Donald John Lang, NPC
- Medicare services, 2024
- 217
- Medicare patients, 2024
- 125
- Part D claims, 2024
- 61
- MIPS score, 2024
- 97
- Hospital affiliations
- 4
- Practice address
- 115 Mall Drive, Hanford, CA 93230
- Practice phone
- Call (559) 582-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Donald John Lang is a psychiatric/mental health nurse practitioner in Hanford, California
Donald Lang practices at Adventist Health Hanford in Hanford, California, part of Adventist Health.
Donald Lang's NPI, 1801236625, was assigned on June 25, 2013. Donald Lang holds California license 95002713.
- NPI
- 1801236625NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123338589
- NPI enumeration date
- June 25, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (559) 582-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Donald John Lang practices at Adventist Health Hanford in Hanford, California
Donald Lang's primary practice is Adventist Health Hanford, at 115 Mall Drive, Hanford, CA 93230 in Kings County. The practice phone is (559) 582-9000.
- Adventist Health Hanford115 Mall Drive, Hanford, CA 93230 · Kings CountyPhone(559) 582-9000
Source: Dmand AI Affiliation Data
Donald John Lang is affiliated with 4 sites of care and 4 medical groups
Donald Lang's primary practice is Adventist Health Hanford in Hanford, California, part of Adventist Health. Donald Lang is also affiliated with Community Regional Medical Center. The medical group on file is Vituity. Dmand AI also links Donald Lang to 2 more hospitals and 3 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 Donald John Lang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Donald Lang practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Hanford | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Donald John Lang is one of 3,099 psychiatric/mental health nurse practitioners in California
Psychiatric/mental health is Donald Lang's primary specialty in the NPI Registry, under taxonomy code 363LP0808X. Donald Lang is licensed in California.
Specialties and state licenses
- Psychiatric/mental health nurse practitioner, CaliforniaPrimary
Clinical focus
Dmand AI lists alcohol use disorders, non-alzheimer's dementia (chronic) and schizophrenia among the conditions Donald Lang treats.
Psychiatric/mental health nurse practitioners near Donald Lang
Counts of psychiatric/mental health nurse practitioners 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
Donald John Lang billed Medicare for 217 services in 2024
CMS data shows 217 Medicare services from Donald Lang across 6 procedure codes in 2024, for 125 Medicare patients. Medicare paid $18,829 for them. Every service was in a facility, such as a hospital, rather than an office.
Donald Lang compared with the California median for psychiatric/mental health nurse practitioners, 2024
- Donald Lang
- California median
- Medicare services
- 217vs 2368% below
- Medicare patients
- 125vs 432.9 times
Medians across 959 psychiatric/mental health nurse practitioners in California with Dmand AI profiles that report each measure.
Donald Lang'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.
Need commercial claims for Donald Lang?
Medicare shows one payer. Book a meeting to get commercial claims data for Donald Lang and other psychiatric/mental health nurse practitioners in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Donald John Lang treated 125 Medicare patients in 2024, average age 68
CMS counts 125 Medicare patients who saw Donald Lang in 2024. The largest group is 65 to 74, with 46 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 76% are also on Medicaid. Their average risk score is 2.48, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Donald Lang's median patient age at 34, with 58% women.
Donald Lang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Donald Lang's Medicare patients by sex, 2024
- Women7358%
- Men5242%
Chronic conditions among Donald Lang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Anxiety63%
- Mood disorders57%
- Depression52%
- Diabetes50%
- Arthritis49%
- Chronic kidney disease44%
Share of Medicare patients with each condition. A patient can have several.
Donald Lang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 34
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Donald John Lang wrote 61 Medicare Part D claims in 2024
In 2024, Donald Lang wrote 61 Medicare Part D claims for 43 patients. 95% of them were for generic drugs.
Donald Lang's Part D claims by kind of drug, 2024
- Generic58 claims95%
- Brand-name and other3 claims5%
Drug classes CMS tracks in Donald Lang's Part D claims, 2024
- Antibiotics51%31 of 61 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
Donald John Lang scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Donald Lang for performance year 2024, reported as part of a group. Donald Lang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Donald Lang's MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 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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Donald John Lang received $22 in industry payments in 2024
CMS Open Payments shows 1 general payment to Donald Lang from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $22.
Companies that paid Donald Lang the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Donald John Lang'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 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)Clinician Public Reporting: Overall MIPS Performance (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 Donald John Lang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Donald John Lang's NPI number?
Donald John Lang's NPI number is 1801236625. It was assigned on June 25, 2013, and it is active in the NPI Registry.
What does Donald John Lang specialize in?
Donald John Lang is a psychiatric/mental health nurse practitioner in Hanford, California. The primary specialty in the NPI Registry is Psychiatric/Mental Health Nurse Practitioner (taxonomy code 363LP0808X).
Where does Donald John Lang practice?
Donald Lang practices at 115 Mall Drive, Hanford, CA 93230. Donald Lang's primary practice is Adventist Health Hanford in Hanford, California, part of Adventist Health. Dmand AI also links Donald Lang to 2 hospitals and 3 medical groups.
What is Donald John Lang's office phone number?
The practice phone on file for Donald Lang is (559) 582-9000.
What is Donald John Lang's medical license number?
Donald Lang holds California license 95002713.
Which hospitals is Donald John Lang affiliated with?
Donald Lang practices at Adventist Health Hanford in Hanford, California. Donald Lang is also affiliated with Community Regional Medical Center. Dmand AI links Donald Lang to 2 more hospitals.
What medical group is Donald John Lang part of?
Donald Lang is linked to Vituity. Dmand AI links Donald Lang to 3 more medical groups.
Does Donald John Lang accept Medicare?
Yes. CMS data shows Donald Lang billed Medicare for 217 services in 2024, and Donald Lang accepts Medicare assignment.
What is Donald John Lang's MIPS score?
Donald Lang's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Donald John Lang see?
CMS counts 125 Medicare patients who saw Donald Lang in 2024, with an average age of 68.
Show 3 more questionsShow fewer questions
What services does Donald John Lang bill to Medicare?
In 2024, Donald Lang's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99233).
Has Donald John Lang received payments from drug or device companies?
CMS Open Payments shows $22 in general payments to Donald Lang from 1 company from 2024 to 2024. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Donald John Lang been practicing?
Donald Lang graduated from medical school in 2015, 11 years ago.
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