Theresa McClain, D.O.
Obstetrics & Gynecology Physician · Allentown, PA
Theresa McClain, D.O. is an obstetrics & gynecology physician with a practice address in Allentown, Pennsylvania, and NPI 1235573916, issued on Apr 24, 2013. Check the license (Pennsylvania OS018924, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Theresa McClain
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- OS018924 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1611 Pond RD Ste 300, Allentown, PA 18104
- Phone
- (610) 398-7700
- Enumerated
- Apr 24, 2013
- Record last updated
- Jan 13, 2026
- Fax
- (610) 398-3917
- Medicare enrollment
- Enrolled (PECOS I20171106000062); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,974 in Pennsylvania → Look up another NPI →
Also registered at 1611 Pond RD Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexis Achey Lewis, DOObstetrics & Gynecology Physician1306467089
- Riley Cann, WHNP/CNMAdvanced Practice Midwife1871336958
- Kayla Dobson, MDObstetrics & Gynecology Physician1912522392
- Cara Greene, CRNPWomen's Health Nurse Practitioner1851015630
- Rebecca Langley, CNMMidwife1578064473
- Kaitlyn Lawrence, PA-CMedical Physician Assistant1801437991
Verify Theresa McClain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS018924Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
105 Medicare Part D claims for 35 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Estradiol14 claims
- Fluconazole14 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 71.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,106.21
6 payments; by number, the most common kind was food and beverage; the largest payer was Applied Medical Resources Corporation. The 21,429 providers of this specialty with any payment received $1,030.61 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
- St Joseph Medical GroupReading, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theresa McClain among 1,974 obstetrics & gynecology physician records in Pennsylvania
Theresa McClain, D.O. is one of 1,974 obstetrics & gynecology physician records with a practice address in Pennsylvania. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 66% of them.
- NPI issued2013 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2013 · median 2007 among the 1,176 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
98 obstetrics & gynecology physician records list a practice address in Allentown
They are 98 of the 5,904 NPPES records with a practice address in Allentown, and 1,974 obstetrics & gynecology physician records in Pennsylvania.
All 1,974 in Pennsylvania → Every provider in Allentown → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Lisa Baker-Vaughn, MDAllentown, PA 181041073627774
- Alexandria George, DOAllentown, PA 181041417995788
- Tirun Gopal, MDAllentown, PA 181041891722211
- Mary Greiss-Coult, D.O.Allentown, PA 181041811006646
- Earl Jefferis, MDAllentown, PA 181041568576288
- Kailash Makhija, MDAllentown, PA 181041972579076
- Annmarie McDermott, M.D.Allentown, PA 181041821090218
- Thuy Ngo, M.D.Allentown, PA 181041467431023
Common questions
What is Theresa McClain, D.O.'s NPI number?
Theresa McClain, D.O.'s National Provider Identifier (NPI) is 1235573916, issued on Apr 24, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Theresa McClain, D.O. located?
The NPPES record lists a practice address at 1611 Pond RD Ste 300, Allentown, PA, 18104. Phone: (610) 398-7700. Providers update this record themselves, so call before visiting.
How can I verify Theresa McClain, D.O.'s license?
NPPES lists Pennsylvania license number OS018924, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Theresa McClain, D.O. prescribe under Medicare Part D?
In 2024, Theresa McClain, D.O. had 105 Medicare Part D claims for 35 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Theresa McClain, D.O.'s MIPS final score?
The 2023 MIPS final score is 71.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.