Dr. Crystal Y. Johnson, MD
- Medicare services, 2024
- 532
- Medicare patients, 2024
- 284
- Part D claims, 2024
- 45
- MIPS score, 2024
- 84
- Hospital affiliations
- 1
- Practice address
- 3000 Longtown Rd, Ridgeway, SC 29130
- Practice phone
- Call (803) 314-0550
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lexington Health Inc
Ridgeway, South Carolina
Find Dr. 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.
Dr. Crystal Y. Johnson is an OB-GYN in Ridgeway, South Carolina
Dr. Johnson practices at Lexington Health Inc in Ridgeway, South Carolina.
Dr. Johnson's NPI, 1407804826, was assigned on May 5, 2006. Dr. Johnson graduated from University of South Carolina School of Medicine in 2001. Dr. Johnson holds South Carolina license 27811.
- NPI
- 1407804826NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305866815
- NPI enumeration date
- May 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (803) 314-0550
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Crystal Y. Johnson practices at Lexington Health Inc in Ridgeway, South Carolina
Dr. Johnson's primary practice is Lexington Health Inc, at 3000 Longtown Rd, Ridgeway, SC 29130 in Fairfield County. The practice phone is (803) 314-0550.
- Lexington Health Inc3000 Longtown Rd, Ridgeway, SC 29130 · Fairfield CountyPhone(803) 314-0550
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Crystal Y. Johnson is affiliated with 3 sites of care and 1 medical group
Dr. Johnson's primary practice is Lexington Health Inc in Ridgeway, South Carolina. Dr. Johnson is also affiliated with Lexington Medical Center. The medical group on file is Lexington Orthopaedics and Sports Medicine. Dmand AI also links Dr. Johnson to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Crystal Y. 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 |
|---|---|
| Lexington Health Inc | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Crystal Y. Johnson is one of 648 OB-GYNs in South Carolina
Obstetrics and gynecology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Johnson is licensed in South Carolina.
Specialties and state licenses
- Obstetrics and gynecology, South CarolinaPrimary
OB-GYNs near Dr. Johnson
Counts of OB-GYNs 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. Crystal Y. Johnson billed Medicare for 532 services in 2024
CMS data shows 532 Medicare services from Dr. Johnson across 5 procedure codes in 2024, for 284 Medicare patients. Medicare paid $28,113 for them. Every service was in an office.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3202024: 48150%
- Office and hospital visits
- 2023: 392024: 3121%
- Other services
- 2023: 272024: 2026%
Dr. Johnson compared with the South Carolina median for OB-GYNs, 2024
- Dr. Johnson
- South Carolina median
- Medicare services
- 532vs 638.4 times
- Medicare patients
- 284vs 525.5 times
- Part D claims
- 16vs 4867% below
Medians across 589 OB-GYNs in South Carolina with Dmand AI profiles that report each measure.
Dr. Johnson'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. Johnson and other OB-GYNs in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Crystal Y. Johnson treated 284 Medicare patients in 2024, average age 70
CMS counts 284 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 208 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.68, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 42, with 99% women.
Dr. Johnson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis42%
- Diabetes30%
- Mood disorders21%
- Depression19%
- Anxiety18%
- Chronic kidney disease16%
Share of Medicare patients with each condition. A patient can have several.
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 42
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Crystal Y. Johnson wrote 45 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 45 Medicare Part D claims for 27 patients. 87% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $878 in total drug cost. In 2023, CMS named 34 claims across 2 drugs.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic39 claims87%
- Brand-name and other6 claims13%
Dr. Johnson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 342024: 1653%
Drugs named by CMS: 1 in 2024, 2 in 2023.
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
Dr. Crystal Y. Johnson scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Johnson for performance year 2024, reported as part of a group. Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Johnson's MIPS scores, performance year 2024
- 84of 100Final score
- 68.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Crystal Y. Johnson received $2,787 in industry payments from 2016 to 2025
CMS Open Payments shows 142 general payments to Dr. Johnson from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Abbvie Inc. paid the most, $387.
General payments to Dr. Johnson by program year, 2016 to 2025
General payments to Dr. Johnson by kind, 2016 to 2025
- Food and beverage$2,68396%
- Education$1044%
Companies that paid Dr. Johnson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Crystal Y. Johnson graduated from University of South Carolina School of Medicine
Dr. Johnson graduated from University of South Carolina School of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Crystal Y. 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Crystal Y. 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. Crystal Y. Johnson's NPI number?
Dr. Crystal Y. Johnson's NPI number is 1407804826. It was assigned on May 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Crystal Y. Johnson?
Dr. Crystal Y. Johnson is an OB-GYN in Ridgeway, South Carolina. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Crystal Y. Johnson practice?
Dr. Johnson practices at 3000 Longtown Rd, Ridgeway, SC 29130. Dr. Johnson's primary practice is Lexington Health Inc in Ridgeway, South Carolina. Dmand AI also links Dr. Johnson to 1 group practice or clinic.
What is Dr. Crystal Y. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (803) 314-0550.
What is Dr. Crystal Y. Johnson's medical license number?
Dr. Johnson holds South Carolina license 27811.
Which hospitals is Dr. Crystal Y. Johnson affiliated with?
Dr. Johnson is affiliated with Lexington Medical Center.
What medical group is Dr. Crystal Y. Johnson part of?
Dr. Johnson is linked to Lexington Orthopaedics and Sports Medicine.
Does Dr. Crystal Y. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 532 services in 2024, and Dr. Johnson accepts Medicare assignment.
What is Dr. Crystal Y. Johnson's MIPS score?
Dr. Johnson's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Crystal Y. Johnson see?
CMS counts 284 Medicare patients who saw Dr. Johnson in 2024, with an average age of 70.
Show 5 more questionsShow fewer questions
What services does Dr. Crystal Y. Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were radiation oncology (77067), radiation oncology (77063) and medicare service (G0101).
Where did Dr. Crystal Y. Johnson go to medical school?
Dr. Johnson graduated from University of South Carolina School of Medicine in 2001.
What drugs does Dr. Crystal Y. Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Valacyclovir.
Has Dr. Crystal Y. Johnson received payments from drug or device companies?
CMS Open Payments shows $2,787 in general payments to Dr. Johnson from 35 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Crystal Y. Johnson been practicing?
Dr. Johnson graduated from medical school in 2001, 25 years ago.
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