Doctor profile · Federal record
Dr. John Messmer, MD
Family Medicine Physician (CMS: Family Practice) · Palmyra, PA
- NPI 1669437414
- Accepts Medicare
- MIPS 71.8 / 100 · 2023
- 49 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
941 Park Dr
Palmyra, PA 170783445
(800) 233-4082 - Mailing address
-
Po Box 854, Mc A410
Hershey, PA 170330854
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- November 16, 2009
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Pennsylvania #MD020821E
- Medicaid
- PA #0010533300007
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669437414. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
288
Distinct HCPCS
3
Medicare allowed
$25,692
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 205 | 125 | $94 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 69 | 61 | $64 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 14 | 12 | $140 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 109. This provider delivers 2.6× the peer median.Open Payments
Industry payments received
All-time total
$147
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Eisai Inc. | 1 | $94.46 | |
| Paratek Pharmaceuticals, Inc. | 1 | $52.16 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,513
Patients
597
Total drug cost
$118,214
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 234 | 59 | $1,163 |
| Levothyroxine Sodium | Generic | 234 | 43 | $3,022 |
| Metoprolol Succinate | Generic | 229 | 52 | $5,921 |
| Atorvastatin Calcium | Generic | 221 | 58 | $3,039 |
| Simvastatin | Generic | 204 | 52 | $2,309 |
| Losartan Potassium | Generic | 188 | 44 | $2,600 |
| Omeprazole | Generic | 167 | 46 | $2,036 |
| Pravastatin Sodium | Generic | 158 | 42 | $2,572 |
| Gabapentin | Generic | 143 | 20 | $2,035 |
| Eliquis (Apixaban) | Brand | 136 | 22 | $84,763 |
Hospital affiliations
Frequently asked questions
What is Dr. John Messmer's medical specialty?
Dr. John Messmer practices Family Medicine Physician in Palmyra, PA.
Where does Dr. John Messmer practice?
Dr. John Messmer practices at 941 Park Dr, Palmyra, PA 170783445. Office phone: 8002334082.
What is Dr. John Messmer's NPI?
Dr. John Messmer's National Provider Identifier (NPI) is 1669437414, issued by NPPES.
Does Dr. John Messmer accept Medicare assignment?
Yes. Dr. John Messmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Messmer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.