Dr. Shaghayegh D. Johnson, MD
- Medicare services, 2020
- 158
- Part D claims, 2024
- 63
- Hospital affiliations
- 2
- Medical group
- 1
- State licenses
- 2
- Practice address
- 1777 West Yosemite Ave, Manteca, CA 95337
- Practice phone
- Call (209) 825-3700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Shaghayegh D. Johnson is an emergency medicine physician in Manteca, California
Dr. Johnson practices at Manteca Medical Center in Manteca, California, part of Kaiser Permanente.
Dr. Johnson's NPI, 1841453735, was assigned on July 9, 2008. Dr. Johnson graduated from University of Illinois College of Medicine - Chicago in 2008. Dr. Johnson's California license number on file is A117785.
- NPI
- 1841453735NPI Registry (opens in a new tab)
- NPI enumeration date
- July 9, 2008
- NPI status
- Active
- Practice phone
- (209) 825-3700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Shaghayegh D. Johnson practices at Manteca Medical Center in Manteca, California
Dr. Johnson's primary practice is Manteca Medical Center, at 1777 West Yosemite Ave, Manteca, CA 95337 in San Joaquin County. The practice phone is (209) 825-3700.
- Manteca Medical Center1777 West Yosemite Ave, Manteca, CA 95337 · San Joaquin CountyPhone(209) 825-3700
Source: Dmand AI Affiliation Data
Dr. Shaghayegh D. Johnson is affiliated with 2 sites of care and 1 medical group
Dr. Johnson's primary practice is Manteca Medical Center in Manteca, California, part of Kaiser Permanente. Dr. Johnson is also affiliated with Alta Bates Summit Medical Center | Alta Bates Campus. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Shaghayegh D. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Manteca Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Shaghayegh D. Johnson is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Johnson is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Johnson's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- New York license
Emergency medicine physicians near Dr. Johnson
Counts of emergency medicine physicians 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. Shaghayegh D. Johnson billed Medicare for 158 services in 2020
CMS data shows 158 Medicare services from Dr. Johnson across 3 procedure codes in 2020. Medicare paid $11,794 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Johnson's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 4122020: 9078%
- Tests and treatments
- 2019: 2792020: 6876%
- Imaging
- 2019: 192020: 0100%
Dr. Johnson compared with the California median for emergency medicine physicians, 2020
- Dr. Johnson
- California median
- Medicare services
- 158vs 26540% below
- Part D claims
- 12vs 6281% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Johnson's most billed Medicare procedure codes, 2020
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. Johnson and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Shaghayegh D. Johnson's patients have a median age of 44
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 44, with 59% women.
Dr. 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 44
Patient panel by sex, all payers
- Women59%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. Shaghayegh D. Johnson wrote 63 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 63 Medicare Part D claims for 46 patients. 98% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $465 in total drug cost. In 2022, CMS named 15 claims across 1 drug.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic62 claims98%
- Brand-name and other1 claims2%
Dr. Johnson's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Johnson's Part D claims, 2024
- Opioids17%11 of 63 claims
- Antibiotics38%24 of 63 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 152023: 1220%
Drugs named by CMS: 1 in 2023, 1 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Shaghayegh D. Johnson graduated from University of Illinois College of Medicine - Chicago
Dr. Johnson graduated from University of Illinois College of Medicine - Chicago in 2008.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Shaghayegh D. 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 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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. Shaghayegh D. 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 Dr. Shaghayegh D. Johnson's NPI number?
Dr. Shaghayegh D. Johnson's NPI number is 1841453735. It was assigned on July 9, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Shaghayegh D. Johnson?
Dr. Shaghayegh D. Johnson is an emergency medicine physician in Manteca, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Shaghayegh D. Johnson practice?
Dr. Johnson practices at 1777 West Yosemite Ave, Manteca, CA 95337. Dr. Johnson's primary practice is Manteca Medical Center in Manteca, California, part of Kaiser Permanente.
What is Dr. Shaghayegh D. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (209) 825-3700.
What is Dr. Shaghayegh D. Johnson's medical license number?
Dr. Johnson's California license number on file is A117785, one of the licenses on file in 2 states.
Which states has Dr. Shaghayegh D. Johnson been licensed in?
Dmand AI has state licenses on file for Dr. Johnson in California (2011 to 2025) and New York (2010 to 2014).
Which hospitals is Dr. Shaghayegh D. Johnson affiliated with?
Dr. Johnson practices at Manteca Medical Center in Manteca, California. Dr. Johnson is also affiliated with Alta Bates Summit Medical Center | Alta Bates Campus.
What medical group is Dr. Shaghayegh D. Johnson part of?
Dr. Johnson is linked to The Permanente Medical Group, Inc.
Does Dr. Shaghayegh D. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 158 services in 2020.
Is Dr. Shaghayegh D. Johnson board certified?
Yes. Dr. Johnson is board certified in emergency medicine by the American Board of Emergency Medicine.
Show 4 more questionsShow fewer questions
What services does Dr. Shaghayegh D. Johnson bill to Medicare?
In 2020, Dr. Johnson's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and emergency department visit (99284).
Where did Dr. Shaghayegh D. Johnson go to medical school?
Dr. Johnson graduated from University of Illinois College of Medicine - Chicago in 2008.
What drugs does Dr. Shaghayegh D. Johnson prescribe most?
In 2023 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Cefpodoxime Proxetil.
How long has Dr. Shaghayegh D. Johnson been practicing?
Dr. Johnson graduated from medical school in 2008, 18 years ago.
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