Ivy M. Johnson, PA-C
Surgical Physician Assistant · Irvine, CA
Ivy M. Johnson, PA-C is a surgical physician assistant with a practice address in Irvine, California, and NPI 1962553628, issued on Jan 16, 2007. Check the license (California PA 15987, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ivy M. Johnson
- Credential
- PA-C
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License numbers
- PA 15987 CA
PA15987 CA
Self-reported in NPPES; status is on the state search - Practice location
- 113 Waterworks Way Ste 240, Irvine, CA 92618
- Phone
- (949) 340-9622
- Enumerated
- Jan 16, 2007
- Record last updated
- Jun 17, 2026
- Fax
- (949) 528-3969
- Medicare enrollment
- Enrolled (PECOS I20040907001322); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 1,075 in California → Look up another NPI →
Also registered at 113 Waterworks Way Ste 240
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raed Ali, MDOrthopaedic Surgery Physician1891795449
- Tennille Greenfield, PA-CSurgical Physician Assistant1265640734
- Eric Lin, MDOrthopaedic Surgery of the Spine Physician1053510099
- Genevieve Luarca, NP-CNurse Practitioner1134772973
- Farnoosh Nadalizadeh, PA-CPhysician Assistant1619665189
- Ketan Patel, MDPain Medicine Physician1316320864
Verify Ivy M. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA 15987Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average surgical physician assistant in 2024
291 Medicare Part D claims for 115 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 73 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen42 claims
- Tizanidine Hcl41 claims
- Gabapentin39 claims
- Methylprednisolone32 claims
- Tramadol Hcl19 claims
- Sulfamethoxazole-Trimethoprim17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $45.30
2 payments; by number, the most common kind was food and beverage; the largest payer was SI-Bone, Inc. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Align Spine CenterIrvine, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ivy M. Johnson among 1,075 surgical physician assistant records in California
Ivy M. Johnson, PA-C is one of 1,075 surgical physician assistant records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 26% of them.
- NPI issued2007 · 26% of these records are older, 59% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2001 · median 2012 among the 649 with a school on file
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in California
There are 1,075 surgical physician assistant records in California.
All 1,075 in California → Every provider in Irvine → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Tennille Greenfield, PA-CIrvine, CA 926181265640734
- Beatriz Simons, PAIrvine, CA 926181134537871
- Cindy Williams, P.A.Irvine, CA 926181144500968
- Tracy Arsenault, PA-CIrvine, CA 926041497056824
- Candice Castro, PA-CLaguna Woods, CA 926371457645574
- Joseph ChenHuntington Beach, CA 926471710365705
- Teresa Latham, PA-CHuntington Beach, CA 926481891712881
- Shien-Lin Saber, PA-CLaguna Beach, CA 926511861566689
Common questions
What is Ivy M. Johnson, PA-C's NPI number?
Ivy M. Johnson, PA-C's National Provider Identifier (NPI) is 1962553628, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ivy M. Johnson, PA-C located?
The NPPES record lists a practice address at 113 Waterworks Way Ste 240, Irvine, CA, 92618. Phone: (949) 340-9622. Providers update this record themselves, so call before visiting.
How can I verify Ivy M. Johnson, PA-C's license?
NPPES lists California license number PA 15987, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ivy M. Johnson, PA-C prescribe under Medicare Part D?
In 2024, Ivy M. Johnson, PA-C had 291 Medicare Part D claims for 115 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.