnson's licenses on file in 2 states: Massachusetts and Connecticut.
Specialties and state licenses
- Physician assistant, MassachusettsPrimary
- Connecticut license
Physician assistants near Alison Johnson
Counts of physician assistants 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
Alison C. Johnson treated 208 Medicare patients in 2024, average age 78
CMS counts 208 Medicare patients who saw Alison Johnson in 2024. The largest group is 75 to 84, with 96 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.95, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Alison Johnson's median patient age at 74, with 65% women.
Alison Johnson's Medicare patients by age, 2024
Alison Johnson's Medicare patients by sex, 2024
- Women14369%
- Men6531%
Chronic conditions among Alison Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Cancer50%
- Ischemic heart disease37%
- Chronic kidney disease35%
- Anxiety32%
- Diabetes30%
Share of Medicare patients with each condition. A patient can have several.
Alison Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women65%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Alison C. Johnson wrote 740 Medicare Part D claims in 2024
In 2024, Alison Johnson wrote 740 Medicare Part D claims for 221 patients. 84% of them were for generic drugs.
Alison Johnson's Part D claims by kind of drug, 2024
- Generic620 claims84%
- Brand-name and other120 claims16%
Drug classes CMS tracks in Alison Johnson's Part D claims, 2024
- Opioids4%28 of 740 claims
- Antibiotics5%40 of 740 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Alison C. Johnson takes part in Medicare
Alison Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Alison C. Johnson received $130 in industry payments in 2025
CMS Open Payments shows 1 general payment to Alison Johnson from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Tactile Systems Technology Inc paid the most, $130.
Companies that paid Alison Johnson the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Alison C. Johnson'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Alison C. Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Alison C. Johnson's NPI number?
Alison C. Johnson's NPI number is 1730181355. It was assigned on August 12, 2005, and it is active in the NPI Registry.
What does Alison C. Johnson specialize in?
Alison C. Johnson is a physician assistant in Springfield, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Alison C. Johnson practice?
Alison Johnson practices at 759 Chestnut Street, Springfield, MA 01199. Alison Johnson's primary practice is Baystate Medical Center in Springfield, Massachusetts, part of Baystate Health. Dmand AI also links Alison Johnson to 2 hospitals, 2 group practices and clinics and 2 medical groups.
What is Alison C. Johnson's office phone number?
The practice phone on file for Alison Johnson is (413) 794-0000.
What is Alison C. Johnson's medical license number?
Alison Johnson holds Massachusetts license PA1543, one of the licenses on file in 2 states.
Which states has Alison C. Johnson been licensed in?
Dmand AI has state licenses on file for Alison Johnson in Massachusetts and Connecticut.
Which hospitals is Alison C. Johnson affiliated with?
Alison Johnson practices at Baystate Medical Center in Springfield, Massachusetts. Alison Johnson is also affiliated with Baystate Noble Hospital. Dmand AI links Alison Johnson to 2 more hospitals.
What medical group is Alison C. Johnson part of?
Alison Johnson is linked to Baystate Medical Practices. Dmand AI links Alison Johnson to 2 more medical groups.
Does Alison C. Johnson accept Medicare?
Yes. CMS lists Alison Johnson as accepting Medicare assignment.
How many Medicare patients does Alison C. Johnson see?
CMS counts 208 Medicare patients who saw Alison Johnson in 2024, with an average age of 78.
Has Alison C. Johnson received payments from drug or device companies?
CMS Open Payments shows $130 in general payments to Alison Johnson from 1 company from 2025 to 2025. The largest total came from Tactile Systems Technology Inc.
How long has Alison C. Johnson been practicing?
Alison Johnson graduated from medical school in 2002, 24 years ago.
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